515809
Ammonium sulfide solution
40-48 wt. % in H2O
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About This Item
Linear Formula:
(NH4)2S
CAS Number:
Molecular Weight:
68.14
UNSPSC Code:
12352300
eCl@ss:
38030205
PubChem Substance ID:
NACRES:
NA.21
MDL number:
Quality Level
concentration
40-48 wt. % in H2O, 40.0-48.0% (titration by Na2S2O3)
refractive index
n20/D 1.467
bp
40 °C
density
1 g/mL at 25 °C
SMILES string
N.N.S
InChI
1S/2H3N.H2S/h2*1H3;1H2
InChI key
UXXGWUQNRMPNKH-UHFFFAOYSA-N
General description
Ammonium sulfide solution (aqueous ammonium sulfide) is a 40-48wt.% 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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Danger
supp_hazards
Storage Class
3 - Flammable liquids
hcodes
Hazard Classifications
Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
危险化学品
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Carpenter MS, et al.
J. Vac. Sci. Technol. B, 7(4), 845-850 (1989)
Mild method for the conversion of amides to thioamides.
Charette AB and Grenon M.
The Journal of Organic Chemistry, 68(14), 5792-5794 (2003)
Ammonium sulfide passivation of Type-II InAs/GaSb superlattice photodiodes.
Gin A, et al.
Applied Physics Letters, 84(12), 2037-2039 (2004)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 515809-100ML | 04061832500256 |
| 515809-500ML | 04061832500454 |
| 515809-4X100ML | 04061837634338 |