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Ammonium thiosulfate, 96%

Product Code. 11394599
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Product Code. 11394599 Supplier Thermo Scientific Alfa Aesar Supplier No. A10190.22
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Description

CAS: 7783-18-8 | (NH4)2S2O3

Ammonium thiosulfate finds application for leaching of gold and silver since it forms strong complexes. It is widely utilized as a photographic fixing agent, which acts quicklier than sodium thiosulfate fixers. It serves as a fertilizer. It acts as an additive to coal-waste mixtures to inhibit the formation of dangerous dioxins and furans. It is used as an analytical reagent in laboratories.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Ammonium thiosulfate finds application for leaching of gold and silver since it forms strong complexes. It is widely utilized as a photographic fixing agent, which acts quicklier than sodium thiosulfate fixers. It serves as a fertilizer. It acts as an additive to coal-waste mixtures to inhibit the formation of dangerous dioxins and furans. It is used as an analytical reagent in laboratories.

Solubility
Soluble in water, slightly soluble in acetone. Insoluble in ethanol and diethyl ether.

Notes
Hygroscopic. Incompatible with strong oxidizing agents, acids, magnesium and aluminum.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7783-18-8
Molecular Formula (NH4)2S2O3
MDL Number MFCD00015965
Synonym ammonium thiosulphate, thiosulfuric acid h2s2o3 , diammonium salt, thiosulfuric acid h2s2o3 , ammonium salt 1:2, diammonium hypo, acmc-1bhnz, ammoniumthiosulfate, dsstox_cid_9703, dsstox_rid_78814, dsstox_gsid_29703, diammonium thiosulphate

Specifications

Melting Point ∼180°C (decomposition)
pH 6.0 to 6.5
Quantity 100 g
Merck Index 14,562
Solubility Information Soluble in water,slightly soluble in acetone. Insoluble in ethanol and diethyl ether.
Formula Weight 148.2
Percent Purity ≥96%
Sensitivity Hygroscopic
Density 1.64
Chemical Name or Material Ammonium thiosulfate

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