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Optical Brightener ER-II(C.I. 199:1)

  • CAS No.: 13001-38-2
  • Purity: 99
  • Min quantity: 1 Kilograms
  • Price: USD 12~21/Kilograms
  • Place of Orign: Dalian,Liaoning,China
Ms.sun xin

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Item specifics

  • Product Name.:Optical Brightener ER-II(C.I. 199:1)
  • CAS No: 13001-38-2
  • Weight: 332.40
  • Formula: C24H16N2
  • Melting Point: 181-186 ºC
  • Boiling Point: 575.7 °C at 760 mmHg
  • Density: 1.18 g/cm3

Details

Details :
CAS:13001-38-2
Molecular Formula: C24H16N2
Molecular Weight : 332
Appearance: Pale yellow powder
MP: 184-186℃
Purity: ≥99%
Properties:
ER-II is a whitening agent for polyester. It is non-toxic, odorless, non-ionic and soluble in most of organic solvents. Product Whitened by ER has a natural pure white appearance. Being stable in chemical properties and characterized by strong high-temperature resistance and light stability, ER-II has a higher whitening performance than ER-I. It is one of the most ideal whitening agents generally accepted internationally for polyester fiber
Applications:
It is widely used in polyester, acetate and nylon fibers and has good whitening effect on plastics such as PE,PP and PVC. With strong fluorescence, high whitening performance and excellent fastness to sublimation. Lower luminance temperature than ER-1, higher whitening performance than ER-I
Method of usage:
1:pad-dyeing hot melt process: The recommended loading concentrations 1～4g/L
technological process:padding----precure(100℃)----postcure(185--200℃,20-30seconds), impregnation liquid pH is 4~5.
2.high temperature dyeing. The recommended loading concentrations 0.1～0.4%(o.w.f), bath ratio:1∶10～30; dyeing temperature:120～130℃,pH: 5～10depending on substrate, processing conditions, and long-term stability requirements.
Please Noted: above recommended loading can be a reference. Exact loading must be
determined by compositions of the specific polymer system
Packing: 25kg complex paper bag or fiber drum.
Optical Brightener ER-II(C.I. 199:1)

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