PMC This is done by a series of chemical reactions in which toluene reacts with chlorine. The position of the functional group in the carbon chain also affects solubility. His experiments focused on elucidating the nature of amygdalin, the poisonous material found in bitter almonds, the fruit of Prunus dulcis. It appears as off-white crystals, with a light camphor-like odor.Benzoin is synthesized from benzaldehyde in the benzoin condensation.It is chiral and it exists as a pair of enantiomers: (R)-benzoin and (S)-benzoin. It also finds usage in several other items. Chemical Reactions - Description, Concepts, Types, Examples and FAQs, Annealing - Explanation, Types, Simulation and FAQs, Classification of Drugs Based on Pharmacological Effect, Drug Action, Uses of Rayon - Meaning, Properties, Sources, and FAQs, Reverberatory Furnace - History, Construction, Operation, Advantages and Disadvantages, 118 Elements and Their Symbols and Atomic Numbers, Nomenclature of Elements with Atomic Number above 100, Find Best Teacher for Online Tuition on Vedantu. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Carbonyl compounds are easily dissolved in strong sulfuric acid as 1) a reaction may take place, introducing -SO3H group to position 3 of aromatic ring of respective carbonyl compound; and 2) a strong acid can form hydrogen bonds with carbonyl oxygen. St James Produces > General > benzaldehyde solubility in diethyl ether. The hydrogenation of benzaldehyde produced benzyl alcohol. Pharapreising and interpretation due to major educational standards released by a particular educational institution as well as tailored to your educational institution if different; The most commonly used organic solvents for Grignard reactions are diethyl ether (Et 2 O) and THF; in fact, a number of Grignard reagents in both of these solvents are commercially available. Vanillin was reported to be readily soluble in alcohol (ethanol). Benzaldehyde | C6H5CHO - PubChem C; 67.45 g/100 ml water @ 100 deg. Accessibility Formaldehyde is soluble in water, ethanol and diethyl ether and is used in solution or in polymerized form (paraformaldehyde). It is the simplest aromatic aldehyde and one of the most industrially useful. It has a melting point of 26 C (14.8 F) and a boiling point of 179 C (354.2 F). However it may spontaneously decompose in it due to presence of catalytic impurities. Benzoin (/ b n z o. Find more information on this substance at: CHEMM (Chemical Hazards Emergency Medical Management), REMM (Radiation Emergency Medical Management), Agency for Toxic Substances and Disease Registry (ATSDR) website, DHS's Hazardous Materials Release website, The National Library of Medicine Data Distribution, https://support.nlm.nih.gov/support/create-case. 366 APPENDICES Phenomenex SOLVENT MISCIBILITY TABLE Solvent Polarity Chart Relative Compound Group Representative Solvent Polarity Formula Compounds Letter of recommendation contains wrong name of journal, how will this hurt my application? [9], As of 1999, 7000 tonnes of synthetic and 100 tonnes of natural benzaldehyde were produced annually. It may irritate ones nose and/or throat, eventually leading to coughing, shortness of breath, etc. Due to having a large hydrcarbon part (which is hydrophobic), it is understandable that aromatic acids won't dissolve in water. PDF ommon Solents and onsolents o Polystyrene These results coincided with "like dissolves in like". It is generally stable when stored under ordinary conditions. 1964 Sep;16:632-3. doi: 10.1111/j.2042-7158.1964.tb07524.x. Hp 24'' Touch Screen All-in-one - Intel Core I3, Would Marx consider salary workers to be members of the proleteriat? The benzal chloride is then further treated with water. PVP-Iodine (CAS # 25655-41-8) is reddish to a brown free-flowing highly soluble fine powder. Polymer Handbook . | AnswersDrive benzaldehyde - chemister.ru Benzyl Alcohol, CAS No. OneClass: Diethyl ether can be made from ethanol. C 2 H 5 OC 2 H 5 + 6O 2 4CO 2 + 5H 2 O; Halogenation - Ether reacts with halogens like chlorine or bromine forming halo substituted ether undergoes substitution reaction in the absence of sunlight. A water insoluble organic base can be protonated by reaction with an acidic solution and can thus move from the ether layer into the aqueous layer in a separatory funnel. Branching lowers intermolecular forces and decreases intermolecular attraction. This led to the establishment of the structural theory of organic chemistry. Give reasons. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. The .gov means its official. Reaction of benzaldehyde with anhydrous sodium acetate and acetic anhydride yields cinnamic acid, while alcoholic potassium cyanide can be used to catalyze the condensation of benzaldehyde to benzoin. official website and that any information you provide is encrypted How to see the number of layers currently selected in QGIS, An adverb which means "doing without understanding", Background checks for UK/US government research jobs, and mental health difficulties. [8] In 1832, Friedrich Whler and Justus von Liebig first synthesized benzaldehyde. Ethyl alcohol is soluble in water whereas diethyl ether is insoluble Boiling Point Mutual solubility in the system uranyl chloride--water--diethyl ether Articles of Benzaldehyde are included as well. Difference Between Ethanol and Dimethyl Ether For more details on polymers solubility, please have a look at the attached files. finely crafted wedding films. It is a precursor to various chemical additives, plastics, and pharmaceutical products. requirements? 5. Bike Rack For Fiat Ducato Motorhome, Copyright 2022 | Powered by www.graphicrich.com |, 715 n graham st, charlotte, nc 28202 07823145, Difference Between Ethanol and Dimethyl Ether, Diethyl Ether (C2H5)2O - Structure, Synthesis, Properties and Uses - BYJUS, Is diethyl ether more soluble than butanol? Choose skilled expert on your subject and get original paper with free plagiarism Moved Permanently. The general rule used in determining whether a solute is soluble or insoluble in a given solvent is like dissolves like where nonpolar solutes dissolve in nonpolar solvents; polar solutes dissolve in polar solvents or chemical reactions may occur between the solvent and the solute causing dissolution. What is the purpose of a theory or a model? As a result of the resonance, the polarity of the carbonyl group is reduced in benzaldehyde, thereby making it less reactive than propanol generally tends to be. Modify the units used to display protective distances. Many of the carboxylic . [ 1] Enantioselective 1-phenyl-1-propanol by asymmetric addition of diethylzinc in the presence of fenchone-based derivatives as catalysts. J Pharm Sci. k / is a white (or colorless) solid organic compound with the formula C 6 H 5 COOH, whose structure consists of a benzene ring (C 6 H 6) with a carboxyl (C(=O)OH) substituent.It is the simplest aromatic carboxylic acid. HHS Vulnerability Disclosure, Help Repeated exposure can lead to a skin rash. - MassInitiative Dispersion Properties: See solubility in water, diethyl ether. Was benzaldehyde soluble in water? Naoh solubility in acetone - ugofk.hotelfurniture.shop The Octanol/ Water partition coefficient was . - TeachersCollegesj, Ethyl alcohol is soluble in water whereas diethyl ether is insoluble, Mutual solubility in the system uranyl chloride--water--diethyl ether, Fluorenone: Structure, Solubility & Polarity | Study.com, Grignard Reactions in Cyclopentyl Methyl Ether - Kobayashi - 2016, 70 questions with answers in DIETHYL ETHER | Science topic, OCHEM Final PostLab Questions Flashcards | Quizlet, How Is Benzaldehyde used? Benzaldehyde | C6H5CHO - PubChem National Library of Medicine National Center for Biotechnology Information About Posts Submit Contact Search PubChem Apologies, we are having some trouble retrieving data from our servers. Lorem ipsum dolor sit am, View answer & additonal benefits from the subscription, Explore recently answered questions from the same subject, Test your understanding with interactive textbook solutions, Fundamentals of General, Organic, and Biological Chemistry, Chemistry: An Introduction to General, Organic, and Biological Chemistry, Organic Chemistry with Biological Applications, Introduction to General, Organic and Biochemistry, Macroscale and Microscale Organic Experiments, Explore recently asked questions from the same subject. Their solubility . nrl fantasy stats 2021 / papanasam tourist places / is benzaldehyde soluble in hcl. Is diethyl ether soluble polar? It is also referred to as several other names, including benzenedicarboxaldehyde, phenylmethanal, or benzoic aldehyde. Benzyl Alcohol IP/BP & USP - Malhotra Organic Chemicals Availability Benzaldehyde is difficult to acquire in some countries, due to its use in the manufacturing of illegal amphetamine-class drugs. Alkaline hydrolysis of benzal chloride also yields benzaldehyde. solubility data very closely and the be used to investigate factors affecting hydrocarbon solubility in physical solvents. [17], Except where otherwise noted, data are given for materials in their, Scott, Howard R. and Scott, Lillian E. (1920), In 1803 C. Martrs published a manuscript on the oil of bitter almonds: "Recherches sur la nature et le sige de l'amertume et de l'odeur des amandes amres" (Research on the nature and location of the bitterness and the smell of bitter almonds). match. 4-Hydroxybenzaldehyde | C7H6O2 - PubChem compound Summary 4-Hydroxybenzaldehyde Cite Download Contents 1 Structures 2 Names and Identifiers 3 Chemical and Physical Properties 4 Spectral Information 5 Related Records 6 Chemical Vendors 7 Drug and Medication Information 8 Food Additives and Ingredients 9 Pharmacology and Biochemistry Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward, Search Textbook questions, tutors and Books, Change your search query and then try again, a) Benzaldehyde is slightly soluble in water because Benzaldehyde is made up of benzene ring and ald. You may use it as a guide or sample for Caffeine is also water soluble ,. When benzaldehyde is exposed to air at room temperature, it readily undergoes the process of antioxidation and the end product is benzoic acid. Benzaldehyde contributes to the scent of oyster mushrooms (Pleurotus ostreatus).[15]. It is a colorless liquid with a characteristic almond-like odor. J Pharm Pharmacol. This organic chemical compound has several industrial applications, including dyes, flavouring agents, perfumes and the manufacturing of several other organic compounds. The carbon atom of the carbonyl group present in propanol is more electrophilic than the one of the carbonyl group present in benzaldehyde. Registered address: Louki Akrita, 23 Bellapais Court, Flat/Office 46 1100, Nicosia, Cyprus Solubility is the amount of a substance that will dissolve in a given amount of another substance and is typically expressed as the number of parts by weight dissolved by 100 parts of solvent at a specified temperature and pressure or as percent by weight or by volume. J Pharm Pharmacol. Ethanol vs Dimethyl Ether: Ethanol is an alcohol having the chemical formula C 2 H 5 OH. Student review 100% (1 rating) Related Answered Questions Explore recently answered questions from the same subject 1) Aromatic acids like benzoic acid and salicylic acid are NOT soluble in water. (A) cyclohexene (B) 2-pentene (C) diethyl ether (D) triethylamine (E) benzaldehyde Which of the following reagents that can react This problem has been solved! Soluble in liquid ammonia Solubility of water in benzaldehyde at 20 deg C, wt%: 1.5 Vapor Density: 3.66 (Air = 1) Vapor Pressure: a. Ethers and Epoxides Nonpolar compounds are generally more soluble in diethyl ether than in alcohols such as ethanol because ethers do not have a hydrogen bonding network that would have to be broken up to dissolve the solute. Why is benzophenone only partially soluble in hexane? and transmitted securely. J Pharm Pharmacol. (The scheme above depicts only one of the two formed enantiomers). nonpolar molecule; therefore, benzophenone can only be partially soluble in hexane. benzaldehyde solubility in diethyl ether. assume youre on board with our, Observation on Chimpanzees and Human Behavior, https://graduateway.com/solubility-behavior-of-organic-compounds/. Benzoic acid / b n z o. Due to having a large hydrcarbon part (which is hydrophobic), it is understandable that aromatic acids won't dissolve in water. us: [emailprotected]. - MassInitiative, benzaldehyde solubility in hexane - Canine Capers, Dipole moment diethyl ether - Big Chemical Encyclopedia, Benzaldehyde-derived chloroformates and their application towards the, Vanillin: Physiochemical Properties, Production and Uses, Lithium alumnium hydride-LiAlH4-Reduction-Mechanism-examples, Naoh solubility in acetone - ugofk.hotelfurniture.shop, OneClass: Diethyl ether can be made from ethanol. In extreme cases where the exposure is too much, getting a seizure or passing out is also a possible scenario. phenol diethylamine diethylether methanamine ethan-1.2-diol Question 39 (4 points) 39. (1985), United States Environmental Protection Agency, "Untersuchungen ber das Radikal der Benzoesure", "The benzaldehyde oxidation paradox explained by the interception of peroxy radical by benzyl alcohol", "An exploration into "do-it-yourself" (DIY) e-liquid mixing: Users' motivations, practices and product laboratory analysis", "Health and Environmental Effects Profile for Benzaldehyde", SIDS Initial Assessment Report for benzaldehyde, Organisation for Economic Co-operation and Development, Benzaldehyde description at ChemicalLand21.com, https://en.wikipedia.org/w/index.php?title=Benzaldehyde&oldid=1132218711, This page was last edited on 7 January 2023, at 20:54. J Pharm Sci. It is the simplest aromatic aldehyde and one of the most industrially useful. One important property that organic compounds exhibit is that their structure is related to their solubility. O2-pentene O diethylether Otriethylamine benzaldehyde O cyclohexene ; Question: 38. Benzaldehyde is considered to be an aromatic aldehyde. Before Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. The molecular weight of Benzaldehyde is 106.12 g/mol. Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Why exception is noted in the solubility of lead salts? +212 522 539248 / +212 661 793305 . It is sometimes used in cosmetics products.[17]. PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA So with good stirring, proper stoichiometry, and plenty of time, it should be easy to produce using anything from household bleach ( sodium hypochlorite solution) to potassium permanganate. This yields benzaldehyde and hydrogen cyanide (HCN). Chemical Properties of Diethyl Ether - (C 2 H 5) 2 O. Here are some of its key purposes: Industrially, it tends to serve as an intermediate for the production of various organic compounds. benzophenone is nonpolar, which is right for "likes dissolve likes", makes it soluble in hexane. Fr (FR); durham college cooking classes light and leisure locations The rate enhancement of the Diels-Alder reaction in LP-NM has been attributed to the high dipole moment of nitromethane (3.40 D) in comparison with diethyl ether (1.33 D). Diethyl ether - Ether, Ethyl ether - Sigma-Aldrich Molecular Weight 74.12. Benzyl Alcohol is useful as a solvent and as a local anesthetic in the medical field. Because of this fact, the maximum solubility xS of hexanal, benzaldehyde, 2-furfural, 2-phenylethanol, phenylethanal, and -nonalactone in water has been measured at different temperatures. Omissions? Careers. benzaldehyde (C6H5CHO), the simplest representative of the aromatic aldehydes, occurring naturally as the glycoside amygdalin. PDF documents can be viewed with the free Adobe Reader. Exposure to benzaldehyde might make one feel lightheaded or dizzy. This glycoside breaks up under enzyme catalysis into benzaldehyde, hydrogen cyanide and two equivalents of glucose. Benzaldehyde undergoes disproportionation upon treatment with concentrated alkali (Cannizzaro reaction): one molecule of the aldehyde is reduced to the benzyl alcohol and another molecule is simultaneously oxidized to benzoic acid. It is an intermediary product in the formation of compounds like cinnamic acid, benzoic acid, etc. This organic acids become soluble in base as a . Cyclohexane is nonpolar, and methanol and ethanol are polar molecules so they will not dissolve in it. [11], A significant quantity of natural benzaldehyde is produced from cinnamaldehyde obtained from cassia oil by the retro-aldol reaction:[10] the cinnamaldehyde is heated in an aqueous/alcoholic solution between 90C and 150C with a base (most commonly sodium carbonate or bicarbonate) for 5 to 80 hours,[12] followed by distillation of the formed benzaldehyde. Benzaldehyde can also be synthesised by the oxidation of benzyl alcohol and carbonylation of benzene. the solubility of benzaldehyde in water as determined by refractive index measurements j pharm pharmacol. Acetophenone is soluble in diethyl ether, isopropanol, and nhexane. Adapted from: Brandrup, J., and E.H. Immergut, eds. 1. Are triglycerides soluble in polar solvents? The antiproliferative activity of 18 platinum complexes (1, 5, and 10 microM) differing in solubility, type of the platinum fragment, and the corresponding tetraarylporphyrin ligands were studied on TCC-SUP transitional bladder cancer cells in the dark and after irradiation (lambda = 600-730 nm; 24 J/cm(2)). The synthesis of mandelic acid starts with the addition of hydrocyanic acid to benzaldehyde: The resulting cyanohydrin is hydrolysed to mandelic acid. The site is secure. Graduateway.com is owned and operated by Radioplus Experts Ltd Benzaldehyde Benzaldehyde decomposes at temperatures above 500C with the formation of CO and benzene in a reaction, as shown below: (10.1.26) At higher temperatures, besides CO and benzene, small amounts of H 2, biphenyl, and char are generated. The isolation of benzaldehyde from bitter almonds goes back to 1803 and is credited to a French pharmacist Martrs. writing your own paper, but remember to It can also undergo an oxidation reaction to yield benzoic acid. With diols, including many sugars, benzaldehyde condenses to form benzylidene acetals. It is also referred to as several other names, including benzenedicarboxaldehyde, phenylmethanal, or benzoic aldehyde. The bees then move away from the honey combs to avoid the fumes. Clipboard, Search History, and several other advanced features are temporarily unavailable. The name is derived from gum benzoin, which was for a long time its only source.. Benzoic acid occurs naturally in many plants and serves . benzaldehyde | chemical compound | Britannica It's not as soluble as shorter chain alcohols such as methanol. It is only slightly soluble in water but is freely soluble in ethanol ( ethyl alcohol ), diethyl ether, and chloroform. https://www.britannica.com/science/benzaldehyde. C SECTION 10: STABILITY AND REACTIVITY DATA Vanillin: Physiochemical Properties, Production and Uses Naphthalene 4. c. Is it possible for a molecule to be able to hydrogen bond to water, but not be water soluble? Using the job characteristics model, discuss how a manager can enlarge. cite it correctly. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 1. It should be kept away from reactive substances such as acids and reducing agents. b. Benzaldehyde is also used in additives like antibacterial and antifungal preservatives. Is diethyl ether soluble in water? Browse Diethyl ether and related products at MilliporeSigma. Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent. [22] Benzaldehyde does not accumulate in human tissues. This formyl unit has one atom of carbon, hydrogen, and oxygen. How is benzaldehyde produced naturally? OCHEM Final PostLab Questions Flashcards | Quizlet Benzaldehyde is insoluble in water and soluble in liquid ammonia. It can also be manufactured synthetically from toluene which is found in crude oil, for industrial usage. OXIDATION OF BENZALDEHYDE IN SOME MULTIPHASE BETAINE-BENZALDEHYDE-WATER SYSTEMS. OXIDATION OF ALDEHYDES SOLUBILIZED IN NONIONIC SURFACTANTS. It was later studied by the German chemists Justus von Liebig and Friedrich Whler, who first synthesised it successfully in the 1830s. One of the most common uses of benzaldehyde is associated with food as it helps to bring the flavour and/or the scent of almonds in various foods, especially in cakes and other baked goods, and in beverages as well, at times. This is mainly because benzaldehyde is a compound that has an aromatic character, whereas, in the case of propanol, it has an aliphatic character. The flavouring and fragrance of benzaldehyde are the reason for its widespread use in several industries. There is no chemical distinction between these two types of benzaldehyde. It is also recommended to store this compound under nitrogen. Would you like email updates of new search results? But they are soluble in highly concentrated H2SO4. Dimethyl ether is an ether. Bethesda, MD 20894, Web Policies The .gov means its official. The values in the table below except as noted have been extracted from online and hardbound compilations . It is a hydroxy ketone attached to two phenyl groups. It undergoes simultaneous oxidation and reduction with alcoholic potassium hydroxide (a Cannizzaro reaction), giving potassium benzoate and benzyl alcohol; with alcoholic potassium cyanide, it is converted to benzoin; with anhydrous sodium acetate and acetic anhydride, it gives cinnamic acid. Uses. Lithium alumnium hydride-LiAlH4-Reduction-Mechanism-examples benzaldehyde solubility It has a melting point of 26 C (14.8 F) and a boiling point of 179 C (354.2 F). Found naturally in glycoside amygdalin, this aromatic aldehyde is known for its distinct, almond oil-like taste and odour. This simple aromatic aldehyde can be derived from a variety of natural sources. Why does removing 'const' on line 12 of this program stop the class from being instantiated? Its carbonyl group is an electron-withdrawing group. The reaction If pH-value was too low, the dimethylamino group would be protonated as well, making the product (P) much more water soluble. Donec aliquet. J Pharm Pharmacol. Benzyl Alcohol. It is also found in a plant known as Chinese cassica. An official website of the United States government. Corrections? Benzaldehyde is also a precursor to certain acridine dyes. Benzaldehyde is also used in the production of dyes (acridine and aniline dyes), soaps, and perfumes. But why would they dissolve in base solvents. The primary component of bitter almond oil, benzaldehyde can be extracted from a number of other natural sources. n / or /- n /) is an organic compound with the formula PhCH(OH)C(O)Ph. Amygdalin can be broken down with the enzyme emulsion. PDF SOLVENT MISCIBILITY TABLE - Erowid Solubility - Sciencemadness Wiki Benzaldehyde is a colourless liquid with an odour of almond oil. Retrieved from https://graduateway.com/solubility-behavior-of-organic-compounds/, The Separation and Purification of Organic Compounds, Aromatic Compounds in Health and Medicine, Description of Nitrogen and Its Compounds. The industrial usage of benzaldehyde is that it acts as an intermediate in the production of several organic compounds. Coming into contact can also cause itchiness in the eyes. Why did it take so long for Europeans to adopt the moldboard plow? Unable to load your collection due to an error, Unable to load your delegates due to an error. bloomfield volleyball schedule; billy turner obituary; coach station near amsterdam; royal filipino cocktail recipe; why did darby conley stop writing get fuzzy. Ans: Yes. solubility results for benzaldehyde. In antibacterial preservatives, it is utilised as an additive. The boiling point of benzaldehyde is 179 C (354.2 F). Copyright 2022 service.graduateway.com. Is Benzaldehyde Soluble In Acetonitrile? Unable to load your collection due to an error, Unable to load your delegates due to an error. [7] Further work on the oil by Pierre Robiquet and Antoine Boutron Charlard, two French chemists, produced benzaldehyde. This essay was written by a fellow student. report, Solubility Behavior of Organic Compounds. Would you like email updates of new search results? the solubility of benzaldehyde in water as determined by refractive index measurements. What applications PVP-Iodine 30/06 used? (2016, Oct 15). The simplest aromatic aldehyde, which consists of a benzene ring with a formyl (-CHO) substituent, is termed benzaldehyde (C. CHO). It is also sometimes used as an electronic cigarette flavorant. Books in which disembodied brains in blue fluid try to enslave humanity, Two parallel diagonal lines on a Schengen passport stamp. But they are soluble in 5% NaOH, and 5% NaHCO3. It is also used as a vital ingredient when it comes to the production of soaps, dyes, perfumes, and even certain cosmetic products. In diethyl ether, non-polar compounds are usually more soluble than alcohols because ethers do not have a hydrogen bonding network that needs to be broken up to dissolve the solute. The reaction between benzaldehyde, anhydrous sodium acetate and acetic anhydride yields a compound called cinnamic acid. 1963 Aug;15:507-17. doi: 10.1111/j.2042-7158.1963.tb12826.x. 6. It is used as a solvent for oils, resins, ethers, etc. 3 October 2022 benzaldehyde solubility in diethyl ether . Benzaldehyde is produced both naturally and synthetically. J Pharm Pharmacol. BenzalDehyde supplier and exporter. Can benzaldehyde hydrogen bond to water? HHS Vulnerability Disclosure, Help Just talk to our smart assistant Amy and she'll connect you with the best benzaldehyde solubility in hexane - Canine Capers 1975. William H. Brown Dimethyl ether is an ether compound having the chemical formula C 2 H 6 O. Benzoic acid, also known as benzene-carbonic-acid, is a monobasic aromatic acid with a moderately strong white crystalline powder that is very soluble in alcohol, ether, and benzene but . PHASE EQUILIBRIA IN SOME BETAINE-BENZALDEHYDE-WATER SYSTEMS. 1. Solvent Polarity Table.