OB-1 is used widely in the plastic market. Because of its excellent brightening ability,good thermal stability,and compatibility with many polymers.

Key words: optical brightening agent OB-1, optical brightener OB-1, fluorescent brightener OB-1, optical whitening agent OB-1, brightener OB-1

Typical Properties:

Chemical name: 2,2-(1,2-Ethenediyldi-4, 1-phenylene) bisbenzoxazole
Molecular weight: 414.4
CAS No.: 1533-45-5
C.I.: 393


Ash % 0.3max
Empirical Formula C28H18N2O2
Melting Point(DTA),C 353-359
Appearance Yellowish Green Powder
Odor Free of odor
Volatile Content % 0.3max
Assay % 99.5min
Particle Size 200 meshes


For whitening of polyester and nylon; also used in ABS, PS, HIPS, PA, PC, PP, EVA, PVC, etc.

Rate of use: (per 1000kg of substrate)
Polyester: 75-300g
EVA, PP, nylon: 75-200g


25kg / fiber drum with PE liner

The text above is an entry in our free market. Everybody can publish here their products.

Just register and start to broadcast your products.

top500.de is not responsible for the content.

Related Articles

Optical brightening agent KSN ■■■■■■■■■■
Optical brightening agent KSN: KSN is a kind of high effect optical brightener; - ; - Key words: optical . . . Read More
Optical brightener CBS-X ■■■■■■■■■■
Optical brightener CBS-X: CBS-X is a high molecular weight optical brightener suitable for the optical . . . Read More
Optical brightener FP-127 ■■■■■■■■■■
Optical brightener FP-127: CBS/FP-127 is a highly purified optical brightener applicable to polymer, . . . Read More
Optical brightening agent PF ■■■■■■■■■■
Optical brightening agent PF: PF mainly used to whiten and brighten PVC, polystyrene, polyacrylic ester . . . Read More
5-Cyanophthalide ■■■■■
5-Cyanophthalide: 5-Cyanophthalide - ; CAS NO. : 82104-74-3 - ; Chemical Name: 1,3-dihydro-1-oxo-5-isobenzofuran-carbonitrile . . . Read More
Quercetin Dihydrate ■■■■■
Quercetin Dihydrate: Quercetin Dihydrate - ; English name : Quercetin Dihydrate - ; CAS No. 6151-25-3 . . . Read More
Propylparaben ■■■■■
Propylparaben: Propylparaben - ; CAS NO.:94-13-3 - ; synonymys: Propyl 4-hydroxybenzoate - ; Molecular . . . Read More
the Optical (Fluorescent) brightening agent (China) ■■■■■
the Optical (Fluorescent) brightening agent (China): We , shijiazhuang jihua chemical&textile, could . . . Read More
sell the Optical (Fluorescent) brightening agent ■■■■■
sell the Optical (Fluorescent) brightening agent: We , shijiazhuang jihua chemical&textile, could supply . . . Read More
supply the Optical (Fluorescent) brightening agent
We , shijiazhuang jihua chemical&textile, could supply the Optical (Fluorescent) brightening agent(fluorescent . . . Read More