336726
Ammonium thiosulfate
98%
Synonym(s):
Diammonium thiosulfate
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About This Item
Linear Formula:
(NH4)2S2O3
CAS Number:
Molecular Weight:
148.21
PubChem Substance ID:
eCl@ss:
38030427
UNSPSC Code:
12352302
NACRES:
NA.23
EC Number:
231-982-0
MDL number:
Assay:
98%
Form:
crystals and lumps
Solubility:
H2O: very soluble(lit.), ethanol: insoluble(lit.)
InChI key
XYXNTHIYBIDHGM-UHFFFAOYSA-N
InChI
1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
SMILES string
N.N.OS(O)(=O)=S
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.)
Quality Level
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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.
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.
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)
[Primary toxicological evaluation of ammonium thiosulfate].
Iu N Talakin et al.
Gigiena truda i professional'nye zabolevaniia, (6)(6), 54-55 (1982-06-01)
Ruijun Qin et al.
Journal of agricultural and food chemistry, 55(20), 8193-8199 (2007-09-13)
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