Dehydroabietic acid

脱氢枞酸

Also known as: Abieta-8,11,13-trien-18-oic acid, Dehydroabietate, (1R,4aS,10aR)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid, 1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-, (1R,4aS,10aR)-, 13-isopropylpodocarpa-8,11,13-trien-15-oic acid

Dehydroabietic acid (CAS 1740-19-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H28O2 and a molecular weight of 300.435 g/mol. It is also known as Abieta-8,11,13-trien-18-oic acid, Dehydroabietate and (1R,4aS,10aR)-7-isopropyl-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carboxylic acid. Key properties include a melting point of 174-176ºC, a boiling point of 425.1±34.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 202.5±20.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1740-19-8
Jingsj CID
J-39716-6
Molecular Formula
C20H28O2
Chinese Name
脱氢枞酸
Molecular Weight
300.435 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point174-176ºC
Boiling Point425.1±34.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point202.5±20.3 °C

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Dehydroabietic acid?

The CAS number of Dehydroabietic acid is 1740-19-8.

What are the molecular formula and molecular weight of Dehydroabietic acid?

Dehydroabietic acid has molecular formula C20H28O2 and molecular weight 300.435 g/mol.

Is Dehydroabietic acid hazardous?

Dehydroabietic acid has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Dehydroabietic acid (CAS 1740-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39716-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.