Title: Lysidine
CAS Registry Number: 534-26-9
CAS Name: 4,5-Dihydro-2-methyl-1
H-imidazole
Synonyms: 2-methyl-2-imidazoline; methylglyoxalidine
Molecular Formula: C4H8N2
Molecular Weight: 84.12
Percent Composition: C 57.11%, H 9.59%, N 33.30%
Literature References: Prepn: Chitwood, Reid,
J. Am. Chem. Soc. 57, 2424 (1935); King, McMillan,
ibid. 68, 1774 (1946); Kyrides,
US 2392326 and
US 2404299 (both 1946 to Monsanto); Ahrens,
US 2813862 (1957 to Organon).
Properties: Needles from benzene, mp 105°. bp 198-200°. Soluble in water, alc, chloroform; less sol in benzene, carbon tetrachloride, petr ether; practically insol in ether.
Keep well closed. Incompat: Acids, metallic salts, alkaloids.
Melting point: mp 105°
Boiling point: bp 198-200°