S P E C I F I C A T I O N S

IMIDAZOLE ACS

Synonyms:				1,3-diazo-2,4-cyclopentadiene; 1,3-Diazole; 
					Formanidine, N,N-vinylene-; Glyoxalin;
					Glyoxaline; Imidazol; Miazole

CAS No:					288-32-4

Chemical Formula:				NHCH:NCH:CH

Formula Weight:				68.08

Description:					White to off-white crystals

Assay:						>99 % C3H4N2

pH of a 5% solution:			9.5 - 11.0 at 25 deg C

Residue after Ignition			0.1 % maximum

Iron (Fe)					0.001 % maximum

Water (H2O)					0.2 % maximum

Melting range				89 - 91 °C

Effective: 01/13/09