Abietic acid

Also known as: abietinic acid, sylvic acid, 13-isopropylpodocarpa-7,13-dien-15-oic acid
Molecular formula: C₁₉H₂₉COOH
CAS No: 514-10-3
EINECS No: 208-173-3

The ester is called an abietate.

Appearance: yellow resinous powder, crystals or chunks
Melting point: 173°C
Boiling point: 250°C at 9 mm Hg