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Fluorescent Whitener 4BK(CAS:27344-41-8)
Fluorescent Whitener 4BK(CAS:27344-41-8)

Fluorescent Whitener 4BK(CAS:27344-41-8)

Product name: Fluorescent Whitener 4BK

CAS No.：27344-41-8

Molecule Formula：C28H20Na2O6S2

Molecule Weight：562.56

Purity: 99%

Package: 25kg/drum

Description：Light yellow or greyish white powder

Manufacture Standards：Enterprise Standard
INQUIRY
Description
TESTING ITEMS      SPECIFICATIONS RESULTS
Appearance Light yellow or greyish white powder Conforms
Loss on drying ≤0.50% 0.15%
Assay ≥99.0% 99.9%
Conclusion:        
The Product Conforms to Enterprise Standard.
Mark Cathy