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Product name FBA 367; OBA 367, Fluorescent Brightener KCB; Optical Brightener Agent KCB
Color Index No C.I.367
Assay 99%
Fineness ≥ 200 meshes
Cas No 5089-22-5
Appearance Yellowish Crystalline Powder
86 18254185957

Products Information:


Synonyms: FBA 367; OBA 367,Fluorescent Brightener KCB; Optical Brightener Agent KCB,

Molecular Formula: C24H14N2O2

Molecular Weight:362

CAS No: 5089-22-5

C.I. No.: C.I.367

Appearance: yellowish crystalline   powder

Melting point():210~212


Fineness: 200 meshes

Molecular Structure:


Optical BrightenerKCB whitening agent is nowthe premium grade whitening agent among a variety of fluorescent whiteningagents. It has strong whitening effect, vivid blue light, excellent heatresistance and weather resistance and chemical stability.

OpticalBrightenerKCBis mainly used for thewhitening of plastics and synthetic fiber products, and also has obviousbrightening effect for colored plastic products. It is also widely used inethylene/EVA copolymers, and is the excellent fluorescent whitening agent forsports shoes. It is also widely used in plastic films, molding materials,Injection molding materials and polyester fibers such as PE, PP, PVC, PS, ABSand PMMA, especially good at whitening of EVA.

Reference dosage:

Generally 0.005%-0.05%According to the material weight

Package & Storage:

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

Shelf life: not morethan 24 months in the room temperature.