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Ammonium Bichromate
Ammonium Dichromate

Product Code.
00183
Grade
Purity
Min. 99%
CAS No.
7789-09-5
Molecular Formula
(NH4)2Cr2O7
Molecular Weight
252.06
H.S.Code
2841.50900
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
Orange to red
Odour
Odorless
pH value
3 - 4
Melting point/ Freezing point [°C]
170 °C
Decomposition point [°C]
170 °C
Auto-ignition temperature [°C]
218°C
Density [g/cm3]
2.15
Solubility in water [% weight]
360 g/l (20°C)
Oxidising properties
The substance or mixture is classified as oxidizing with the subcategory 2

Packaging

Specification

Appearance
Orange colored crystalline powder
Assay (iodometric)
Min 99%
Chloride (Cl)
Max 0.01%
Sulphate (SO4)
Max 0.05%

Safety Information and Hazard Symbols

Symbol: GHS03, GHS05, GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1439
IMCO Class No.: 5.1
Packing Group: II
Hazardous Statement: H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H410
Precaution Statement: P201-P220-P260-P273-P280-P284