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Ammonium Thiosulfate
CAS: 7783-18-8 | H8N2O3S2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
7783-18-8
Molecular Formula:
H8N2O3S2
Molecular Mass:
148.21 g/mol
Names and Synonyms:
Ammonium Thiosulfate
Thiosulfuric acid (H2S2O3), ammonium salt (1:2)
Ammonium thiosulfate ((NH4)2S2O3)
Thiosulfuric acid, diammonium salt
Thiosulfuric acid (H2S2O3), diammonium salt
Ammonium hyposulfite
Diammonium thiosulfate
Thio-Sul
Ammonium thiosulfate
Identifiers:
SMILES:
N.N.O=S(O)(O)=S
InChI:
InChI=1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
Key Properties
Melting Point
150 °C (decomp)
CAS Common Chemistry
Density
1.68 g/cm³
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 148.21 g/mol | CAS Common Chemistry |
| 148.20899999999997 g/mol | RDKit | |
| 147.997634116 g/mol | RDKit | |
| Density | 1.68 g/cm³ | CAS Common Chemistry |
| 1.679 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Ammonium_thiosulfate | CAS Common Chemistry |
| Canonical SMILES | O=S(=O)(O)S.N | CAS Common Chemistry |
| InChI | InChI=1S/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=XYXNTHIYBIDHGM-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 150 °C (decomp) | CAS Common Chemistry |
| Name | Ammonium thiosulfate | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 4 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 127.53 Ų | RDKit |
| LogP | 0.0026999999999995916 | RDKit |
| Molar Refractivity | 30.80920000000001 | RDKit |
