AMMONIUM DICHROMATE

AMMONIUM DICHROMATE AR

Ammonium bichromate

Article No.

01161

Grade

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

MSDS

Certificate of Analysis (COAs)

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

Packings

500 g (00500)
25 Kg (0025K)
50 Kg (0050K)

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

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

Revision Date : 17-Feb-2022

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