Industry-specific attributes
CAS No.
7778-50-9
Purity
99.7%min
Other attributes
Place of Origin
Hebei, China
Classification
Other Inorganic SaltsOther Names
Potassium Bichromate AhydrousMF
Cr2K2O7EINECS No.
231-157-5Grade Standard
Industrial Grade, Reagent GradeAppearance
Bright Orange Granular CrystalsApplication
Oxidizing AgentBrand Name
SMModel Number
SM-Potassium dichromateContent(Cr2K2O7)%
≥99.7%Density
7.14g/mLulphate(SO42-)%
≤0.02Chloride(Cl-)%
≤0.05Molecular weight
294.18UN NO
3087HS CODE
28415000
Hazard level
5.1+6.1
Products Description
Potassium Dichromate
Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. Potassium dichromate are mainly used to produce chromium oxide, potassium chramate, chrome
yellow pigment,etc. It’s an important ingredient for the chemical composition of match tips.
yellow pigment,etc. It’s an important ingredient for the chemical composition of match tips.
Functions and Uses
It is widely used in manufacturing chromium salt/mordant dyeing/glass/printing ink/paint/ceramics/
lacquer/matches; as oxidizing agent in dyeing and synthetic perfume industry.
lacquer/matches; as oxidizing agent in dyeing and synthetic perfume industry.
Specification
|
ITEM
|
STANDARD
|
RESULT
|
|
content %
|
99.7
|
99.8
|
|
Appearance
|
Orange-red crystal
|
Orange-red crystal
|
|
(Cl)%
|
0.050
|
0.045
|
|
Insoluble %
|
0.020
|
0.020
|
|
( SO42-) %
|
0.005
|
0.004
|
|
Na+ %
|
0.01
|
0.01
|
|
Moisture %
|
0.030
|
0.020
|
|
Quality standard
|
HG/T 2570-94
|
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