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Sigma-Aldrich

3-Aminobenzenesulfonic acid

97%

Synonym(s):

Metanilic acid

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About This Item

Linear Formula:
H2NC6H4SO3H
CAS Number:
121-47-1
Molecular Weight:
173.19
Beilstein:
473264
EC Number:
204-473-6
MDL number:
MFCD00065345
UNSPSC Code:
12352100
PubChem Substance ID:
24850147
NACRES:
NA.22

Quality Level

100

Assay

97%

form

powder

mp

>300 °C (lit.)

solubility

ethanol: very slightly soluble(lit.)
methanol: very slightly soluble(lit.)

SMILES string

Nc1cccc(c1)S(O)(=O)=O

InChI

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

InChI key

ZAJAQTYSTDTMCU-UHFFFAOYSA-N

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General description

3-Aminobenzenesulfonic acid undergoes microbial desulfonation to 3-aminophenol by Pseudomonas sp. strain S-313.

Application

3-Aminobenzenesulfonic acid was used in the synthesis of cytocompatible sulfonated polyanilines. It was used in fabrication of novel glucose biosensor having large active surface area and excellent conductivity.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 + H312 + H332

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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D Zürrer et al.
Applied and environmental microbiology, 53(7), 1459-1463 (1987-07-01)
Sulfur-limited batch enrichment cultures containing one of nine multisubstituted naphthalenesulfonates and an inoculum from sewage yielded several taxa of bacteria which could quantitatively utilize 19 sulfonated aromatic compounds as the sole sulfur source for growth. Growth yields were about 4
Simon Doswald et al.
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Yanyin Yang et al.
Macromolecular rapid communications, 32(12), 887-892 (2011-05-19)
We report here that by good design, polyaniline (PANI) can be cytocompatible and formed into usable scaffolds for bio-medical applications. By adjusting the ratio of two monomers, aniline (AN) and metanilic acid (MA), a series of copolymers with different sulfonation
Mei-Hwa Lee et al.
Biosensors & bioelectronics, 150, 111901-111901 (2019-11-27)
Molecularly imprinted polymers (MIPs) have been developed to replace antibodies for the recognition of target molecules (such as antigens), and have been integrated into electrochemical sensing approaches by polymerization onto an electrode. Electrochemical sensing is inexpensive and flexible, and has
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