Coumarin

• Post Date:

  Feb 27,2013

• Expiry Date:

  Aug 26,2013

• Detailed Description:

  Cas No. :91-64-5 With balmy smell colourless crystal, solve in alcohol,aether ,chloroform and sodium hydroxide solution,decline solve in water.
  

• CAS Registry Number:

  91-64-5

• Synonyms:

  ;2H-1-Benzopyran-2-one;COUMARINE;1-Benzopyran-2-one;1,2-Benzopyrone;Chromen-2-one;O-Oxy-Cinnamic Lactone ;2H-chromen-2-one;

• Molecular Formula:

  C₉H₆O₂

• Molecular Weight:

  146.1427

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R20/21/22:;
  R36/37/38:;
  R40:;
  

• Safety Description:

  S26:;
  S36/37:;
  

• Company:

  Shenyang Xin Guang Chemical Factory     [ China ]        

• Contact:

  zhang

• Tel:

  024-89160086

• Fax:

  024-89160086

• Email:

  414850301@qq.com