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Gum Rosin
Category : Inorganic chemicals
CAS NO : 8050-09-7 EC NO : 232-475-7 MF : C20H30O2 MW : 302.451 Product description : GradeWW GradeAppearanceTransparentColorPale YellowSoftening Point
(By ring & ball method)76.9℃Unsaponifiable Matter Content4.6%Ethanol Insoluble Content0.023%Acid Value (mg KOK/g)170.9Ash Content0.010%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 Structure : 
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