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Direct Red 227

Direct Red 227 structure

Direct Red 227 

structure
  • CAS No:

    12222-51-4

  • Chemical Name:

    Direct Red 227

  • Synonyms:

    C.I. Direct Red 227;Kayarus Light Rose FR;Direct Red 227;Everdirect Light Rose FR;Kayafect Red P;Aizen Direct Red 227;Rose FR;Optisal Red 7B;Diwa IJ Red 311H

  • Categories:

    Dyes and Pigments  >  Dye

Direct Red 227 Basic Attributes

1673.43000

1672.07000

Characteristics

550.80000

15.34740

Direct Red 227 Use and Manufacturing

Methods of Manufacturing

Take aniline, H acid, DSD acid, cyanuric chloride and morpholine as raw materials. Firstly, aniline is diazotized and coupled with H acid, then the coupled product is first condensed with cyanuric chloride, then with DSD acid for the second time, and finally with morpholine for the third time to get the product. After salting out, filtering and drying, the finished product is obtained.

Uses

Direct light fast red FR is used for the dyeing of cotton, viscose fiber, silk and the printing of fabrics. It is also suitable for one-bath and one-step dyeing of polyester-cotton and polyester-viscose blended fabrics. The dyeing fastness is excellent.

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