Description
Ammonium dichromate is a bright orange red crystalline solid. It is readily ignited and burns producing a voluminous green residue. If heated in a closed container, the container may rupture due to the decomposition of the material. It may also act as a strong oxidizing agent if mixed with or contaminated with combustible material. It is soluble in water.
Formula – Cr2H8N2O7
Molar mass – 252.063 g/mol
CAS Number – 05.09.7789
Density – 2.150 g/cm3
Purity/Grade – ≥99.5% (ACS Reagent)
Appearance – Crystal
Flash point – Not applicable
Melting point/freezing point – 170°C (338°F) – dec
pH – 3.0 – 4.0 at 50 g/l at 25°C (77°F)
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