optical brightener YCOB MDAC

• Post Date:

  Feb 23,2017

• Expiry Date:

  Feb 23,2018

• Detailed Description:

  Cas No. :91-44-1 PRODUCT NAME: 7-diethylamino-4-methylcoumarin
  
  Other name:
  
  2H-1-Benzophyran-2-one, 7-(diethylamino)-4-methyl-,sulfate
  Fluorescent brightening agent 52
  
  C.I. Number:
  Specification:
  Properties Specifications:
  APPEARANCE off-white powder
  MELTING POINT 69.5~71.0°C
  PURITY: 98% min
  ASH 0.1% max
  VOLATILE MATTER 0.5% max
  MESH SIZE passing 100 mesh
  E1 value 1000+/-20
  Properties :
  
  1. multipurpose brightener with excellent whiteness, solube 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.
  
  Package and Storage: It is packed in 20Kgs paper board bucket It can be packed according to the requirement of the user.

• CAS Registry Number:

  91-44-1

• Synonyms:

  ;Coumarin 1~4-Methyl-7-diethylaminocoumarin;4-Methyl-7-diethylamino coumarine;Fluorescent Brightener SWN;4-methyl-7-diethylamino Coumarin;

• Molecular Formula:

  C₁₄H₁₇NO₂

• Molecular Weight:

  231.29

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R20/21:;
  R36/37/38:;
  

• Safety Description:

  S26:;
  S37/39:;
  

• Company:

  Yongchang Polymer Additives Co ltd     [ China ]        

• Contact:

  Mickel

• Tel:

  +86-20-61876219

• Fax:

• Email:

  info@chinapolymeradditives.cn