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Optical Whitener ER-330 C.I.199 Fluorescent Brightener CPS (Fluorescent Whitening Agent 199)
CAS NO: 13001-39-3
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Formula: C24H16N2
Molecular Weight: 332
C.I.Number: 199
Appearance: Greenish yellow crystalline powder
Melting Point: 230±2 deg.c
Purity: 99.0%(min)
Application: Mainly be used as whitening agent for polyester fiber, as well raw material of making paste form brightening agent in textile dyeing.
Property: With strong fluorescence, high whitening performance and excellent fastness to sublimation.
H.S.CODE:3204200000
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Items |
Specifications |
Results |
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Appearance |
Slight yellow-green Liquid |
Conform |
|
Particle size (≤2-3um) |
≥90% |
≥95% |
|
PH |
6 ~ 7 |
6.8 |
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C.I.E whiteness |
Wg: 140.7 Tw: 2.93 (Usage: 0.3%) |
|
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Active content |
20.0±0.5% |
20.0% |
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