Pimaric acid, CAS No. 127-27-5

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127-27-5

Catalog No. EBD2198493

CAS 127-27-5

Name Pimaric acid

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Basic Information

Synonyms: Pimaricacid 1-phenanthrenecarboxylicacid,7-ethenyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahyd 7-trimethyl-,[1theta-(1alpha,4abeta,4balpha,7beta,10aalpha)]-ro-4a 13-alpha-methyl-13-vinylpodocarp-8(14)-en-15-oicacid 1-phenanthrenecarboxylicacid,7-ethenyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydro-1,4a,7-trimethyl-,(1r,4ar,4bs,7s,10ar)- (1r,4ar,4bs,7s,10ar)-7-ethenyl-1,2,3,4,4a,4b,5,6,7,9,10,10a-dodecahydro-1,4a,7-trimethyl-1-phenanthrenecarboxylicacid 13α-methyl-13-vinylpodocarp-8(14)-en-15-oicacid 8(14),15-pimaradien-18-oicacid pimara-8(14),15-dien-18-oicacid

Molecular Formula: C18H28O2

Molecular Weight: 276.41

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polyester and Bio-based Polymer Precursors Materials Chemistry > Surface Modification and Functional Coatings > Coating Crosslinking Precursors

Product Description:

Pimaric acid is a naturally occurring diterpenoid carboxylic acid, specifically a tricyclic resin acid. It is a major component of rosin, which is obtained from pine trees. Its chemical structure is closely related to abietic acid, differing in the configuration of the isopropyl group on the C13 carbon. The primary industrial application of pimaric acid is as a key raw material in the production of synthetic resins, polymers, and coatings. It serves as a bio-based precursor for alkyd resins, epoxy resin hardeners, and polyesters. Its carboxylic acid group and rigid tricyclic structure contribute to the hardness, water resistance, and thermal stability of the final polymeric materials. It is also used in the synthesis of tackifiers for adhesives and in paper sizing agents. Beyond its role in polymer chemistry, pimaric acid and its derivatives have been investigated for various biological activities, including antimicrobial and anti-inflammatory properties. However, its commercial significance remains predominantly in the materials and chemical industries as a renewable, plant-derived building block for high-performance coatings and adhesives.

Physical Properties

Boiling Point: 413.2°Cat760mmHg

Flash Point: 198.7°C

Density: 1.05g/cm3