Octanoic acid
Also known as: 1-HEPTANECARBOXYLIC ACID, Acid C8,Caprylic acid, CAPRYLIC ACID (C8), CAPRYLIC ACID NATURAL, CAPRYLICACID, EINECS 204-677-5, MFCD00004429, NATURAL CAPRYLIC ACID FEMA NO.2799, OCTANOIC ACID (CAPRYLIC), OCTANOIC ACID FOR SYNTHESIS, OCTANOIC ACID/CAPRYLIC ACID, OCTANOICACID, Octocapric Acid, Octylic acid, caprylic acid, heptane-7-carboxylic acid, n-Octanoic Acid, n-Octoic acid, n-caprylic acid, n-octylic acid
Octanoic acid (CAS 124-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16O2 and a molecular weight of 144.21100 g/mol. Key properties include a melting point of 16 °C, a boiling point of 237 ºC, a density of 0.91 g/mL at 25 °C(lit.) and a flash point of 130 ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 124-07-2
- Jingsj CID
- J-11456-7
- Molecular Formula
- C8H16O2
- Molecular Weight
- 144.21100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 16 °C |
|---|---|
| Boiling Point | 237 ºC |
| Density | 0.91 g/mL at 25 °C(lit.) |
| Flash Point | 130 ºC |
| Exact Mass | 144.11500 |
| PSA | 37.30000 |
| LogP | 2.43150 |
| Additional Property | 5 (vs air) |
| Vapor Pressure | 0.022mmHg at 25°C |
| Refractive Index | n20/D 1.428(lit.) |
| Additional Property | 0.68 g/L (20 ºC) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Octanoic acid?
The CAS number of Octanoic acid is 124-07-2.
What are the molecular formula and molecular weight of Octanoic acid?
Octanoic acid has molecular formula C8H16O2 and molecular weight 144.21100 g/mol.
Is Octanoic acid hazardous?
Octanoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Octanoic acid?
For Octanoic acid, Upstream Products: 1-Octanol, trans-2-Octenoic acid, 2-Octynoic acid; Downstream Products: Methyl perfluorooctanoate, Petroselinic acid, Perfluorooctanamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octanoic acid (CAS 124-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11456-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.