Gum rosin 8050-09-7

Category :

Other Chemicals/Forest chemicals

CAS NO :

8050-09-7

EC NO :

232-475-7

MF :

C₂₀H₃₀O₂

MW :

302.451

Specification :

Name of Index: X, WW, WG, N, M, K

Packing :

In galvanized iron drums of about 225/230kgs net each

Product description :

Specification:

GUM ROSIN
Name of Index	X	WW	WG	M	K
Color	slight yellow	light yellow	yellow	yellow brown	yellow red
Appearance	Transparent solid
Softening Point (R. & B.)	76℃ min		75℃ min	74℃ min

Acid Value (mg KOH/g)	166 min		165 min	164 min

Unsaponifiable Matter	5% max		5% max	5% max
Insoluble Matter in Alcohol	0.03% max		0.03% max	0.04% max
Ash	0.02% max		0.02% max	0.04% max
Special Properties of Gum Rosin: Natural organic compound, mainly composed of resins, possesses chemical activity when dissolved in many organic solvents.
Uses of Gum Rosin: At present, most gum rosin product is used for the manufacturing of paper, paint, soap, adhesive, rubber and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use. While in the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, etc for further use by its double bond reaction.
Packing, Storing and Transporting of Gum Rosin: In galvanized iron drums of about 225/230kgs net each, must be kept away from heat and flame.

Uses :

It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many types of solvents, and has special chemical activity. So it is an important raw material for the manufacture of paper, coatings, inks, etc.

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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