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Fluorescent Brightener 199

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Product Name:?Fluorescent Brightener 199; ?Fluorescent Brightener?ER-III
Chemical Name:?1,4-Bis(4-cyanostyryl)benzene
Synonyms:?
Optical brightener 199;C.I.199;?Fluorescent Brightener 199;1,4-BIS(4-CYANOSTYRYL)BENZENE;4,4′-(p-phenylenediethene-2,1-diyl)bisbenzonitrile;Optical Brightening Agent ER C. I. 199;Benzonitrile, 4,4-(1,4-phenylenedi-2,1-ethenediyl)bis-;1,4-BIS(2-CYANO STYRYL)BENZENE 99+%
CAS No:?13001-40-6
MF:?C24H16N2
MW: 332.4
Category:??
Fluorescent Brightener
Structure:

Descriptions:

Light Yellow Green Powder. Melting point of 288~ 291 ℃.

Use:

For polyester, acetate, nylon, polyester / cotton blended fabric.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package:?25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.

Specifications:

Appearance Light Yellow Green Powder
Content ≥99%
Moisture ≤0.5%
Insoluble ≤0.1%
Melting point 230-234°C
Shade Fluorescent white

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