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  • Product name: Potassium Dichromate
  • Product Number: g04
  • Added time: 2014-01-26
  • Views : 75

Dichromate, potassium dichromate, also known as
MF: K2Cr2O7,
Molecular mass of 294.18
Appearance: orange-red triclinic plate crystals, non-hygroscopic; soluble in water, soluble in alcohol; strong oxidant, and organic contact, friction, impact can cause a fire, toxic.
Uses: mainly used for making chromium oxide, chrome yellow pigment, steel passivation, Electrodes, matches, as oxidants, potassium alum and chromium system for the manufacture of chemical reagents.
CAS Number :7778-50-9 UN Number: 3288

 

Physical Properties

Formula :

K2Cr2O7

The relative density

2.676g/cm3

Exterior

Orange-red triclinic crystals or needle-like crystals

 

Chemical properties

Industry Standard

Internal control standards

Content( K2Cr2O7)%

≥99.7

≥99.8

Sulfate%

≤0.02

≤0.01

Chloride%

≤0.05

≤0.02

Sodium%

≤0.5

≤0.3

 

 


Package: plastic bags containing endometrial, NW 40kg / bag.
Note: 1, storage and a cool, dry place, the container must be sealed to prevent moisture;
2, and organic compounds, flammable, reducing agents, easy oxides and acids isolated storage.