2-Ethylhexanoic acid
Also known as: 2-Ethylcaproic acid, 2-Ethylhexoic acid, 2-Butylbutanoic acid, 2-ethyl-1-hexanoic acid, 2-ethyl-hexanoic acid, 2-ethylhexanoic, Ethylhexanoic acid, Ethylhexoic acid, Octanoic Acid, (RS)-2-Ethylhexanoic acid, (+/-)-2-ETHYLHEXANOIC ACID, 2-ETHYLCAPROIC ACID, 2-ETHYLCAPRONIC ACID, 2-ETHYLHEXOIC ACID, CARBOXYLIC ACID C8, EINECS 205-743-6, Hexanoic acid, 2-ethyl-, MFCD00002675, Neodymoctic acid, QVY4&2
2-Ethylhexanoic acid (CAS 149-57-5) 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 -59 °C, a boiling point of 228.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 116.6±6.9 °C. GHS signal word: Warning. It is listed by 1 supplier, from 0.15 to 200.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 149-57-5
- Jingsj CID
- J-1310144-4
- Molecular Formula
- C8H16O2
- Molecular Weight
- 144.211 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500ml | ¥75.00 | $0.02 /mlBest ¥0.15/ml CNY | CN China MOQ 500ml | |
In Stock | 色标 5ml | ¥100.00 | $2.99 /ml ¥20.00/ml CNY | CN China MOQ 5ml | |
In Stock | GR 2.5l | ¥385.00 | $23.05 /l ¥154.00/l CNY | CN China MOQ 2.5l |
Physicochemical Properties
| Melting Point | -59 °C |
|---|---|
| Boiling Point | 228.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 116.6±6.9 °C |
| Exact Mass | 144.115036 |
| PSA | 37.30000 |
| LogP | 2.72 |
| Additional Property | 4.98 (vs air) |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.435 |
| Additional Property | 2 g/L (20 ºC) |
GHS Safety & Compliance
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 2-Ethylhexanoic acid?
The CAS number of 2-Ethylhexanoic acid is 149-57-5.
What are the molecular formula and molecular weight of 2-Ethylhexanoic acid?
2-Ethylhexanoic acid has molecular formula C8H16O2 and molecular weight 144.211 g/mol.
Which suppliers offer 2-Ethylhexanoic acid?
1 supplier(s) listed; reference unit price ¥0.15–200.00 /ml.
Is 2-Ethylhexanoic acid hazardous?
2-Ethylhexanoic acid has GHS signal word Warning.
What are the upstream and downstream products of 2-Ethylhexanoic acid?
For 2-Ethylhexanoic acid, Upstream Products: 2-Ethylhexanal, 2-Ethylhexanol, Heptane; Downstream Products: 2-Ethylhexanoic anhydride, 2-Ethylhexanoyl chloride, Ethyl 2,2-diethylbutyrate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Ethylhexanoic acid (CAS 149-57-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310144-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.