C.I.Number: 140
Main Chemical Composition: Coumarin Derivatives
Specification: Appearance: Off-white powder
Content: ≥99%
Melting Point: 69.5~71.0℃
Moisture: ≤0.5%
Property: 1.multipurpose brightener with excellent whiteness, soluble in ethanol but insoluble in water.
2.having properties of good solubility and compatibility.
Application: mainly be used as brightener of H-PVC,S-PVC,wool, natural silk, polyamide fiber and acrylic fiber. Also can be used for detergent. This product is a common laser dyestuff.
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