Title: Ammonium Picrate
CAS Registry Number: 131-74-8
CAS Name: 2,4,6,-Trinitrophenol ammonium salt
Additional Names: picric acid ammonium salt; ammonium picronitrate; ammonium carbazoate
Molecular Formula: C6H6N4O7
Molecular Weight: 246.13
Percent Composition: C 29.28%, H 2.46%, N 22.76%, O 45.50%
Literature References: Prepn: Berl, Berl, US 2350322 (1944). Crystal structure: Maartmann-Moe, Acta Crystallogr. 25B, 1452 (1969).
Properties: Bright yellow, bitter scales or orthorhombic crystals. Explodes easily from heat or shock. d 1.72. Soly in water at 20°: about 1 g/100 ml. Slightly sol in alc. "Red modification" is not a distinct polymorph, but a slightly contaminated form of the yellow salt: Mitchell, Bryant, J. Am. Chem. Soc. 65, 128 (1943). Physiologic effects and protective measures in cases of exposure to ammonium picrate: Foulger, U.S. Armed Forces Med. J. 4, 1425 (1953).
Density: d 1.72
Use: In explosives, fireworks, rocket propellants. |