gum rosin

• Post Date:

  Aug 11,2014

• Expiry Date:

  Feb 07,2015

• Detailed Description:

  Cas No. :8050-29-7 Quantity: 40000Metric Tons
  Specs:x grade
  Payment Method: TT
  Gum rosin is natural organic
  compound, mainly composed of
  resins. It’s raw material for
  making soap,paper,paint, rubber
  and intermediate for synthetic
  organic chemicals.
  The standard as below:
  Color:slightly yellow
  Appearance:transparent solid
  Softening point(ball&ring):76℃
  Acid No.:166mgKOH/g min
  Unsaponifiable material:5pct max
  Alcohol insoluble
  material:0.03pct max
  Ash:0.02pct max
  

• CAS Registry Number:

  8050-29-7

• Synonyms:

  ;Disproportionated rosin;Colophony;Pine rosin;Rosin;Rosin Solder Flux Fume;Wood rosin;(4aR)-7-isopropyl-1,4a-dimethyl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid;

• Molecular Formula:

  C₂₀H₃₀O₂

• Molecular Weight:

  302.451

• Molecular Structure:

  

• Company:

  Qinzhou Rongde Chemicals Co.,Ltd.     [ China ]        

• Contact:

  William Zhou

• Tel:

  0773-5832019

• Fax:

  0773-5801712

• Email:

  rd-william@hotmail.com