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DSD ACID
DSD ACID
Supplier Info
[China Supplier]
Contact Person : Ms. Cui Ning
Tel : 86-318-2687717
Fax : 86-318-2687713
Product Detail
1,Chemical name : 4,4'aaDiaminostilbeneaa2,2'aaDisulfonic acid 2,Commodity name : DSD ACID 3,Structural Formula :

1,Chemical name : 4,4'–Diaminostilbene–2,2'–Disulfonic acid

2,Commodity name : DSD ACID

3,Structural Formula :                        

4,Molecular Formula : C14H14N2O6S2

5,Molecular Weight : 370.4

6,Plysical and chemical properties :

   (a)Light yellow paste or powder , soluble in alcohol and ether ,Insoluble in water.

   (b)Easy to be oxidized red in air .There is similar properties with aromatic acid and amine .

7,Specifications :

Item

Moist products

Dry products

Appearance

Light yellow paste

Light yellow powder

Gardner color ≤

10

9

Total Amino Value≥

54%

95%

Matter Insolubles≤

0.05%

0.08%

Benzyl Matter≤

0.25%

0.25%

Fe (ppm)≤

50

60

Remarks : To be manufactured according to customer's specifications.

8,Uses:Dyes intermediates to produce Fluorescent whitener , paper ,direct dyes.

Reative dyes and used as insecticide ect .

9,packing : 25kg/450kg/500kg/bag or at customer's option .

DSD ACID

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