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By certification 
FLUORESCENT BRIGHTENER FP-127
C.I.378 CAS：40470-68-6
STRUCTURE:
CHEMICAL NAME: 1,1'-biphenyl-4,4'-bis-benzoxazole
MOLECULAR FORMULA: C30H26O2 (As International relative Atom Mass 1997)
MOLECULAR WEIGHT:418
Max UV ABSORPTION WAVELENGTH: 368nm (ethanoll)
Max OPTICAL EMITTING WAVELENGTH: 436nm
EXCUTIVE STANDARD: Q/LQH009-2003
SPECIFICATIONS:
| Item | Indices |
Appearance |
Light green powder |
Purity |
≥ 98.5% |
Melting point |
219-221℃ |
Ash |
≤ 0.5％ |
Volatile content |
≤ 0.5% |
PROPERTIES:
1.Optical Brightening Agent FP-127 soluble in organic solvents, of maximum absorption: 368nm, max emission wavelength:436nm
2.Good compatibility with PVC and polystyrene.
3.High whiteness, good chromatic light, good heat and weathering resistance.
DIRECTION FOR USAGE:
Suitable for the whitening of PVC and polystyrene; also used for other thermoplastics, printing ink and synthetic fiber. Dosage: 0.005%-0.05%
PACKAGE: Packaged in 25kg drums or carton. Or according to customer’s requirement.
STORAGE: Should be stored in cool and dry place, avoid light.
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