![]() | |
Names | |
---|---|
Preferred IUPAC name
3-Aminobenzene-1-sulfonic acid | |
Other names
3-Aminobenzenesulfonic acid
m-Anilinesulfonic acid | |
Identifiers | |
3D model (
JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.004.067 |
EC Number |
|
PubChem
CID
|
|
UNII | |
UN number | 2585 |
CompTox Dashboard (
EPA)
|
|
| |
| |
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).
|
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.
![]() | |
Names | |
---|---|
Preferred IUPAC name
3-Aminobenzene-1-sulfonic acid | |
Other names
3-Aminobenzenesulfonic acid
m-Anilinesulfonic acid | |
Identifiers | |
3D model (
JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.004.067 |
EC Number |
|
PubChem
CID
|
|
UNII | |
UN number | 2585 |
CompTox Dashboard (
EPA)
|
|
| |
| |
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).
|
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.