Product categories
Product details
OB
shareto:
OB
Code
Price 0

  OPTICAL BRIGHTENER OB

 

Chemical name2,5-bis-(5-ter-butyl-benzoxazolyl-)thiophene

CAS NO. 7128-64-5
C.I. NO 184
Molecular formula
C26H26N2O2SH9C4

Structural formula

Molecular weight430

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).

Melting point 196-203°CDecomposition temperature is larger than 220°C

Purity      99%

Fineness    through 120 meshes

Range of Application
Widely used for the whitening of PVC
PE PPPSABSSANSBCAPA PMMA, acrylic resinprinting inkpaints and coatings etc.

Packaging25KGS fiber drums within double PE bagsOr according to user requirements packaging