Glycerine, Phthalic Anhydride, Tall Oil Fatty Acids, Rosin Polymer CAS NO 68605-81-2

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CAS No.:68605-81-2

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Glycerine, Phthalic Anhydride, Tall Oil Fatty Acids, Rosin Polymer CAS NO 68605-81-2 is a specialized polymeric resin derived from the co-reaction of glycerine, phthalic anhydride, tall oil fatty acids, and rosin. This engineered polymer is valued for its excellent film-forming properties, adhesion, and chemical resistance, making it a versatile intermediate for high-performance industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, sealants, and ink industries seeking to enhance product durability and performance.

Application

As a key film-forming resin in protective coatings and industrial paints.
As a tackifying agent and modifier in hot-melt and pressure-sensitive adhesives.
As a binding resin in printing inks, particularly for overprint varnishes.
As a modifier for alkyd resins to improve flexibility and drying time.
In the formulation of sealants and caulks for enhanced weather resistance.
As a component in industrial composite materials and laminates.

Basic Information


Product Name	Glycerine, Phthalic Anhydride, Tall Oil Fatty Acids, Rosin Polymer
CAS No.	68605-81-2
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Rosin-modified alkyd resin; Tall oil rosin polymer; Glycerol phthalate rosin ester; TOFA-rosin polymer; Modified rosin ester; Polymeric resin 68605-81-2; Alkyd resin based on rosin and tall oil; Ester gum polymer
EINECS	Contact for details

Quality Control

Our Glycerine, Phthalic Anhydride, Tall Oil Fatty Acids, Rosin Polymer is manufactured under a rigorous quality management system. Each batch is tested against stringent internal specifications to ensure consistent performance in your applications. Certificates of Analysis (COA) documenting key parameters such as acid value, viscosity, and softening point are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Amber solid or viscous liquid
Acid Value (mg KOH/g)	≤ 20
Softening Point (Ring & Ball, °C)	80 - 120
Color (Gardner)	≤ 12
Viscosity (at 25°C, cP)	Contact for details
Solubility	Soluble in common organic solvents