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Molecule
Sulfoisophthalic Acid
CAS: 22326-31-4 · C8H6O7S
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 22326-31-4
- Molecular Formula
- C8H6O7S
- Molecular Mass
- 246.20 g/mol
Identifiers
CAS Registry Number
22326-31-4
SMILES
O=C(O)c1cc(C(=O)O)cc(S(=O)(=O)O)c1
InChI Key
CARJPEPCULYFFP-UHFFFAOYSA-N
InChI
InChI=1S/C8H6O7S/c9-7(10)4-1-5(8(11)12)3-6(2-4)16(13,14)15/h1-3H,(H,9,10)(H,11,12)(H,13,14,15)
Names and Synonyms
- Sulfoisophthalic Acid Common Name
- 1,3-Benzenedicarboxylic acid, 5-sulfo- Synonym
- Isophthalic acid, 5-sulfo- Synonym
- 5-Sulfo-1,3-benzenedicarboxylic acid Synonym
- 5-Sulfoisophthalic acid Synonym
- 3,5-Dicarboxybenzenesulfonic acid Synonym
- Sulfoisophthalic acid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 246.20 g/mol | CAS Common Chemistry |
| 246.196 g/mol | RDKit | |
| 246.189 g/mol | chempirical lib | |
| Canonical SMILES | O=C(O)C=1C=C(C=C(C1)S(=O)(=O)O)C(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/C8H6O7S/c9-7(10)4-1-5(8(11)12)3-6(2-4)16(13,14)15/h1-3H,(H,9,10)(H,11,12)(H,13,14,15) | CAS Common Chemistry |
| InChI Key | InChIKey=CARJPEPCULYFFP-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 258 °C | CAS Common Chemistry |
| Name | Sulfoisophthalic acid | CAS Common Chemistry |
| Heavy Atom Count | 16 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 128.96999999999997 Ų | RDKit |
| 128.97 Ų | RDKit | |
| LogP | 0.3297 | RDKit |
| Molar Refractivity | 50.175200000000004 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 245.98342353200002 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 |
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200 ppm
180
160
140
120
100
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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 = 246.20 g/mol. Edit any field — others recompute live.
