919. Azodicarbonamide

Nomenclature

CAS number: 123-77-3
1,2-Diazenedicarboxamide; 1,1′-azobisformamide; azodicarboxamide; azobiscarbonamide; azobiscarboxamide; 1,1′-azobiscarbamide.
C2H4N4O2; mol wt 116.08.
C 20.69%, H 3.47%, N 48.27%, O 27.57%.

Description and references

Prepn: J. Thiele, Ann. 270, 1 (1892); 271, 127 (1892); T. Curtis, K. Heindenreich, J. Prakt. Chem. [2] 52, 454 (1895); J. P. Picard, J. L. Boivin, Can. J. Chem. 29, 223 (1951). Crystal structure: D. T. Cromer, A. C. Larson, J. Chem. Phys. 60, 176 (1974). Safety assessment as a flour-maturing agent: B. L. Oser et al., Toxicol. Appl. Pharmacol. 7, 445 (1965).

Chemical structure

Properties

Orange-red crystals, mp 225° (dec). Crystal d 1.68. Flammable. Sol in hot water. Insol in cold water, alc.

Use

As blowing and foaming agent for plastics; as maturing and bleaching agent in cereal flour.