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Raw Materials Of Fluorescent Brightener Optical Brightening Dsd Acid

Raw Materials Of Fluorescent Brightener Optical Brightening Dsd Acid

Negotiable /Ton

Min.Order:1 Ton

Supply Ability:
5000 Ton / Tons per Month
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Delivery Detail:
7 days

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Place of Origin:
China
Model Number:
81-11-8
Application:
PVC Products
Purity:
95%min
EINECS No.:
201-325-2
MF:
C14H14N2O6S2

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Product Details

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

DSD acid Specificaiton:

AppearanceLight yellow powder
Purity(%)           ≥95.0
Chromaticity

0.12% Max

Alkali insoluble matter

0.08% Max

Ash

2.2% Max

Benzyl compounds

0.25% Max


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Quick Details

Place of Origin:
China
Model Number:
81-11-8
Application:
PVC Products
Purity:
95%min
EINECS No.:
201-325-2
MF:
C14H14N2O6S2
Other Names:
DASDA
CAS No.:
CAS No.:81-11-8
Classification:
Other, DSD acid
Appearance:
LIGHT YELLOW POWDER
Grade Standard:
Other, Technical Grade