1189-71-5
| Name | Chlorosulfonyl isocyanate |
| CAS | 1189-71-5 |
| EINECS(EC#) | 214-715-2 |
| Molecular Formula | CClNO3S |
| MDL Number | MFCD00011608 |
| Molecular Weight | 141.53 |
| MOL File | 1189-71-5.mol |
Chemical Properties
| Appearance | Clear liquid, colourless |
| Melting point | -44 °C (lit.) |
| Boiling point | 107 °C (lit.) |
| density | 1.626 g/mL at 25 °C(lit.) |
| vapor pressure | 5.57 psi ( 20 °C) |
| refractive index | n |
| Fp | >110°C |
| storage temp. | 0-6°C |
| solubility | Chloroform (Slightly, Heated) |
| form | Crystals, Crystalline Powder or Granules |
| color | White |
| Specific Gravity | 1.626 (20℃) |
| Water Solubility | reacts violently exothermic |
| Usage | Chlorosulfonyl isocyanate, a highly reactive chemical for chemical synthesis, is used as an intermediate used for production of antibiotics (Cefuroxime, penems), polymers as well as agrochemicals. Product Data Sheet |
| BRN | 1237247 |
| InChI | 1S/CClNO3S/c2-7(5,6)3-1-4 |
| InChIKey | WRJWRGBVPUUDLA-UHFFFAOYSA-N |
| SMILES | ClS(=O)(=O)N=C=O |
| CAS DataBase Reference | 1189-71-5(CAS DataBase Reference) |
Safety Data
| Symbol(GHS) |    GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H302-H314-H317-H334 |
| Precautionary statements | P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| F | 10-21-19 |
| TSCA | TSCA listed |
| REACH Registrations | Active |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 28510080 |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Resp. Sens. 1 Skin Corr. 1B Skin Sens. 1 |
| Toxicity |