Ammonium thiosulfate
ALDRICH/336726 - 98%
Synonym: Diammonium thiosulfate
CAS Number: 7783-18-8
Empirical Formula (Hill Notation): H8N2O3S2
Molecular Weight: 148.21
EC Number: 231-982-0
MDL Number: MFCD00015965
Linear Formula: (NH4)2S2O3
Product Type: Chemical
| assay | 98% |
| density | 1.679 g/mL at 25 °C (lit.) |
| form | crystals and lumps |
| InChI | 1S/2H3N.H2O3S2/c;;1-5(2,3 |
| InChI key | XYXNTHIYBIDHGM-UHFFFAOYSA |
| mp | 150 °C (lit.) |
| SMILES string | N.N.OS(O)(=O)=S |
| solubility | ethanol: insoluble(lit.) |
| H2O: very soluble(lit.) |
| 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. |
| Packaging: | 2.5 kg in glass bottle |
| Packaging: | 500 g in glass bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98% |
| mp | 150 °C (lit.) |
| Density | 1.679 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |