Optical Brightener Ob for Textile

• CAS No.: 7128-64 -5
• Formula: C26h26n2o2s
• EINECS: 230-426-4
• Color: Green
• Kind: Optical Brightening Agent
• Appearance: Powder
• Model NO.: CAS NO. 7128-64 -5
• Storing: Cool, Dry Places and Keep Away From Fire and Moist
• Transport Package: 25kg/Drum
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

Chemical Name:2.5-bis(5-tertbutyl-2-benzoxazolyl)thiophene
Synonyms:Fluorescent Brightener OB
Molecular Formula C26H26SO2N2
Molecular Weight     430.575
Structure  


CAS Number 7128-64 -5

Specification

Appearance	Light green powder
Assay	≥99.0%
Melting Point	196 -203°C
Volatiles Content	≤0.5%
Ash content	≤0.2%

Applications:
It is used in thermoplastic plastics. PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin., polyester fiber paint, coating the brightening of printing ink. .

Usage:   (With plastic raw material weight percentage)
         PVC Whitening: 0.01 ~ 0.05%
         PVC : To improve brightness: 0.0001 ~ 0.001%
         PS : 0.0001 ~ 0.001%  
         ABS: 0.01 ~ 0.05%
         Polyolefin colorless matrix: 0.0005 ~ 0.001%
         White Matrix: 0.005 ~ 0.05%

Package and Storage
25 kg drum
Store in cool, dry places and keep away from fire and moisture.