
CAS Number7789-21-1
SynonymsFluorosulfonic 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
Molecular FormulaFSO3H
Molecular Weight100.07
Density1.9±0.1 g/cm3
Boiling Point165.5 °C (lit.)
Melting Point−87.3 °C (lit.)
Appearancecolorless liquid
EINECS232-149-4
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 7789-21-1 |
| Catalog No. | 2A-0200194 |
| Chinese Name | 氟磺酸 |
| 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 |
| Molecular Formula | FSO3H |
| Molecular Weight | 100.07 |
| Density | 1.9±0.1 g/cm3 |
| Boiling Point | 165.5 °C (lit.) |
| Melting Point | −87.3 °C (lit.) |
| Appearance | colorless liquid |
| Storage Condition | Storage precautions: Store in a cool, dry, well-ve |
| Packaging | I |
| EINECS | 232-149-4 |
| PubChem ID | 24854177 |
| MDL Number | MFCD00066174 |
| SMILES | OS(F)(=O)=O |
| InChI | 1S/FHO3S/c1-5(2,3)4/h(H,2,3,4) |
| InChI Key | UQSQSQZYBQSBJZ-UHFFFAOYSA-N |
| NACRES Code | NA.23 |
| UNSPSC | 12352300 |
| Hazard Symbols | 8 |
| MSDS | msds/202183_1_7789_21_1.pdf |
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