Optical Brightener Agent
PRODUCT NAME:Optical brightener EBF 350
Chemical name 2, 5-Bis (2-benzoxazolyl) thiophene
Structure
C.I No: 185
CAS No: 2866-43-5
Molecule formula: C18H10N2O2S
Molecule quantity: 318.35
Appearance yellow greenish powder
Color shade bluish
Purity ≥98%
Melt point 219~221℃
Property 1. Canbe dissolved in most organic solvent, λ max =370nm (in DMF)
2. Good whitening efficiency and Good stability。
Application At present, EBF is a whiteningagent(Optical Brightener) with blue white shade commonly used for polyester,acetate triacetate fibers Jing Lun, polyvinyl chloride fibers and their blendsin all stages of process both at home and abroad due to its fastness. Theproduct can also used for whitening plastics, coatings etc. It is similar toUnite EBF.
Package Packaged in paper barrels with plastic sack,25kg each. Stored in room temperature
Note 1.The informationof our products is for reference only. We are not responsible for anyunexpected results or patent dispute caused by it.
2.Please contactour company if you have any problems in technology or application.