Sulfanilic Acid
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Post Date:
Oct 11,2018
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Expiry Date:
Oct 11,2019
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Detailed Description:
Cas No. :121-57-3
Specs:99% min
Payment Method: TT,LC,DP,DA
Sulfanilic Acid
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Sulfanilic acid (4-aminobenzene sulfonic acid ) is a grey crystalline solid produced from sulfonation of aniline.[1]
It readily forms diazo compounds and is used to make dyes and sulpha drugs. [1]
Sulphanilic acid exists as a zwitterion, and has an unusually high melting point. It is used as a standard in combustion analysis.
Sulfanilic acid
IUPAC name[hide]p-aminobenzenesulphonic acid
Other names[hide]Sulphanilic acid
Identifiers
CAS number 121-57-3 Y
PubChem 8479
Jmol-3D images Image 1
SMILES
[show]
C1=CC(=CC=C1N)S(=O)(=O)O
InChI
[show]
InChI=InChI=1/C6H7NO3S/c7-5-
1-3-6(4-2-5)11(8,9)10/h1-4H,
7H2,(H,8,9,10)/f/h8H
Properties
Molecular formula C6H7NO3S
Molar mass 173.19
Density 1.485
Melting point 288 °C, 561 K, 550 °F
Solubility in water >20 g/l
Related compounds
Related sulfonic acids Benzenesulfonic acid
p-Toluenesulfonic_acid
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CAS Registry Number:
121-57-3
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Synonyms:
;4-Aminobenzenesulfonic acid;4-Anilinesulfonic acid;Sulphanilic acid;4-Aminobenzenesulphonic acid;Sulphanillic Acid;4-aminobenzenesulfonate;p-Aminobenesulfonic acid;
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Molecular Formula:
C6H7NO3S
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Molecular Weight:
173.18648
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/38:;
R43:;
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Safety Description:
S24:;
S37:;
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