ER-II
Fluorescent whitening agent ER-IIdry powder
Structural Formula:
Molecular Formula:C24H16N2
Molecular weight:332
Quality Index:
Item |
Index |
1.Appearance |
Light yellow crystal |
2.Colored light |
Blue purple |
3.Fusion point |
188℃-192℃ |
4.Purity |
≥98% |
Function and characteristic:
Light yellow green crystal, insoluble in water, soluble in majority of organic solvent, colored light favors blue.
Scope of application:
Used for whitening and brightening of polyester fiber, also have good whitening effect for formale, polypropylene and polyvinyl chloride
Use method:
Normal consumption in polyester fiber is 0.02-0.08%.
Package and storage: 25Kg carton lined with plastic bag, protect from light, transport by non-dangerous goods.