Gum Rosin

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Gum Rosin

CAS No.: 8050-09-7

Product details

Product name: Gum Rosin

CAS No.: 8050-09-7

Physico-chemical Properties

Molecular Formula	C19H29COOH
Molar Mass	302.451
Density	1,07 g/cm3
Melting Point	70-72°C
Boling Point	439.5°C at 760 mmHg
Flash Point	180°C
Water Solubility	Soluble in alcohol, benzene, ether. Insoluble in water
Solubility	chloroform: 0.1g/mL, clear, strongly yellow
Vapor Presure	5.96E-09mmHg at 25°C
Appearance	Transparent solid
Specific Gravity	1.07～1.08
Color	Dark yellow

Specification:

Item	X	WW	WG	N	M	K
Color	slightly yellow	pale yellow	yellow	deep yellow	yellow brown	yellow red
	Correspond to the standard glass color piece of rosin
Appearance	transparent solid
Softening Point(ball&ring)	76oC min		75oC min		74oC min
Acid No. ( mgKOH/g )	166min		165min		164min
Unsaponifiable Material	5% max				6%max
Alcohol insoluble Material	0.03%max				0.04%max
Ash ( % ), max	0.02		0.03		0.04

Usage: It is used to make washing soap, metal soap, varnish, ink, welding materials, insulating materials, etc., and is used as a sizing agent for paper and a softener for increasing the adhesion of rubber.

Packing: 25kg plastic bag or kraft paper bag, 225kg or 240kg galvanized steel drum