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Merck

336726

Sigma-Aldrich

Ammonium thiosulfate

98%

Sinónimos:

Diammonium thiosulfate

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About This Item

Fórmula lineal:
(NH4)2S2O3
Número de CAS:
Peso molecular:
148.21
EC Number:
MDL number:
UNSPSC Code:
12352302
eCl@ss:
38030427
PubChem Substance ID:
NACRES:
NA.23

assay

98%

form

crystals and lumps

mp

150 °C (lit.)

solubility

H2O: very soluble(lit.)
ethanol: insoluble(lit.)

density

1.679 g/mL at 25 °C (lit.)

SMILES string

N.N.OS(O)(=O)=S

InChI

1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

InChI key

XYXNTHIYBIDHGM-UHFFFAOYSA-N

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General description

Ammonium thiosulfate is a non-toxic inorganic compound that is majorly used as a fertilizer and can be used as an alternative to cyanide based leaching. It has a hygroscopic nature and is soluble in water. It can be produced by the reaction of ammonia, water, and sulfur dioxide. It can be used as a photographic fixing salt.

Application

Ammonium thiosulfide can be used as a source of sulfur for the formation of cadmium sulfide thin films for electronic applications. It can also be used in the treatment of copper-gold ores for the recovery of gold.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

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Visite la Librería de documentos

Sulfites, thiosulfates, and dithionites
Barbera JJ, et al.
Ullmann's Encyclopedia of Industrial Chemistry, 66(1-3), 1-21 (2000)
Adsorption of Copper from an Ammonia-Thiosulfate Media Using DOWEX 550A Ion Exchange Resin
Vargas C and Navarro P
International Journal of Nonferrous Metallurgy, 5(04), 33-33 (2016)
Electro-plating and characterisation of cadmium sulphide thin films using ammonium thiosulphate as the sulphur source
Abdul-Manaf NA, et al.
Journal of Materials Science: Materials in Electronics, 26(4), 2418-2429 (2015)
The treatment of copper-gold ores by ammonium thiosulfate leaching
Molleman E and Dreisinger D
Hydrometallurgy, 66(1-3), 1-21 (2002)
L Cassina et al.
Journal of hazardous materials, 231-232, 36-42 (2012-07-10)
Mercury-contaminated soils from a petrochemical plant in southern Italy were investigated to assess the phytoextraction efficiency of crop plants treated with the phytohormone, cytokinine (CK foliar treatment), and with the thioligand, ammonium thiosulfate (TS, soil application). Plant biomass, evapotranspiration, Hg

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