sulfanilic acid

Appearance:white to off white powder

Assay(total ammino),%≥99.00 Aniline content,%≤0.02 Water insolubles content,%≤0.10 Sodium carbonate solution:Transparent

Property:White to off white powder, m.p.288℃,at 300℃,it will be carbonized, density 1.485(25℃/4℃),slightly soluble in cool water, soluble in boiling water, slightly soluble in ethanol and benzene.

Use:It is an important intermediate used to produce dyestuff, printing & dyeing auxiliaries etc.It is also an ideal intermediate used in food dyes, pharmacy and building materials areas.

Sodium sulphanilate:

Quality index Appearance:Pink or rose crystal Sodium sulphanilate assay(%)≥97.0 Aniline content(%)≤0.01 Water insolubles content(%)≤0.2

Property:Flashing and flaky crystal,easily soluble in water, its water solution is neutural.

Use:Used to produce acid dyes,direct dyes etc;also used to controlwheat rust;It is also an ideal intermediate used in food, pharmacy and building materials areas.