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Molecule
Chlorosulfuric Acid, Methyl Ester
CAS: 812-01-1 · CH3ClO3S
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 812-01-1
- Molecular Formula
- CH3ClO3S
- Molecular Mass
- 130.55 g/mol
Identifiers
CAS Registry Number
812-01-1
SMILES
COS(=O)(=O)Cl
InChI Key
KNVLCWQKYHCADB-UHFFFAOYSA-N
InChI
InChI=1S/CH3ClO3S/c1-5-6(2,3)4/h1H3
Names and Synonyms
- Chlorosulfuric Acid, Methyl Ester Synonym
- Chlorosulfuric acid, methyl ester Synonym
- Methyl chlorosulfate Synonym
- Methyl chlorosulfonate Synonym
- Chlorosulfonic acid, methyl ester Synonym
- [(Chlorosulfonyl)oxy]methane Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 130.55 g/mol | CAS Common Chemistry |
| 130.552 g/mol | RDKit | |
| 130.542 g/mol | chempirical lib | |
| Density | 1.49 g/cm³ | CAS Common Chemistry |
| 1.492 g/cm3 @ 15 °C | CAS Common Chemistry | |
| Boiling Point | 134 °C | CAS Common Chemistry |
| Canonical SMILES | O=S(=O)(Cl)OC | CAS Common Chemistry |
| InChI | InChI=1S/CH3ClO3S/c1-5-6(2,3)4/h1H3 | CAS Common Chemistry |
| InChI Key | InChIKey=KNVLCWQKYHCADB-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | -70 °C | CAS Common Chemistry |
| Name | Chlorosulfuric acid, methyl ester | CAS Common Chemistry |
| Heavy Atom Count | 6 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 43.370000000000005 Ų | RDKit |
| 43.37 Ų | RDKit | |
| LogP | 0.11640000000000006 | RDKit |
| 0.1164 | RDKit | |
| Molar Refractivity | 21.781799999999993 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 129.949142636 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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3
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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
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MW = 130.55 g/mol; density = 1.490 g/mL. Edit any field — others recompute live.
