Potassium dichromat;CAS Number:7778-50-9

Post Date:
Oct 22,2015
Expiry Date:
Apr 19,2016
Detailed Description:
Cas No. :7778-50-9 Quantity: 15MT/MONTHMetric Tons
Specs:99% MIN
Payment Method: T/T or irrevocable L/C
Product Name Potassium dichromat
Synonyms Chromicacid (H2Cr2O7), dipotassium salt (9CI);Dichromic acid (H2Cr2O7), dipotassiumsalt (8CI);C 501;Chromium potassium oxide (K2Cr2O7);Dichromic aciddipotassium salt;Dipotassium bichromate;Dipotassium bichromate (K2Cr2O7);Dipotassium dichromate;Dipotassium dichromate (K2Cr2O7);Dipotassiumdichromium heptaoxide;Potassium bichromate;Potassium dichromate;Potassiumdichromate (K2(Cr2O7));Potassium dichromate(VI);SRM 935a;
CAS Number 7778-50-9
EINECS Number 231-906-6
Appearance Orange red crystals
Assay ≥99.8
Molecular Formula K2Cr2O7
Molecular Weight 294.18
Density 2.676 g/cm3
Melting Point 398℃
Application Mainly used in the manufacture of chromic oxide, potassium chromate, chromate yellow pigments, welding electrode, match, chromic potassium alum and chemical reagent. Also used in steel passivating and used as oxidizing agent
Molecular Structure
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:;