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Home > Chemicals > Inorganic Chemicals > Acid > Raw Materials Of Fluorescent Brightener Optical Brightening Dsd Acid
Raw Materials Of Fluorescent Brightener Optical Brightening Dsd Acid
Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
China
Model Number:
81-11-8
Application:
PVC Products
Payment & Shipping
Payment Methods:
Port of Shipment:
China
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
Other Names
DASDA
CAS No.
CAS No.:81-11-8
Classification
Other, DSD acid
Appearance
LIGHT YELLOW POWDER
Grade Standard
Other, Technical Grade
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:
| Appearance | Light 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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3Yrs
Year Established
2010
Product Certifications
HACCP, QS9000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001
Port of Shipment
Qingdao Tianjin
Main Markets
North America, South America, Eastern Europe, Africa, Oceania, Mid East, Eastern Asia, Central America
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