Back to Search
Molecule
Fluorosulfuric Acid
CAS: 7789-21-1 · HFO3S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 7789-21-1
- Molecular Formula
- HFO3S
- Molecular Mass
- 100.07 g/mol
Identifiers
CAS Registry Number
7789-21-1
SMILES
O=S(=O)(O)F
InChI Key
UQSQSQZYBQSBJZ-UHFFFAOYSA-N
InChI
InChI=1S/FHO3S/c1-5(2,3)4/h(H,2,3,4)
Names and Synonyms
- Fluorosulfuric Acid Common Name
- Fluorosulfuric acid Synonym
- Fluosulfonic acid Synonym
- Fluorosulfonic acid Synonym
- Fluorosulfuric acid (HSO3F) Synonym
- Monofluorosulfuric acid Synonym
- Fluosulfuric acid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 100.07 g/mol | CAS Common Chemistry |
| 100.063 g/mol | chempirical lib | |
| Density | 1.73 g/cm³ | CAS Common Chemistry |
| 1.726 g/cm3 @ 25 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Fluorosulfuric_acid | CAS Common Chemistry |
| Canonical SMILES | O=S(=O)(F)O | CAS Common Chemistry |
| InChI | InChI=1S/FHO3S/c1-5(2,3)4/h(H,2,3,4) | CAS Common Chemistry |
| InChI Key | InChIKey=UQSQSQZYBQSBJZ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -89 °C | CAS Common Chemistry |
| Name | Fluorosulfuric acid | CAS Common Chemistry |
| Heavy Atom Count | 5 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 54.370000000000005 Ų | RDKit |
| 54.37 Ų | RDKit | |
| LogP | -0.2412999999999999 | RDKit |
| -0.2413 | RDKit | |
| Molar Refractivity | 12.656600000000001 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 99.96304311200001 g/mol | RDKit |
| Boiling Point | 163 °C @ 760 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
Convert
Quick conversion
MW = 100.07 g/mol; density = 1.730 g/mL. Edit any field — others recompute live.
