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Product name FBA 378; OBA 378, Fluorescent Brightener FP-127; Optical Brightener Agent FP-127, Fluorescent Brightener CBS-127; Optical Brightener Agent CBS-127
Color Index No C.I.378
Assay 99%
Fineness ≥ 200 meshes
Cas No 40470-68-6
Appearance Slight Yellow Powder
86 18254185957

Products Information:


Synonyms: FBA 378; OBA 378,Fluorescent Brightener FP-127; Optical Brightener Agent FP-127, FluorescentBrightener CBS-127; Optical Brightener Agent CBS-127,

Molecular Formula: C30H26O2

Molecular Weight:418

CAS No: 40470-68-6

C.I. No.: C.I.378

Appearance: slight yellow powder

Melting point(): 219-221°C


Fineness: 200 meshes

Molecular Structure:


Optical Brightener FP-127 hascharacteristics such as high whiteness, good colored light, good colorfastness, heat resistance, weather resistance and yellowing resistance andetc.

Itis especially suitable for whitening of PVC and polystyrene series products,and can also be used for whitening and brightening of other thermoplastics andcoatings, printing ink, synthetic fiber

Reference dosage:

Each 100kg material to add FP-127 brightening agent:

1. PVC:       

    1. White: 10-50 g   

    2.transparent: 0.1-1g

2. PS:

    1.White: 1-50g   

    2.transparent: 0.1-1g   

    3.ABS: 10g-50g (eliminate the inherent yellow in ABS)

Package & Storage:

10kg or 25kg/ fiber drums. It can bepacked in other forms according to user's requirements.

Shelf life: not more than 24 months inthe room temperature.