optical-brightener-4bk- CAS 12768-91-1-baoxu-chemical-info@baoxuchem.com

Optical Brightener 4BK(87), CAS 12768-91-1

2.5-bis-(benzoxazol-2-)thiophene

FormulaC40H40N12O16S4.4Na fluorescent-brightening-agent-4bk-12768-91-1-baoxu-chemical structure
MW 1165.05
CAS#12768-91-1

Synonym Name:

Fluorescent Brightener 87(FBA 87), Fluorescent Brightener 4BK


Specification:

Appearance: Slight yellow uniform powder
Shade: Slight bluish
Water:<5%
Fineness(120 mesh residue):≤5%


Features:

>Optical Brightener 4BK is used in whitening cotton fabric and polyester/cotton blends.


Handing and Safety: 

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.


Package:

Corrugated paper box with a liner of plastic bag.The net weight of each box is 10 kg. Or according to customers’ requirements.


TDS & MSDS

optical brightener 4bk 87 tds baoxu chemical

optical brightener 4bk 87 MSDS baoxu chemical