Ammonium Dichromate

Identification                     

(NH4)2Cr2O7

M = 252,07 g/mol

CAS [7789-09-5]

EC number: 232-143-1

Taric code: 2841 50 00

Synonyms                      

Ammonium bichromate, Ammonium pyrochromate

Applications                       

photography, in explosive compositions, catalyst, in porcelain industry, analytical chemistry.

Packaging

  • 500 g

Physical data                          

  • Appearance: humid crystals, orange
  • Spec. Density: 2,15 g/cm3
  • Solub. in water: (20 ºC): 360 g/l
  • Melting point: 180 ºC (decomposes, explosion reaction)
  • Ignition temperature: 218 ºC
  • pH(100 g/l H2O, 20 ºC) 3,45