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Optical Brightener ER-III

Product Name: Optical Brightener ER-III

Chemical name: 1,4-Bis(4-cyanostyryl)benzene

Synonyms : optical brightener 199; 1,4-Bis-4-cyan-styryl-benzol; Brightener ER for dacron; FBA 199:2

Chemical Structure:

CAS No.: 13001-40-6

C.I. No.: 199:2

A good whitening agent for polyester , ethylic acid, nylon, especially for plastic. It could improve thermal stability when mix with ER-I, ER-II.

Specifications:

Appearance: Bright yellow crystal powder
Shade: Greenish, good heat-resistance and light stability
Purity: 99%Min
Melting point: 289-291℃
Packaging: 25KGS net fiber drum