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Home > Products > Intermediates > Dyestuff Intermediates > high quality DSD ACID CAS NO.81-11-8

high quality DSD ACID CAS NO.81-11-8

high quality DSD ACID CAS NO.81-11-8

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Incoterm: FOB,CFR,CIF,CIP

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    Transportation: Ocean,Land,Air

Product Description

Specifications

DSD acid
4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid
CAS No: 81-11-8
EINECS No: 201-325-2

DSD acid
4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid
CAS No: 81-11-8
EINECS No: 201-325-2

Chemical name:4,4'-diamino-stilbene-2,2'-disulphonic acid

Molecular formula:C14H14N2O6S2

Quality index:

Item
Index
Appearance
light yellow powder
Total amino group value
95% min
Benzyl matter
0.25% max
Insoluble matter in alkali
0.1% max
Moisture
2% max
Chroma
9°max

Properties: Appearance with light yellow paste or powder. It is easy to dissolve in alcohol, ether and alkali, but not in water. Also, it is apt to be oxidized to show red colour and have the nature of fragrant acid..

Uses: dsd acid is mainly used in Intermediates of fluorescer and varieties dyes.

Packing:25kg or 40kg woven bag or following your demand.

high quality 4 4'-diamino-2 2'-stilbenedisulfonic acid

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Product Categories : Intermediates > Dyestuff Intermediates

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