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121-62-0

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121-62-0 Structure

121-62-0 Structure
IdentificationBack Directory
[Name]

N-acetylsulphanilic acid
[CAS]

121-62-0
[Synonyms]

Einecs 204-487-2
N-Acetylsulphanilic
Acetyl sulphanilic acid
N-Acetylsulfanilic acid
N-acetylsulphanilic acid
Acetanilide-p-sulfonic Acid
4-Acetamidobenzenesulfonicaci
Sulfadimethoxine EP Impurity C
4-(Acetylamino)benzenesulfonic acid
Benzenesulfonic acid, 4-(acetylamino)-
Sulfadimethoxine Impurity 3(Sulfadimethoxine EP Impurity C)
[EINECS(EC#)]

204-487-2
[Molecular Formula]

C8H9NO4S
[MOL File]

121-62-0.mol
[Molecular Weight]

215.23
Chemical PropertiesBack Directory
[Melting point ]

320 °C (decomp)
[density ]

1.481±0.06 g/cm3(Predicted)
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

-0.53±0.50(Predicted)
[color ]

Pale Brown to Beige
[Stability:]

Hygroscopic
[EPA Substance Registry System]

4-(Acetylamino)benzenesulfonic acid (121-62-0)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Chemical Properties]

White Solid
[Uses]

4-Acetamidobenzenesulfonic Acid is a metabolite of Sulfanilic acid.
[Production Methods]

N-acetylsulphanilic acid is produced by dissolving aminobenzenesulfonic acid in water, adding sodium carbonate, acetylating with acetic anhydride at 45 – 50℃, and salting out with sodium chloride; the yield is 82%.
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