Common chemical names： sulfanilic acid; 4-aminobenzenesulfonic acid
CAS No.：121-57-3
Molecular formula：C6H7NO3S
Molecular weight：173.20
Melting point (℃)：280（decomposition） 
Relative density (water = 1, 25 ℃)：1.49
Solubility：slightly soluble in cold water, soluble in hot water, insoluble in ethanol, ether, benzene, soluble in sodium hydroxide aqueous solution

Quality index
 

Scope of application

It is mainly used in the manufacture of dyes, dyeing auxiliaries and the prevention and control of wheat rust. It is also used as the intermediate of perfume, food pigment, medicine, whitening agent and pesticide.
 

Storage method

It should be stored in a cool and ventilated warehouse away from fire and heat sources,It should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage.

 

Sodium   sulfanilate

Chemical name： sodium  sulfanilate
CAS No.：515-74-2
Molecular formula：C6H10NNaO5S
Molecular weight：231.20
Density：0.97g/cm3
Boiling point：110-112℃ 10mm
Lightning：225℃

Quality index
 

Scope of application
It is a kind of fungicide, which is mainly used to control wheat rust and other crop rust, and can produce dyes and whitening agents.

Storage method

It should be stored in a cool and ventilated warehouse away from fire and heat sources.It should be stored separately from oxidants, acids, and alkalis, and avoid mixed storage.