potassium bichromate

Post Date:
Jul 17,2019
Expiry Date:
Jan 13,2020
Detailed Description:
Cas No. :7778-50-9 [quality standard]:HG/T172324—2005
Items standard
K2Cr2O7 99.7%min
Chloride(CL) 0.05%max
Insoluble 0.02%max
Sulfate(SO4) 0.02%max
Moisture 0.03%
Sodium (Na+) 0.5%
Packaging:In moisture-proof paper-plastic composite bags, net weight for each: 25kg.
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:;