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Home > Products > Chemical Auxiliary Agent > OBA 199 Fluorescent Whitening Agent C.I.199 Optical Brightener Agent ER-I For Textile

OBA 199 Fluorescent Whitening Agent C.I.199 Optical Brightener Agent ER-I For Textile

Packaging: 
prompt from stock within 2 days
Brand: 
ZHAOBO
Place of Origin: 
Tianjin, China (Mainland)

Basic Info

Model No.: optical brightener

Product Description

Packaging Details: 25 KG /carton
Delivery Detail: 15-20 days after receive the advanced payment
Product Name Optical Brightening Agent ER-I / C.I.199
Chemical Name 1,4'-bis(2-cyanostyryl) Benzene
CAS No. 13001-40-6,13001-39-3
C.I. No. 199
Molecular Formula C24H16N2
Molecular Weight 332
Specification  
Appearance: greenish yellow crystalline powder
Melting Point: 230-232°C
Purity: ≥99%
Maximum UV Absorption Spectrum: 365nm
Uses Mainly be used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing. Equivelent to Blankophor ER.
Properties It has high whitening brightening effect and excellent fastness to sublimation.



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