Ethyl hexanoate
Also known as: Ethyl caproate, Hexanoic acid ethyl ester, Caproic acid ethyl ester, Ethyl n-hexanoate, Ethyl butyl acetate, FEMA 2439
Ethyl hexanoate (CAS 123-66-0) 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 144.211 g/mol. Key properties include a melting point of -67°C, a boiling point of 167.9±3.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 49.4±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-66-0
- Jingsj CID
- J-1316043-5
- Molecular Formula
- C8H16O2
- Molecular Weight
- 144.211 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -67°C |
|---|---|
| Boiling Point | 167.9±3.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 49.4±0.0 °C |
| Exact Mass | 144.115036 |
| PSA | 26.30000 |
| LogP | 2.83 |
| Additional Property | 5 (vs air) |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.413 |
| Additional Property | INSOLUBLE |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Ethyl hexanoate?
The CAS number of Ethyl hexanoate is 123-66-0.
What are the molecular formula and molecular weight of Ethyl hexanoate?
Ethyl hexanoate has molecular formula C8H16O2 and molecular weight 144.211 g/mol.
Is Ethyl hexanoate hazardous?
Ethyl hexanoate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Ethyl hexanoate?
For Ethyl hexanoate, Upstream Products: Ethanol, Hexanoic acid, Hexylamine; Downstream Products: 6-Hexadecanone, 6-Undecanone, Carbon dioxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl hexanoate (CAS 123-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316043-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.