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About This Item
Linear Formula:
(NH4)2S
CAS Number:
Molecular Weight:
68.14
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38030205
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
form
liquid
concentration
20% in H2O
20.0-24.0% (titration by Na2S2O3)
storage temp.
room temp
SMILES string
N.N.S
InChI
1S/2H3N.H2S/h2*1H3;1H2
InChI key
UXXGWUQNRMPNKH-UHFFFAOYSA-N
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General description
Ammonium sulfide solution (aqueous ammonium sulfide) is a 20% solution in water. Ammonium sulfide is an inorganic salt with a sulfurous odor, which is commonly used in the food industry as a flavoring agent. The influence of ammonium sulfide treatment on (100)GaAs (gallium arsenide) surfaces has been studied by X-ray photoelectron spectroscopy (XPS) and reflection high-energy electron diffraction (RHEED). Its potential as an alternative to hydrogen sulfide for the transformation of activated amides to thioamides by thiolysis has been investigated. The reaction of ammonium sulfide with 3-hydroxy-2-butanone over a range of temperature has been reported to form various flavor compounds.
Application
Ammonium sulfide solution may be used to enhance the performance of type-II InAs/GaSb super lattice photodiodes by surface passivation technique.
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Burdock GA.
Encyclopedia of Food and Color Additives, 1, 146-146 (1997)
Ammonium sulfide passivation of Type-II InAs/GaSb superlattice photodiodes.
Gin A, et al.
Applied Physics Letters, 84(12), 2037-2039 (2004)
Mild method for the conversion of amides to thioamides.
Charette AB and Grenon M.
The Journal of Organic Chemistry, 68(14), 5792-5794 (2003)
Carpenter MS, et al.
J. Vac. Sci. Technol. B, 7(4), 845-850 (1989)
[Photographic models in the study and valuation of the silver reactions in histology. II. Optical density variation in enlarging exposure scale under the action of the ammonium sulphide on silver (author's transl)].
M Vialli et al.
Mikroskopie, 36(3-4), 117-127 (1980-06-01)
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