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Merck
CN

112739

Sulfanilic acid

99%

Synonym(s):

4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

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About This Item

Linear Formula:
4-(H2N)C6H4SO3H
CAS Number:
121-57-3
Molecular Weight:
173.19
EC Number:
204-482-5
UNSPSC Code:
12352100
PubChem Substance ID:
329749345
Beilstein/REAXYS Number:
908765
MDL number:
MFCD00007886

Key Documents

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InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

SMILES string

Nc1ccc(cc1)S(O)(=O)=O

assay

99%

mp

>300 °C (lit.)

solubility

water: soluble 12.51 g/L at 20 °C

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
12113EB
11527CB
11425CQ
09026CB
08102JU

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Adsorption of essential micronutrients by carbon nanotubes and the implications for nanotoxicity testing.
Lin Guo et al.
Small (Weinheim an der Bergstrasse, Germany), 4(6), 721-727 (2008-05-28)
Kinetic, mechanistic and spectral studies for the oxidation of sulfanilic acid by alkaline hexacyanoferrate (III).
Farokhi SA and Nandibewoor ST.
Tetrahedron, 59(38), 7595-7602 (2003)
Han Ming Gan et al.
Chemosphere, 82(4), 507-513 (2010-11-26)
A co-culture consisting of Hydrogenophaga sp. PBC and Ralstonia sp. PBA, isolated from textile wastewater treatment plant could tolerate up to 100 mM 4-aminobenzenesulfonate (4-ABS) and utilize it as sole carbon, nitrogen and sulfur source under aerobic condition. The biodegradation
Nam Hoon Kim et al.
Nano letters, 10(10), 4181-4185 (2010-09-25)
A bifunctional adenosine-sensitive double-stranded DNA aptamer was used to create and control a surface-enhanced Raman spectroscopy (SERS) hot spot between a bulk Au surface and a gold nanoparticle (Au NP) attached to the aptamer via a biotin-avidin linkage. The Au
Reversible tuning of SERS hot spots with aptamers.
Nam Hoon Kim et al.
Advanced materials (Deerfield Beach, Fla.), 23(36), 4152-4156 (2011-08-09)
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