Optical brightener OB

Chemical Name:2,5-bis-(5-ter-butyl-benzoxazolyl-)thiophene

CAS NO.: 7128-64-5

Molecular Formula:C26H26N2O2SH9C4

C.I. NO:184

Molecular Weight:430

Purity ≥99%
Melting Point 196-203°C
Decomposition temperature >220°C
Fineness through 120 meshes

Properties & Features:Light green powder, odorless, soluble in alkane, fat, mineral oil, paraffin and most organic solvents, max. spectral absorption value: 375nm (in ethanol), max. emission wavelength: 435nm (in ethanol). Solubility: it is hard soluble in water, soluble in alkane, mineral oil and ordinary organic solvent.

Range of Application:Widely used for the whitening of PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, printing ink, paints and coatings etc.

Packaging:25kg fiber drums within double PE bags;Or according to user requirements packaging.

Product Picture:

Company Info

Henan Wising Chem Co., Ltd