Chemical name:4,4-Diaminostilbene-2,2-disulfonic acid
Structural formula:

Chemical formula:C14H14N2O6S2
Molecular weight:370.4
CAS NO.:81-11-8
Property:
1)Light yellow cream or powder, soluble in ethanol and ether; insoluble in water, easily soluble in alkaline solution.
2)Can be easily oxidized into red; has the property of aromatic acid or aromatic amine
Quality index:

Main use:In the manufacture of fluorescent brighteming agent、Chrysophenine G and Direct Yellow R, also as pesticides
Packing:dry product: in 25kg woven bags or upon clients\' request; wet product: in 40kg woven bag or upon clients\' request.