AMMONIUM DICHROMATE AR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
A0024405000	AR	99.5%	7789-09-5	(NH₄)₂Cr₂O₇	252.06	2841.5090	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

Density [g/cm3]

2.15

Auto-ignition temperature [°C]

218°C

Oxidising properties

The substance or mixture is classified as oxidizing with the subcategory 2

Solubility in water [% weight]

360 g/l (20°C)

Specifications

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

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

AMMONIUM DICHROMATE AR

Physical Properties

Specifications

Safety Information and Hazard Symbols

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