Pimelic Acid
Structural Formula Vector Image
Title: Pimelic Acid
CAS Registry Number: 111-16-0
CAS Name: Heptanedioic acid
Additional Names: 1,5-pentanedicarboxylic acid
Molecular Formula: C7H12O4
Molecular Weight: 160.17
Percent Composition: C 52.49%, H 7.55%, O 39.96%
Line Formula: HOOC(CH2)5COOH
Literature References: Prepn starting with cyclohexanone and ethyl oxalate: Snyder et al., Org. Synth. coll. vol. II, p 531 (1943); by the action of sodium and isoamyl alcohol on salicylic acid: Müller, ibid. p 535.
Properties: Monoclinic prisms from benzene, mp 105.7-105.8°. Tends to sublime. bp100 272°; bp50 251.5°; bp15 223°; bp10 212°. 2.52 parts dissolve in 100 parts water at 13.5°; 5 parts dissolve in 100 parts water at 20°. Freely sol in alcohol, ether. Practically insol in cold benzene.
Melting point: mp 105.7-105.8°
Boiling point: bp100 272°; bp50 251.5°; bp15 223°; bp10 212°
Derivative Type: Diethyl ester
Molecular Formula: C11H20O4
Molecular Weight: 216.27
Percent Composition: C 61.09%, H 9.32%, O 29.59%
Properties: Liquid, d420 0.99448; bp748 254°; bp24 155°; bp15 140°. Sol in alcohol, ether, ethyl acetate.
Boiling point: bp748 254°; bp24 155°; bp15 140°
Density: d420 0.99448

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