Main Chemical Composition: Coumarin Derivatives
Specification:
Appearance: Off-white powder
Content: ≥99%
Melting Point: 69.5-71.0 ºC
Moisture: ≤0.5%
C.I.Number: 91
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.
Process:
1.H-PVC:0.03-0.1%     S-PVC:0.02-0.08@
2.Soluble with ethanol before adding.
wool: 0.05-0.35%     polyamide fiber: 0.05-0.3%
natural silk: 0.05-0.4%     acrylic fiber: 0.05-0.8%
3.detergent:0.001-0.005%

* It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.