7789-21-1
7789-21-1 structure
- Name: Fluorosulfuric acid
- Chemical Name: sulfurofluoridic acid
- CAS Number: 7789-21-1
- Molecular Formula: FHO3S
- Molecular Weight: 100.070
- Catalog: Chemical reagent Organic reagent Sulfonic acid/sulfinic acid
- Create Date: 2018-06-02 08:00:00
- Modify Date: 2025-08-24 19:27:48
| Name | sulfurofluoridic acid |
|---|---|
| Synonyms |
Fluorosulfonic acid
Fluorosulphuric acid sulfofluoride Fluorosulfuric acid (HSO3F) MFCD00066174 Monofluorosulfuric acid epoxysulfonyl fluoride perfluorosulfonic acid EINECS 232-149-4 trifluoromethyl phosphonic acid anhydride fluosulfuric acid fluorosulfuric acid Fluosulfonic acid Fluorosulphonic acid Fluorosulfuric acid (HSO) Sulfurofluoridic acid |
| Density | 1.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 165.5±9.0 °C at 760 mmHg |
| Melting Point | −87.3 °C(lit.) |
| Molecular Formula | FHO3S |
| Molecular Weight | 100.070 |
| Exact Mass | 99.963043 |
| PSA | 62.75000 |
| LogP | -0.16 |
| Vapour density | 3.5 (vs air) |
| Vapour Pressure | 0.9±0.6 mmHg at 25°C |
| Index of Refraction | 1.392 |
| Stability | Stable. May corrode glass. Incompatible with many metals, bases. |
CHEMICAL IDENTIFICATION
|
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314-H332 |
| Precautionary Statements | P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | C,T |
| Risk Phrases | R20 |
| Safety Phrases | S26-S45 |
| RIDADR | UN 1777 8/PG 1 |
| WGK Germany | 1 |
| RTECS | LP0715000 |
| Packaging Group | I |
| Hazard Class | 8 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
