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Optical Brightening Agent 199 – High Concentration in Powder type,CAS Number: 13001-39-3

News > Optical Brightening Agent 199 – High Concentration in Powder type

2019/11/1
Chemical structure
Optical Brightening Agent 199 – High Concentration in Powder type

Chemical name: 1,4'-bis(2,2'-cyano-phenylene)-benzene
Formula: C24H16N2
Molecular Weight: 332
C.I. No.: OBA 199
CAS Number: 13001-39-3
Appearance: greenish yellow crystalline powder
Melting Point: 230 deg.C to 232 deg.C
Purity: 98.0% min.
Application: Mainly for whitening of polyester fiber / fabric and as the raw material of paste form brightening agent in textile dyeing.
Property: Strong fluorescent effect, high whitening & brightness performance, excellent sublimation fastness.
UV Absorption: 365nm (max.)

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