Description

Abietic Acid is a naturally occurring diterpenoid carboxylic acid and a primary constituent of rosin. This compound is valued for its chemical reactivity and serves as a versatile intermediate and functional additive in numerous industrial processes. Key industries that utilize Abietic Acid include adhesives, coatings, paper sizing, and the synthesis of specialty chemicals.

Application

• Adhesives & Tackifiers: A key raw material for modifying and improving the tack and adhesion properties of pressure-sensitive and hot-melt adhesives.
• Coatings & Inks: Used in the formulation of varnishes, printing inks, and protective coatings to enhance film properties and drying characteristics.
• Paper Sizing: Employed in the production of paper and cardboard to improve water resistance and printability.
• Chemical Synthesis: Serves as a crucial chiral building block and intermediate for synthesizing esters, salts, and other derivatives used in flavors, fragrances, and pharmaceuticals.
• Soaps & Detergents: Used in the manufacture of metal resinates (e.g., zinc, calcium abietate) which act as driers in paints and components in some cleaning formulations.
• Electronics: Derivatives are investigated for use in solder fluxes and other electronic materials.

Basic Information

Product Name	Abietic Acid
CAS No.	514-10-3
Molecular Formula	C20H30O2
Molecular Weight	302.45 g/mol
Synonyms	Abietic Acid; Sylvic Acid; 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, (1R,4aR,4bR,10aR)-; Rosin Acid; Colopholic Acid; Abietinic Acid; (1R,4aR,4bR,10aR)-1,4a-Dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid
EINECS	208-178-3

Quality Control

Our Abietic Acid is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, melting point, and specific optical rotation. Our quality protocols are designed to meet the requirements of industrial and technical grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its propensity to be easily oxidized (store under inert atmosphere), it is recommended to keep containers tightly sealed when not in use and minimize headspace in partially used containers.

Specification

Item	Specification
Appearance	Yellowish to pale amber crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 85.0% (as Abietic Acid)
Melting Point	172 - 175 °C
Specific Rotation [α]20/D	-100° to -110° (c=1 in ethanol)
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.