Structural Formula Vector Image
Title: Chloroacetamide
CAS Registry Number: 79-07-2
CAS Name: 2-Chloroacetamide
Molecular Formula: C2H4ClNO
Molecular Weight: 93.51
Percent Composition: C 25.69%, H 4.31%, Cl 37.91%, N 14.98%, O 17.11%
Line Formula: ClCH2CONH2
Literature References: Prepn from ethyl chloroacetate and ammonia: Jacobs, Heidelberger, Org. Synth. coll. vol. I, 153 (2nd ed., 1941); from chloroacetyl chloride and ammonium acetate: Finan, Fothergill, J. Chem. Soc. 1962, 2824.
Properties: Crystals from water, mp 119-120°. bp ~225° (dec). Sol in 10 parts water, 10 parts abs alc; very slightly sol in ether. Two isomorphous crystalline modifications: a-form, "stable form", obtained by sublimation and by crystallization from nonpolar solvents; b-form, "unstable form", obtained by quenching the melt or by crystallization from polar solvents, see Katayama, Acta Crystallogr. 9, 986 (1956); 10, 468 (1957); B. Kalyanaraman et al., J. Cryst. Mol. Struct. 8, 175 (1978).
Melting point: mp 119-120°
Boiling point: bp ~225° (dec)

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