Title: Methyl Abietate
CAS Registry Number: 127-25-3
Molecular Formula: C21H32O2
Molecular Weight: 316.48
Percent Composition: C 79.70%, H 10.19%, O 10.11%
Line Formula: C19H29COOCH3
Literature References: The article of commerce is a mixture of the methyl esters of the rosin acids.
Properties: Colorless to yellow, almost odorless, thick liquid. d2020 1.040. bp 360-365° with decompn. nD20 1.530. Flash pt 180-218°C. Insol in water. Miscible with usual organic solvents, also with aliphatic hydrocarbons. Dissolves ester gums, rosin, many synthetic resins as well as ethyl cellulose, rubber, etc.
Boiling point: bp 360-365° with decompn
Flash point: Flash pt 180-218°C
Index of refraction: nD20 1.530
Density: d2020 1.040
Use: As a solvent for ester gums, rosin, many synthetic resins, ethyl cellulose, rubber, etc.; in the manuf of varnish resins; as ingredient in adhesives.