Cas no for 7783-18-8,Ammonium thiosulfate ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 7783-18-8

7783-18-8

[CAS Name] Ammonium thiosulfate

[Formula] H8N2O3S2

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Basica Info

[CAS Name]Ammonium thiosulfate
[Alias]Ammoniumthiosulfatewhitextl; Ammonium thiosulphate; Aminonium Thiosulfate
[Number]7783-18-8
[EINECS]231-982-0
[Formula]H8N2O3S2
[Molecular weight]148.19

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QIDONG A&P PHARMACEUTICAL CO.,LTD.

AMMONIUM TIOSULFATE SOLUTION

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Hangzhou Dingyan Chem Co., Ltd

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Hangzhou Dingyan Chem Co., Ltd

Used as photographic fixative, metal cleaner, electroplating solution and reducing agent.

Downstream products: printing package, color washing package (water agent), color washing package (no. 1 water agent), color washing package (no. 2 water agent). Ammonium thiosulfate is a chemical substance, molecular formula (NH4)2S2O3, white crystal at room temperature, easily soluble in water.

Character white monoclinic crystal.

Relative density 1.679

Solubility readily soluble in water. Insoluble in alcohol. Slightly soluble in acetone.

When heated to 150℃, ammonium sulfite, sulfur, ammonia, hydrogen sulfide and water are formed. It's very unstable in the air, it's stable in ammonia. It is almost completely decomposed at 150℃, easily soluble in water, slightly soluble in acetone, insoluble in alcohol and ether. Long standing its aqueous solution will have sulfur precipitation, concentrated aqueous solution at more than 50℃ will gradually decompose.

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