Optical Brightener Ob, 2, 5-Bis- (5-ter-butyl-benzoxazolyl-) Thiophene

• CAS No.: 7128-64-5
• Formula: C26h26n2o2sh9c4
• EINECS: 230-426-4
• Certification: REACH
• Environmental Protection: Yes
• Color: Light Green Powder
• Model NO.: OB
• Kind: Optical Brightener
• Appearance: Powder
• Uses: in Whitening and Brightening PVC, Polystyrene
• Application: Optical Brightener
• Transport Package: 25kgs Fiber Drums Within Double PE Bags
• Specification: 99%
• Trademark: Capatue
• Origin: P. R. China
• HS Code: 32042000
• Production Capacity: 2000ton

Product Description

Chemical name:2,5-bis-(5-ter-butyl-benzoxazolyl-)thiophene

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

Structural formula: 

 

Molecular weight:430

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°C,Decomposition temperature is larger than 220°C

Purity      :≥99%

Fineness    : through 120 meshes

Range of Application:
Widely used for the whitening of PVC,PE, PP,PS,ABS,SAN,SB,CA,PA, PMMA, acrylic resin,printing ink,paints and coatings etc.

Packaging:25KGS fiber drums within double PE bags;Or according to user requirements packaging