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Lab Chemicals
Ammonium Salts
AMMONIUM DICHROMATE
AMMONIUM DICHROMATE AR
Ammonium bichromate
Article No.
01161
Grade
AR
Purity
99.5%
CAS No.
7789-09-5
Molecular Formula
(NH
4
)
2
Cr
2
O
7
Molecular Weight
252.06
H.S. Code
2841.5090
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
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