What is abietic acid? The advantages and applications will tell you

[Molecular formula]C20H20O2

[Structural formula]C19H29COOH

［Property］ Abietic acid is a tricyclic diterpenoid compound, light yellow to yellowish red transparent, hard and brittle, with rosin Flaky crystal or powder with odor. relative density 1.067 (20℃),softening point 72-74℃ (Global method), melting point 172-175°C, boiling point 300°C (666Pa), Flash point 216℃,Flash point 480-500℃,refractive index 1.5453 (20℃),glass transition temperature 30℃

Insoluble in water, slightly soluble in hot water, easily soluble in ethanol, ether, acetone, dichloroethane, carbon disulfide, benzene, gasoline, petroleum ether and turpentine And other solvents, also soluble in dilute sodium hydroxide solution.

[Quality Specifications]

Reference standard

Indicator Name Indicator

Melt fat temperature, ℃ ≥98

Net fat content, % 35-38

Moisture, % ≤ 0.5

［Application］It is used to make methyl abietate, vinyl ester, glyceride and other esters and to synthesize plastics and synthetic rubber wait. It is also used in the manufacture of paints, printing inks, adhesives, leather fillers, lubricants, pesticide emulsifiers, foam boosters, etc. It is also a raw material for the pharmaceutical industry.

［Brief Method］ Put the pine resin in an aluminum pot (or copper pot), heat and melt it, then drop the rosin into the water After steam distillation, turpentine is steamed out, and abietic acid is released at about 210°C.

[Safety and Protection]Although this product is not highly toxic, its vapor may cause symptoms such as headache and cough. Packed in cardboard boxes or wooden boxes lined with paper bags. Store and transport according to the regulations of flammable chemicals, store in a cool and dry place, pay attention to fire prevention.