product

Optical brightener OB-1

CAS NO: 1533-45-5

Specification: 98.5%Min

Product Name Optical brightener OB-1
Quality Standard 98%Min
Synonyms Fluorescence Brightener OB-1, 2.2'-(4.4'-diphenol vinyl) dibenzoxazol

 

Testing Items Critrion
Appearance Green powder (not yellow)
Volatile 0.5%Max
Melting Point 359℃-363℃
Purity HPLC 98.5%Min
Ash content 0.3%Max
Particle size 100mesh 100% Pass

 

Send Inquiry