Ammonium thiosulfate solution|CAS NO:7783-18-8--Qidong A&P Chemical Factory Co., Ltd.

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　　CAS NO.: 89-25-8 Molecular Formula: C10H10N2O Molecular Weight: 174.20 Physics and chemistry nature: White or almost white crystalline powder Use: Mainly used in cardio-cerebrovascular raw materia...

Ammonium thiosulfate solution

CAS No: 7783-18-8

Molecular formula: (NH₄) 2S2O3

Molecular weight: 148.20

Physicochemical properties: colorless transparent liquid, insoluble in alcohol and ether, slightly soluble in acetone. When heated to 150 ℃, it will decompose to form ammonium sulfite, sulfur, ammonia, hydrogen sulfide and water. The air is very unstable and stable in ammonia gas.

Usage: As fixing agent in photographic industry,Medical fungicides and analytical reagents

Packing: Ammonium thiosulfate solution can be packed in plastic drums, with a net weight of 250kg per drum.

Specification Standard: Q/320681GAI10-2021

Structural Formula：

Product specifications:

Item	Index
Appearance	Colorless transparent liquid
content%	58.0-60.0
Ammonium sulfite ≤%	1.0
Alkalinity%	0.3-1.5
Insoluble matter (precipitation of calcium and magnesium) ≤%	0.2
Heavy metals (in terms of lead) ≤%	0.001
Iron (Fe) ≤%	0.00025
Sulfide (as S^2-) ≤%	0.0002
Burning residue ≤%	0.1
Specific gravity (20 ℃)	1.310-1.335

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