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Stock Code: six hundred and three thousand and sixty-seven

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potassium dichromate

Potassium dichromate: also known as potassium jarosite, mainly used in the production of chromium trioxide, chrome yellow pigment, steel passivation, electricity

Welding rod, match, used as oxidant, making chrome potassium alum and making chemical reagent, etc.

Quality standard: Hg / t2324-2005

CAS number: 7778-50-9 UN number: 3086




Product information

physical property

Molecular formula

k two Cr two O seven

relative molecular mass

two hundred and ninety-four point one eight

relative density

2.68g/cm three

appearance

Bright orange red needle or small grain crystal

 

quality requirement

project

national standard

Internal control standard

potassium dichromate %                  

ninety-nine

ninety-nine point five

sulfate %                   

zero point zero five

zero point zero five

chloride %                   

zero point zero seven

zero point zero five

Sodium( Na %                

one point five

 

water content                          

zero point zero five

zero point zero five

Water insoluble substance                   

zero point zero five

zero point zero two

 

Product packaging: plastic woven bag with inner lining, net weight 25KG / bag

matters needing attention: one Store in a cool and dry place. The container must be sealed to prevent moisture;

2. It is separated from organic matter, inflammable substance, reducing agent and easy oxide.




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