LeCOLOR® OPTICAL BRIGHTENER OB

LeCOLOR® – OPTICAL BRIGHTENER OB

Technical Data Sheet

CAS No.: 7128-64-5 

C.I. No.: 184

Application/Uses:

  • Coatings
  • Flexible PVC fibers
  • Artificial Fibers
  • Plastics
  • Polyethylene
  • Printing Inks
LeCOLOR – OPTICAL BRIGHTENE OB Video

Product Picture :
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LeCOLOR® OPTICAL BRIGHTENER OB

Key Attributes:

  • Colors appear more brilliant
  • Environmentally friendly
  • Excellent brightening ability
  • Produce a bluish tinge, masking yellowness
  • Whiter-than-white appearance

Typical Properties:

PropertyTypical Value
Molecular FormulaC26H26N2O2S
Assay(HPLC)98.5%Min
Molecular Weight430g/mole
AppearanceSlight Yellowish powder
Melting Point200-202°C
Volatiles<0.5%
Particle SizePass 200 mesh


Product Description:

LeCOLOR® – OPTICAL BRIGHTENER OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, paint , artifical fibers, printing inks and coatings, flexible PVC and polyethylene.

OB Dosage: 0.01%~0.05%.