Sulfanilic acid
Molecular formula
C6H7NO3S
Structural formula

Molecular weight
173.19
CAS#
121-57-3
Property
White or yellowish crystal. Crystal water will be lost when the temperature has reached 100°C. Density:1.485(25°C/4°C), slightly soluble in cold water, ethanol and aether, soluble in boiling water, melting point: 288°C, decompose at 300°C.

Quality standard
Item
Index
Appearance
White or yellowish crystal
Content of sulfanilic acid %
≥98 ≥99
Content of benzene and ammonia%
≤0.05 ≤0.05
Insoluble substance in water%
≤0.1 ≤0.1
Water content %
≤0.5 ≤0.5
Packing
25kg woven bag with plastic liner or on the clients' requirements.