AMMONIUM DICHROMATE AR

Ammonium bichromate

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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
MSDS
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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

  • 1PB1200500

    500 g (00500)

  • 1PDL00030K

    25 Kg (0025K)

  • 1PDLP0065K

    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

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: P201-P220-P260-P273-P280-P284
Revision Date : 17-Feb-2022
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