Metanilic acid
Names | |
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Preferred IUPAC name 3-Aminobenzene-1-sulfonic acid | |
Other names 3-Aminobenzenesulfonic acid m-Anilinesulfonic acid | |
Identifiers | |
CAS Number |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.004.067 |
EC Number |
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PubChem CID |
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UNII |
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UN number | 2585 |
CompTox Dashboard (EPA) |
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InChI
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Properties | |
Chemical formula | C6H7NO3S |
Molar mass | 173.19 g·mol−1 |
Appearance | Beige powder |
Density | 1.69 |
Melting point | >300 °C (lit.) |
Solubility in water | 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 |
Chemical compound
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.
See also
References
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