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AMMONIUM DICHROMATE AR

Ammonium bichromate

COAs

Packings

500 g (00500)

25 Kg (0025K)

50 Kg (0050K)

1PB1200500 1PDL00030K 1PDLP0065K
Print friendly version
Article No. 01161 Grade AR
Purity 99.5% CAS No. 7789-09-5
Molecular Formula (NH4)2Cr2O7 Molecular Weight 252.06
H.S. Code 2841.5090 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

Specifications

Appearance Orange colored crystalline powder Assay (on anhydrous basis) Min 99.5%
Insoluble matter Max 0.005% Chloride (Cl) Max 0.005%
Sulphate (SO4) Max 0.01% Loss on drying (at 105°C) Max 3.0%
Calcium (Ca) Max 0.0025% Sodium (Na) Max 0.02%

Safety Information and Hazard Symbols

Flame Over Circle Skull and Crossbones Corrosion Environment Health Hazard
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: P210-P260-P264-P273-P280-P301+P310-P303+P361+P353-P304+P340+P310-P305+P351+P338
Revision Date: 02-Sep-2024

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