Metanilic acid
Metanilic acid is an isomer of sulfanilic acid with molecular formula C
6H
7NO
3S and molecular weight 173.18968 g/mol.[2][3][4][5] It is a white powder that is slightly soluble in water.
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| Names | |
|---|---|
| Preferred IUPAC name
3-Aminobenzene-1-sulfonic acid | |
| Other names
3-Aminobenzenesulfonic acid m-Anilinesulfonic acid | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.004.067  |
| EC Number |
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PubChem CID |
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| UNII | |
| UN number | 2585 |
CompTox Dashboard (EPA) |
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| Properties | |
| C6H7NO3S | |
| Molar mass | 173.19 g·mol−1 |
| Appearance | Beige powder |
| Density | 1.69 |
| Melting point | >300 °C (lit.) |
| Less than 1 mg/mL at 22 °C (72 °F) | |
| Acidity (pKa) | 3.74 (H2O)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
See also
References
- Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 5–88. ISBN 978-1498754286.
- Pubchem. "3-AMINOBENZENESULFONIC ACID - C6H7NO3S - PubChem". NIH.
- "Metanilic acid - 121-47-1".
- "Metanilic acid".
- "METANILIC ACID (3-AMINO-BENZENESULFONIC ACID)".
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