Ammonium Dichromate

Post Date:
Jan 02,2025
Expiry Date:
Jul 01,2025
Detailed Description:
Cas No. :7789-09-5 Specs:［(NH4)2Cr2O7]Assay ≥98.5%

　　Product Name:Ammonium Dichromate

　　CAS NO: 7789-09-5

　　Molecular Formula: Cr2H8N2O7

　　Molecular Weight:: 252.07

　　Properties: Appearance：Orange monoclinic crystal or powder.

　　melting point :(℃)：180

　　stability : Soluble in water, insoluble in acetone, soluble in ethanol

　　Specification:

　　AppearanceOrange crystallization

　　［(NH4)2Cr2O7]Assay≥98.5%

　　Water insoluble matter≤0.05%

　　(Cl)Chloride ≤1.00%

　　Water ≤0.05%

　　Use: Used for barium determination. Used as a catalyst. Mordant, oxidizer and raw materials for laboratory purification. Smoke-free fireworks manufacturing. It is mainly used in photolithography, preparation and lithography of gravure printing. Used to make ceramic glaze medicine, fireworks. It is the raw material of pure nitrogen and sodium lauryl sulfonate

　　Packing :25KG/ weave bag
CAS Registry Number:
7789-09-5
Synonyms:
Ammonium dichromate (VI);Dichromic acid, diammonium salt;Chromic acid (H2Cr2O7), diammonium salt;diammonium oxido-(oxido-dioxo-chromio)oxy-dioxo-chromium;
Molecular Formula:
(NH₄)₂Cr₂O₇
Molecular Weight:
252.0649
Molecular Structure:
Hazard Symbols:
E:Explosive;
T+:Very toxic;
N:Dangerous for the environment;
Risk Codes:
R2:;
R21:;
R25:;
R26:;
R34:;
R42/43:;
R45:;
R46:;
R48/23:;
R50/53:;
R60:;
R61:;
R8:;
Safety Description:
S45:;
S53:;
S60:;
S61:;