Sinophor® ER-I CAS 13001-39-3

Sinophor® ER-I

Premium Optical Whitening Agent for Polyester and Synthetic Fibers

Sinophor® ER-I is a good whitening agent for polyester fiber and a good whitening effect on plastics such as PE,PP and PVC and their process of shaping with polyester chips or recovered polyester chips.

Sinophor® ER-I
Fluorescent Brightener for Plastics and Polyester

Chemical Name: 1,4-Bis(2-cyanostyryl)benzene; Fluorescent Brightener ER-I

Synonym: Fluorescent Brightener ER-I; Fluorescent Whitening Agent

Cas No.: 13001-39-3

Structure:

Standard :

Item	Specification
Appearance	Yellowish green crystal powder
Assay	≥99%
Melting point	229-231℃

Applications :

Whitening and Brightening of Textile Printing and Dyeing and Plastic Products.

Packaging :

25kgs/drum.

Storage :

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.

Protecting the product from leakage, rain and insolation during transportation.

How Can We Help?

We offer a variety of options to help you find the right product for your application

WHY CHOOSE SINOCURE?

Customized development

Provide formulation optimization support for water-based/solvent-based systems
Global compliance

Full coverage of REACH, FDA, and GB standards
Stable supply

99.8% on-time delivery rate, 10,000-ton production capacity guarantee

Sinophor® ER-II

High-performance Fluorescent Whitening Agent

It belongs to low-temperature fluorescent whitening agent, suitable for various processes such as immersion dyeing and low-temperature adsorption fixation immersion dyeing.

Chemical Name :

1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene；Fluorescent Brightener ER-II
Cas No. :

13001-38-2
Formula :

C24H16N2
M.W :

332.4
Package :

25kgs/drum

Sinophor® ER-III

High-Efficiency Fluorescent Brightener CAS 13001-40-6

Its color light is biased towards green, it is resistant to high temperatures, and has strong light stability. Excellent whitening and brightening effect on plastics. Mixing this product with ER-I and ER-II can improve thermal stability and adjust color light.

Chemical Name :

1,4-Bis(4-cyanostyryl)benzene; Fluorescent Brightener ER-Ⅲ
Cas No. :

13001-40-6
Formula :

C24H16N2
M.W :

332.4
Package :

25kgs/drum

Sinophor® OB-1

Sinophor® Fluorescent Brightener

Sinophor® OB-1 is a whitening agent commonly used in the plastics industry.

Chemical Name :

Fluorescent Brightener OB -1 / FB 393
Cas No. :

1533-45-5
Formula :

C28H18N2O2
M.W :

414.45
Package :

25kgs/Drum

Sinophor® OB

Sinophor® Fluorescent Brightener

Sinophor® OB is one of the types of brighteners used in plastics and chemical fibers.

Chemical Name :

Fluorescent Brightener OB / 184;2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
Cas No. :

7128-64-5
Formula :

C26H26N2O2S
M.W :

430.17100
Package :

25kgs/Drum