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 Raw and Fine Chemicals >> Fluorescent Brightener OB-1(FBA393)
Structural formula:
Specification: 1)Appearance: bright yellow crystalline powder
2)Melting point: 357-359?
3)Purity: 98.50%Min
4)Solubility: Insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride.
5)Structure: a compound of dip
Application: Fluorescent brightener agent OB-1 is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester melt. This whitening agent is similar to whitex SNK, Uvitex ERT and Eastobrite OB-1 made in foreign country.
Directions for use and dosage: The dosage should be 0.01-0.05% on weight of plastic or polyester granules. Mix the materials thoroughly before shaping of the plastic products or draw in-spinning of polyester fibers.
Packaging and storing: In cardboard drum, 25kg or 20kg each. Stored in dry and ventilated place.
Other information: Product Name : 2,2'-(4.4'-diphenol vinyl)di-henzoxazol
CAS NO.: 1533-45-5
Molecular Formula: C28HI8N2O2
Molecular Weight: 414