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336726

Ammonium thiosulfate

Name: Ammonium thiosulfate
Brand: ALDRICH

98%

Synonym(s):

Diammonium thiosulfate

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About This Item

Linear Formula:

(NH₄)₂S₂O₃

CAS Number:

7783-18-8

Molecular Weight:

148.21

PubChem Substance ID:

24860416

eCl@ss:

38030427

UNSPSC Code:

12352302

NACRES:

NA.23

EC Number:

231-982-0

MDL number:

MFCD00015965

Assay:

98%

Form:

crystals and lumps

Solubility:

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

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Properties

Quality Level

200

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

Description

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.

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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)

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)

Sulfites, thiosulfates, and dithionites

Barbera JJ, et al.

Ullmann's Encyclopedia of Industrial Chemistry, 66(1-3), 1-21 (2000)

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Global Trade Item Number

SKU	GTIN
336726-2.5KG	04061826743195
336726-500G	04061826743201