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Potassium dichromate

CAS：7778-50-9
Formula：

K₂Cr₂O₇

DESCRIPTION

Other name: Chromium potassium oxide (K2Cr2O7); Dichromic acid dipotassium salt; Dipotassium bichromate。

Appearance: Red-orange crystalline solid

Molecular formula: K2Cr2O7

Molecular weight: 294.18

CAS No.: 7778-50-9

EINECS No.: 231-906-6

UN No.: 3288

SPECIFICATION

Potassium dichromate(HG/T2324-2005)
Items	Specification
Appearance	Red-orange crystalline solid
Content(K2Cr2O7)%	99.8min
Sulpahte(SO42-)%	0.01max
chloride(Cl-)%	0.02max
Na%	0.3max

APPLICATION

It is mainly used for making chromium trioxide, chrome yellow pigment, steel passivation, welding electrode, matches, used as oxidant, chromium potassium alum, and used in the manufacture of chemical reagents, etc.

PACKAGE

40kg/bag, plastic bag inside and knitting bag outside.
 

STORAGE

1. Do not store near foodstuffs or reductants.

2. Do not mix with inflammable substances.

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