beta-Chloropropionic Acid

Title: b-Chloropropionic Acid
CAS Registry Number: 107-94-8
CAS Name: 3-Chloropropanoic acid
Molecular Formula: C3H5ClO2
Molecular Weight: 108.52
Percent Composition: C 33.20%, H 4.64%, Cl 32.67%, O 29.49%
Line Formula: CH2ClCH2COOH
Literature References: Prepd by the hydrolysis of ethylene cyanohydrin with hydrochloric acid; by the oxidation of b-chloropropionaldehyde or of trimethylene chlorohydrin by nitric acid: Moureu, Chaux, Org. Synth. 8, 54 (1928); Powell, ibid. 58; Paal, Lobeck, Ber. 64, 2142 (1931).
Properties: Leaflets from ligroin. Somewhat hygroscopic. mp 41°. bp765 200°; bp35 127°; bp25 124°; bp12 108°. pK (25°) 4.00. Freely sol in water, alc, chloroform, slightly less in ether.
Melting point: mp 41°
Boiling point: bp765 200°; bp35 127°; bp25 124°; bp12 108°
pKa: pK (25°) 4.00
Derivative Type: Methyl ester
Molecular Formula: C4H7ClO2
Molecular Weight: 122.55
Percent Composition: C 39.20%, H 5.76%, Cl 28.93%, O 26.11%
Properties: From b-chloropropionic acid with methanol and HCl or from acrylic acid chloride and methanol. d40 1.198. bp 155-157°.
Boiling point: bp 155-157°
Density: d40 1.198
beta-Chloropropionitrile beta-Citraurin beta-Citronellol beta-Coniceine beta-Damascenone