Chlorosulfonic acid appears as a colorless to yellow colored fuming liquid with a pungent odor. Density 14.7 lb / gal. Causes severe burns. Very toxic by inhalation. Corrosive to metals.
Corrosive
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Chlorosulfonic acid appears as a colorless to yellow colored fuming liquid with a pungent odor. Density 14.7 lb / gal. Causes severe burns. Very toxic by inhalation. Corrosive to metals.
| Physical Description | Chlorosulfonic acid appears as a colorless to yellow colored fuming liquid with a pungent odor. Density 14.7 lb / gal. Causes severe burns. Very toxic by inhalation. Corrosive to metals. |
| Color/Form | COLORLESS OR SLIGHTLY YELLOW LIQUID |
| Odor | PUNGENT |
| Melting Point | -112 °F (USCG, 1999) |
| Boiling Point | 311 °F at 760 mmHg (USCG, 1999) |
| Density | 1.75 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | /COMMON SOLVENTS INCLUDE/ LIQUID SULFUR DIOXIDE, PYRIDINE, & DICHLOROETHANE. |
| Vapor Pressure | 1.55 mmHg (USCG, 1999) |
| Refractive Index | INDEX OF REFRACTION: 1.437 AT 14 °C/D |
| Stability/Shelf Life | FUMES IN AIR |
| IUPAC Name | sulfurochloridic acid |
| Molecular Formula | ClHO3S |
| Molecular Weight | 116.53 g/mol |
| CAS | 7790-94-5 |
| SMILES | OS(=O)(=O)Cl |
| InChIKey | XTHPWXDJESJLNJ-UHFFFAOYSA-N |
| Catalog No | KC.310181 |
| Pack sizes | 500ML |
⚠️ For information only; not a substitute for the official SDS.