10-Undecynoic acid
Also known as: 10-UNDECYNOIC ACID, undec-10-ynoic acid, 10-HENDECYNOIC ACID, undec-1-yn-11-oic acid, undeca-10-ynoic acid, Hendecynoic acid, 10-udecynoic acid
10-Undecynoic acid (CAS 2777-65-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18O2 and a molecular weight of 182.259 g/mol. Key properties include a melting point of 40-42 °C(lit.), a boiling point of 297.7±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 142.9±17.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2777-65-3
- Jingsj CID
- J-1516376-5
- Molecular Formula
- C11H18O2
- Molecular Weight
- 182.259 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-42 °C(lit.) |
|---|---|
| Boiling Point | 297.7±23.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 142.9±17.3 °C |
| Exact Mass | 182.130676 |
| PSA | 37.30000 |
| LogP | 3.14 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.468 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916190090 |
|---|---|
| Summary | 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 10-Undecynoic acid?
The CAS number of 10-Undecynoic acid is 2777-65-3.
What are the molecular formula and molecular weight of 10-Undecynoic acid?
10-Undecynoic acid has molecular formula C11H18O2 and molecular weight 182.259 g/mol.
Is 10-Undecynoic acid hazardous?
10-Undecynoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 10-Undecynoic acid?
For 10-Undecynoic acid, Upstream Products: Methyl 10-undecenoate, 10-Undecenoic acid, Methyl 10-undecynoate; Downstream Products: 11-Hydroxyundecanoic acid, 16-Hydroxyhexadecanoic acid, 10,12-Docosadiynedioic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "10-Undecynoic acid (CAS 2777-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516376-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.