Naphthenic acids
Also known as: petroleum acids, NAPHTHENIC ACID, agenap, naphid, sunapticacidb, 3-NAPHTHENIC ACID, carboxylicacids,naphthenic
Naphthenic acids (CAS 1338-24-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H18O2 and a molecular weight of 170.249 g/mol. Key properties include a boiling point of 268.2±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 127.4±9.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1338-24-5
- Jingsj CID
- J-50435-7
- Molecular Formula
- C10H18O2
- Molecular Weight
- 170.249 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 268.2±8.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 127.4±9.8 °C |
| Exact Mass | 170.130676 |
| LogP | 3.30 |
| Appearance | Liquid | Clear colorless to yellow-brown |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.460 |
| Additional Property | -30~-36℃ |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
Frequently Asked Questions
What is the CAS number of Naphthenic acids?
The CAS number of Naphthenic acids is 1338-24-5.
What are the molecular formula and molecular weight of Naphthenic acids?
Naphthenic acids has molecular formula C10H18O2 and molecular weight 170.249 g/mol.
Is Naphthenic acids hazardous?
Naphthenic acids has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Naphthenic acids (CAS 1338-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50435-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.