Dehydroabietic acid
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. 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. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1740-19-8
- Jingsj CID
- J-39716-0
- Molecular Formula
- C20H28O2
- Molecular Weight
- 300.435 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174-176ºC |
|---|---|
| Boiling Point | 425.1±34.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 202.5±20.3 °C |
| Exact Mass | 300.208923 |
| PSA | 37.30000 |
| LogP | 6.35 |
| Appearance | NA |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.540 |
| Storage Conditions | ?20°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Fonseca T, et al. Synthesis and antiviral evaluation of benzimidazoles, quinoxalines and indoles from dehydroabietic acid. Bioorg Med Chem. 2004 Jan 2;12(1):103-12. |
|---|
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 and hazard statements H301 — Toxic if swallowed; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Dehydroabietic acid?
For Dehydroabietic acid, Upstream Products: Methyl dehydroabietate, Abietic acid, Geranyl acetate; Downstream Products: Retene, Ecabet, Methyl dehydroabietate.
Data compiled from public chemical databases such as PubChem 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-39716-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.