Fluorescent Whitening Agent Er

Fluorescent Whitening Agent Er

Product Description

Fluorescent Whitening Agent ER C. I. 199
Chemical name: 1, 4-Bis(2-cyano styryl)benzene
Match: Optical Brightener ER, Fluorescent Whitening Agent ER, Fluorescent Brightener ER, Optical Brightening Agent ER, Fluorescent Whitening Agent 199
Molecular formula: C24H16N2
Molecular weight: 332
CAS No.: 13001-40-6
C. I: 199

Specifications:
Appearance: Yellowish-green crystalline powder.
Melting point: 230-234° C
Assay: 99.0% min
Volatile Content: 0.3% max
Ash: 0.3% max
Maximum UV Absorption Spectrum: 365nm

Application:
It is widely used in whitening of polyester fiber and as the raw material of paste form brightening agent in textile dyeing.
Package: Packing in 25kg fiber drum or according to the requirement of the customers.

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