Optical Brightener
Specifications
Product name:Optical Brightener OBAppearance:yellowish powder
Suggest add quatity:0.1-.02%
Chemical Name: 2,5-bis(5-terbutyl-2-benzoxazolyl) thiophene
Molecular Formula: C26H26N2O2S
Molecular Weight: 430.2
Max. UV absorption wavelength: 375 nm
Max. optical emitting wavelength: 435 nm
Specifications:
Item |
Indices |
Appearance |
light yellow or milk yellow powder |
Smell |
No special smell |
Purity |
≥99.0% |
Melting point |
201-202°C |
Ash |
≤0.50% |
Volatile content |
≤0.50% |
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