Chemical name: 2,5-bis (5-tert-butyl-2-benzoxazolyl) thiophene
Molecular formula: C26H26N2O2S
C.I.NO:184
CAS No: 7128-64-5
Molecular weight: 430
Technical indicators:
Appearance: light green or milky white powder
Purity: ≥ 99%
Melting point: 196-203 ℃
Properties and Uses Fluorescent whitening agent OB is soluble in alkanes, fats, paraffins and most organic solvents.
This product can be used for whitening thermoplastic, polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), ABS, acetate fiber (CA), polyamide (PA), acrylic resin, polymethyl methacrylate (PMMA) paint, coating, ink, etc.
Recommended dosage: add about 20g OB whitening agent for every 100kg of material, and the specific dosage will be adjusted according to the formula.
Packaging and storage: Packed in cardboard barrels lined with plastic bags, with a net weight of 25kg/barrel, or packed according to customer needs, and stored in a cool, dry place away from light.