Thionyl chloride
SIAL/320536 - reagent grade, 97%
CAS Number: 7719-09-7
Empirical Formula (Hill Notation): Cl2OS
Molecular Weight: 118.97
EC Number: 231-748-8
MDL Number: MFCD00011449
Linear Formula: SOCl2
Product Type: Chemical
| assay | 97% |
| bp | 79 °C (lit.) |
| density | 1.631 g/mL at 25 °C (lit.) |
| form | liquid |
| grade | reagent grade |
| InChI | 1S/Cl2OS/c1-4(2)3 |
| InChI key | FYSNRJHAOHDILO-UHFFFAOYSA |
| mp | −105 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | ClS(Cl)=O |
| vapor pressure | 97 mmHg ( 20 °C) |
| Application: | Thionyl chloride may be used in the following processes: • To facilitate the synthesis of indenones from 3-hydroxyindanones via dehydroxylation. • To functionalize silica gel for thioacetalization of aldehydes. • Conversion of tert-butyl esters to acid chlorides. • Conversion of aliphatic and aromatic sulfoxides to sulfides in the presence of triphenylphosphine. |
| General description: | Thionyl chloride is an inorganic acid chloride mainly used as a reagent to prepare carboxylic acid chlorides from carboxylic acids. |
| Packaging: | 1 L in Sure/Seal™ |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 + H332 - H314 - H335 |
| Precautionary statements | P261 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 14-20/22-29-35 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1836 8 / PGI |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH014 - EUH029 |
| Purity | 97% |
| bp | 79 °C (lit.) |
| mp | −105 °C (lit.) |
| Density | 1.631 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352300 |