Potassium Dichromate

Post Date:
Apr 09,2013
Expiry Date:
Oct 06,2013
Detailed Description:
Cas No. :7778-50-9 used for the producing of chrome oxides, yellow pigment, surface passivation of steel, welding rods, maches, chemical reagents; used as an oxidant.

contet(K2Cr2O7)% >=99.7(Industry standard); >=99.8(Inner standard)

SO4% <=0.02(Industry standard); <=0.01(inner standard)

Cl% <=0.05(industry standard); <=0.02(inner standard)

Na% <=0.5(industry standard); <=0.3(inner standard)
CAS Registry Number:
7778-50-9
Synonyms:
;Potassium dichromate standard solution;Potassium bichromate;Red potassium chromate;dipotassium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium;
Molecular Formula:
Cr₂K₂O₇
Molecular Weight:
294.1846
Molecular Structure:
Hazard Symbols:
O:Oxidizing agent;
T+:Very toxic;
N:Dangerous for the environment;
Risk Codes:
R8:;
R21:;
R25:;
R26:;
R34:;
R42/43:;
R45:;
R46:;
R48/23:;
R50/53:;
R60:;
R61:;
Safety Description:
S45:;
S53:;
S60:;
S61:;