Undecane
Also known as: ALKANE C11, EINECS 214-300-6, HENDECANE, Hendecane, MFCD00008959, N-HENDECANE, UNDECANE, Undecane [Standard Material], hendecane(undecane), n-C11H24, n-Hendecane, n-Undecane, n-Undecane,Hendecane, undecane, undecanenormal
Undecane (CAS 1120-21-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H24 and a molecular weight of 156.31 g/mol. Key properties include a melting point of −26 °C(lit.), a boiling point of 196.3±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of 60.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H304. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1120-21-4
- Jingsj CID
- J-33352-6
- Molecular Formula
- C11H24
- Molecular Weight
- 156.31 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −26 °C(lit.) |
|---|---|
| Boiling Point | 196.3±3.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | 60.0±0.0 °C |
| Exact Mass | 156.187805 |
| LogP | 6.60 |
| Additional Property | 5.4 (vs air) |
| Vapor Pressure | 0.6±0.2 mmHg at 25°C |
| Refractive Index | 1.419 |
| Additional Property | IMMISCIBLE |
GHS Safety & Compliance
- H304
Activity & Biological Data
| Additional Information | [1]. Choi D, Kang W, Park T. Anti-Allergic and Anti-Inflammatory Effects of Undecane on Mast Cells and Keratinocytes. Molecules. 2020;25(7):1554. Published 2020 Mar 28. |
|---|
Customs & Trade Information
| HS Code | 2901100000 |
|---|---|
| Summary | 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Undecane?
The CAS number of Undecane is 1120-21-4.
What are the molecular formula and molecular weight of Undecane?
Undecane has molecular formula C11H24 and molecular weight 156.31 g/mol.
Is Undecane hazardous?
Undecane has GHS signal word Danger and hazard statements H304.
What are the upstream and downstream products of Undecane?
For Undecane, Upstream Products: 1-Dodecanol, Lauric acid, 1-Undecanol; Downstream Products: 5-Undecanone, Undecanal, Nonanoic 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. "Undecane (CAS 1120-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33352-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.