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
High pressure steam cleaner ■■■■■■
Key Specifications of high pressure steam cleaner: - ; Hygienic cleaning without the use of chemical . . . Read More
4-Hydroxybenzenesulfonamide ■■■■■■
4-Hydroxybenzenesulfonamide: 4-Hydroxybenzenesulfonamide - CAS No.: 1576-43-8 - Molecular Weight: 173.19 . . . 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
Baikalensis extract 80%-90% Baicalin HPLC ■■■■■
Baikalensis extract 80%-90% Baicalin HPLC: Baikalensis extract 80\%-90\% Baicalin HPLC - Latin Name: . . . Read More
optical brighteners,pigments and intermediates
optical brighteners,pigments and intermediates: Dear Sir or Madam, - We are one of the biggest manufacturers . . . Read More