A7726112
Thionyl chloride , 99.5% , 7719-09-7
Synonym(s):
Sulfurous acid dichloride, Sulfurous oxychloride;Thionyl chloride
CAS NO.：7719-09-7
Empirical Formula: Cl2OS
Molecular Weight: 118.97
MDL number: MFCD00011449
EINECS: 231-748-8
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -105 °C |
| Boiling point: | 79 °C(lit.) |
| Density | 1.64 g/mL at 20 °C |
| vapor density | 4.1 (vs air) |
| vapor pressure | 97 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 105°C |
| storage temp. | Store at RT. |
| solubility | Miscible with toluene, chloroform, benzene, carbon tetrachloride and diethyl ether. |
| form | Liquid |
| color | ≤50(APHA) |
| Odor | Characteristic, pungent odor |
| Water Solubility | REACTS |
| Sensitive | Moisture Sensitive |
| Merck | 14,9348 |
| Exposure limits | ACGIH: TWA 50 ppm OSHA: TWA 25 ppm; STEL 125 ppm NIOSH: IDLH 2300 ppm |
| Dielectric constant | 9.1（22℃） |
| Stability: | Reacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines. |
| CAS DataBase Reference | 7719-09-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Thionyl chloride(7719-09-7) |
| EPA Substance Registry System | Thionyl chloride (7719-09-7) |
Description and Uses
Thionyl chloride (SOCl2) is used as a chlorinating agent in manufacturing organic compounds. It is also used as a solvent in high-energy lithium batteries.
Safety
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H302-H314-H331-H335 |
| Precautionary statements | P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | 14-20/22-29-35-40-34-20/21/22 |
| Safety Statements | 26-36/37/39-45-28-27 |
| RIDADR | UN 1836 8/PG 1 |
| OEL | Ceiling: 1 ppm (5 mg/m3) |
| WGK Germany | 1 |
| RTECS | XM5150000 |
| F | 19 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | I |
| HS Code | 28121095 |
| Hazardous Substances Data | 7719-09-7(Hazardous Substances Data) |
| Excepted Quantities | Forbidden |
