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HEBI CYCLE COMMERCIAL CO., LTD

NO.33 TAISHAN ROAD,Hebi,Henan,China

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Product Specification

Other Names : Sodium dichromate dihydrate, Sodium bichromate MF : Na2Cr2O7·2H2O, Na2Cr2O7, Grade Standard : Reagent Grade Purity (%) : 80%~99.9% Appearance : red to orange red, slightly hygroscopic; Application : oxidant,etc; Brand Name : CYCLE Classification : - CAS No. : - EINECS No. : -
Characteristic: : loss of crystalline water at 100 degree

Product Description

Name:sodium dichromate;
CAS7789-12-0;
EINECS234-190-3;
Chemical formula:Na2Cr2O7·2H2O;
Molecular weight:297.99;
Properties: red to orange red, slightly hygroscopic;
Characteristic:loss of crystalline water at100℃,begin to decompose at about 400℃;it is soluble in water, insoluble in ethanol, and acidic in aqueous solution;The pH of 1% aqueous solution is 4, the pH of 10% aqueous solution is 3.5, and has strong oxidizing property;
Density:2.348;
Melting point:356.7℃(anhydrous);
Boiling point(℃):400(anhydrous);
Application:
1. Chromic anhydride,potassium dichromate,ammonium dichromate,salt based chromium sulfate,lead chrome yellow,copper chrome red,soluble chrome yellow,chromium oxide green and so on:raw material;
2. Basic blue dye, saccharin, synthetic camphor and synthetic fiber:oxidant;
3. Pharmaceutical industry: amine benzene sulfone, benzocaine, folic acid, rivanol (oxidant) etc;
4. Dyeing and printing industry: aniline dyestuff oxidant, post treatment agent for sulphur reducing dye dyeing, mordant dyestuff in acid mordant dyeing;
5. Leather Industry: leather tanning agent;
6. Electroplating industry: passivation treatment after galvanizing;
7. Glass industry: Green colorants.
 

Contact Us

Contact Person :Ms. Sally

Company:HEBI CYCLE COMMERCIAL CO., LTD

Address:NO.33 TAISHAN ROAD, Hebi, Henan, China,458000

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Ms. Sally < HEBI CYCLE COMMERCIAL CO., LTD >
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