Sulfanilic acid
Properties
- Molecular formula
- C6H7NO3S
- Molar mass
- 173.19 g/mol
- Exact mass
- 173.0147 Da
- Density
- 1.485 g/mL (at 25 °C)
- Melting point
- 288 °C
- pKa
- 3.25 (25 °C)
- Water solubility
- 10.7 g/L (20 °C)
- logP
- 0.52Crippen estimate
- Polar surface area
- 80.4 Ų
- H-bond donors / acceptors
- 2 / 3
- Rotatable bonds
- 1
Hazards
Warning
- H315 Causes skin irritationSkin corrosion/irritation
- H317 May cause an allergic skin reactionSensitization, Skin
- H319 Causes serious eye irritationSerious eye damage/eye irritation
Harmonised EU classification (CLP Annex VI, index 612-014-00-X), via PubChem.
Precautionary statements
P261, P264, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P332+P317, P333+P317, P337+P317, P362+P364, P501
Identifiers
CAS number
121-57-3SMILES
Nc1ccc(S(=O)(=O)O)cc1InChIKey
HVBSAKJJOYLTQU-UHFFFAOYSA-NInChI
InChI=1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
12 names
- Benzenesulfonic acid, 4-amino-
- 4-Aminobenzenesulfonic acid
- p-Aminobenzenesulfonic acid
- Aniline-p-sulfonic acid
- Aniline-4-sulfonic acid
- Sulphanilic acid
- 1-Aminobenzene-4-sulfonic acid
- p-Aminophenylsulfonic acid
- p-Sulfoaniline
- 4-Aminophenylsulfonic acid
- 4-Sulfoaniline
- NSC 7170
Work with Sulfanilic acid
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
4-Aminoazobenzene-4′-sulfonic acid104-23-478 % similar
6-Amino-2-naphthalenesulfonic acid93-00-566 % similar
(1,1'-Biphenyl)-4,4'-disulfonic acid5314-37-463 % similar
4-Hydroxybenzenesulfonic acid98-67-958 % similar
4-Hydrazinobenzenesulfonic acid98-71-557 % similar
1,4-Benzenediamine sulfate16245-77-556 % similar
Dapsone80-08-056 % similar
Benzenesulfonic acid98-11-356 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds