product Name

Sulfanilic acid

Synonyms

4-Aminobenzenesulfonic acid; 4-Anilinesulfonic acid; Sulfanilic acid 99+ %; Sulphanilic acid; 4-Aminobenzenesulphonic acid; Sulphanillic Acid; Sulfanilic acid 99.0+ % for analysis; 4-aminobenzenesulfonate; p-Aminobenesulfonic acid

Molecular Formula

C6H7NO3S

Molecular Weight

173.18648

InChI

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

CAS Registry Number

121-57-3

EINECS

204-482-5

Molecular Structure

Melting point

288°C (dec)

Water solubility

0.1 g/100 mL (20°C)

Item

Sign

Result

Assay{C6H4(NH2)(SO3H)}

≥

99. 5%

Clarity

Clarity

passes test

Insoluble matter in sodium carbonate solution

≤

0. 01%

Ignition residue(as Sulfate)

≤

0. 02%

Drying loss

≤

0. 1%

Chloride(Cl)

≤

0. 001%

Sulfate(SO4)

≤

0. 005%

Nitrite(NO2)

≤

0. 00002%