raw materials of Fluorescent brightener Optical Brightening DSD acid
CAS No.:81-11-8
Other Names:DASDA
MF:C14H14N2O6S2
EINECS No.:201-325-2
Purity:95%min
Appearance:LIGHT YELLOW POWDER
Product name:DASDA
Name:4,4'-Diaminostilbene-2,2'diasulfonic acid
Packing:25kg Plastic Woven Bags
Grade:Technical Grade
Color:LIGHT YELLOW POWDER
DSD acid (4,4'-Diaminostilbene-2,2'diasulfonic acid) is used in the production of fluorescent brightener, direct frozen yellow G and direct yellow R, and as insecticide
Light yellow paste or powder, soluble in ethanol and ether, insoluble in water, easy to dissolve in alkali solution. It is easy to oxidize to red, and it has the properties of aromatic acids and amines
