Chemicals—Sulfanilamide Cas NO 63-74-1

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Sulfanilamide Cas NO 63-74-1

Sulphanilamide is the active metabolite of the antibacterial dye, Sulfamidochrysoidine. Sulphanilamide inhibits folic acid synthesis in prokaryotes and is used as an antibacterial.

Other name: 4-Aminobenzenesulfonamide

CAS NO.: 63-74-1

EINECS NO.: 200-563-4

MF: C6H8N2O2S

MW: 172.20

InChI: 1S/C6H8N2O2S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H2,8,9,10)

Melting point: 164-167ºC

Water solubility: 7.5G/LAT25ºC

Density: 1.08

Appearance: White crystalline powder

Specification

Items of Test	Limites of Test	Result of Test
Appearance	White or almost white crystalline powder	Meets
Identification	Meets	Meets
Acidity	Neutral	Meets
Alkali-insoluble	Clear	Clear
Meting point	164.5-166.5°C	164.5-165°C
Assay	≥99.0%	99.84%
Chloride	≤0.035%	no more than350ppm
Loss on Drying	≤0.5%	0.34%
Heavy Metals	no more than 10ppm	Meets
Iron	≤40ppm	Meets
Residue on ignition	≤0.1%	0.03