A-6 APPENDⅨX1 TABLE D Selected Physical Properties of Representative Aldehydes and Ketones(Continued) Compound Melting Solubili Structural formula Ketones Acetone CHaCCH 94.8 2-Butanone CH3 CCH2 CH3 86.9 2-Pentanone CH3 CH3 778 102.4 3-Pentanone CHaCH2 CH 399 1020 4.7 Cyclopentanone -51.3 43.3 45 155 Acetophenone C6HsCCH3 202 Insoluble Benzophenone CeHsCCsH Insoluble TABLE E Selected Physical Properties of Representative Carboxylic Acids and Dicarboxylic Acids Structural Melting point,° Solubili formula point, (1 atm) g/100 mL H2O Carboxylic acids Formic acid HCO,H 8.4 101 Acetic acid CH3CO2H 16.6 118 Propanoic acid CH3CH2 CO2H 20.8 141 Butanoic acid CH3CH2 CH2CO2H Pentanoic acid CH3(CH2)3CO2H 34.5 186 33(16° Decanoic acid CHa(CH2)CO,H 31.4 0.003(15° HcO 1224 250 021(17° Dicarboxylic acids Oxalic acid HO2CCO2H Sublimes 10(20° Malonic acid HO2CCH2CO2H 130-135 Decompose 138(16 Succinic acid HO2CCH2 CH2CO2H 189 235 68(20° Glutaric acid HO2 CCH2 CH2 CH2CO2H 97.5 639(20° Forward Main Menu TOC Study Guide Toc Student OLCMHHE WebsiteA-6 APPENDIX 1 Compound name Ketones Acetone 2-Butanone 2-Pentanone 3-Pentanone Cyclopentanone Cyclohexanone Acetophenone Benzophenone Melting point, °C 94.8 86.9 77.8 39.9 51.3 45 21 48 Boiling point, °C (1 atm) 56.2 79.6 102.4 102.0 130.7 155 202 306 Solubility, g/100 mL H2O 37 Slight 4.7 43.3 Insoluble Insoluble Structural formula CH3CCH3 X O CH3CCH2CH3 X O CH3CCH2CH2CH3 X O CH3CH2CCH2CH3 X O C6H5CCH3 X O C6H5CC6H5 X O O O TABLE D Selected Physical Properties of Representative Aldehydes and Ketones (Continued) Carboxylic acids Dicarboxylic acids Compound name Formic acid Acetic acid Propanoic acid Butanoic acid Pentanoic acid Decanoic acid Benzoic acid Oxalic acid Malonic acid Succinic acid Glutaric acid Melting point, °C 8.4 16.6 20.8 5.5 34.5 31.4 122.4 186 130–135 189 97.5 Boiling point, °C (1 atm) 101 118 141 164 186 269 250 Sublimes Decomposes 235 Solubility, g/100 mL H2O 3.3 (16°C) 0.003 (15°C) 0.21 (17°C) 10 (20°C) 138 (16°C) 6.8 (20°C) 63.9 (20°C) Structural formula HCO2H CH3CO2H CH3CH2CO2H CH3CH2CH2CO2H CH3(CH2)3CO2H CH3(CH2)8CO2H C6H5CO2H HO2CCO2H HO2CCH2CO2H HO2CCH2CH2CO2H HO2CCH2CH2CH2CO2H TABLE E Selected Physical Properties of Representative Carboxylic Acids and Dicarboxylic Acids