Qingdao Hailijia New Material Chemical Co. Ltd.

rosin

• Category :

• 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;

• CAS NO :

  8050-09-7

• EC NO :

  232-475-7

• Molecular Formula :

  C₂₀H₃₀O₂

• Molecular Weight :

  302.451

• Main Specifications :

• InChI :

  InChI=1/C20H30O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h7,12-13,16-17H,5-6,8-11H2,1-4H3,(H,21,22)/t16?,17?,19-,20?/m1/s1

• Product description :

  Gum rosin is an amorphous transparent solid resin widely used in soap making, paper making, coatings etc.

  Technical index

  Index/Grade	X	WW	WG	N	M	K
  Color	yellowish	light yellow	yellow	deep yellow	yellow brown	yellowish red
  	Conform to Color Requirements of STD Glass for Rosin
  Appearance	transparent solid
  Softening point(ring-and-ball apparatus)°C≥	76		75		74
  Acid number mgKOH/g≥	166		165		164
  Content of non-saponifiable matter%≤	5		5		6
  Content of ethanol insolubles %≤	0.03		0.03		0.04
  Ash content %≤	0.02		0.03		0.04

  Packing: In galvanized iron drum, net weight 230±0.5kg.

• Molecular Structure :