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Optical Brightener ER-I for Polyester & Plastics | C.I. Fluorescent Brightener 199 | CAS No. 13001-39-3

Short Description:

Optical Brightener ER-I (C.I. Fluorescent Brightener 199, CAS 13001-39-3) is a fluorescent whitening agent mainly used for polyester fibers and compatible plastic applications. It helps reduce unwanted yellowish tones and enhances the perceived whiteness and brightness of polyester and plastic products through blue-violet fluorescence.


Product Detail

Product Tags

Key Features

Suitable for Polyester Fibers

Optical Brightener ER-I is particularly suitable for the fluorescent whitening and brightening of polyester fibers and related polyester materials.

Suitable for Plastic Applications

ER-I can also be used in compatible plastic systems, including polyethylene (PE) and polypropylene (PP), where improved whiteness and brightness are required.

Effective Optical Brightening

ER-I helps compensate for unwanted yellowish tones through blue-violet fluorescence, improving the perceived whiteness and brightness of compatible materials.

Suitable for Polyester Processing

ER-I can be used in compatible polyester processing applications, including polyester chips and recycled polyester materials.

Broad Synthetic Material Applications

ER-I is suitable for compatible synthetic material applications where optical brightening and improved visual appearance are required.

Product Information

Item Information
Product Name Optical Brightener ER-I
C.I. Name C.I. Fluorescent Brightener 199
CAS No. 13001-39-3
Chemical Name 1,4-Bis(2-cyanostyryl)benzene
Molecular Formula C24H16N2
Molecular Weight 332.4
Main Applications Polyester fibers and plastics

Typical Applications

Polyester Fibers

Optical Brightener ER-I is particularly suitable for polyester fibers where improved optical whiteness and brightness are required.

Polyester Materials

ER-I can be used in compatible polyester materials and processing systems, including applications involving polyester chips and recycled polyester materials.

Polyethylene (PE)

ER-I can be used in compatible polyethylene applications to improve perceived whiteness and brightness and reduce unwanted yellowish tones.

Polypropylene (PP)

ER-I can also be used in compatible polypropylene applications where fluorescent whitening and improved visual brightness are required.

Packaging & Customized Options

Regular Packaging

Packaging options are available according to product grade and customer requirements.

Customized Product Options

Customized ER-I options are available based on specific application requirements, processing conditions and performance objectives.




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