11-Heneicosanone
Also known as: 11-Henicosanone, 11-henicosanone, Didecyl Ketone, Didecyl ketone, Didecylketon, Di-n-decyl ketone, di-n-Decyl ketone, Heneicosan-11-one, heneicosan-11-one, henicosan-11-one, di-decyl ketone
11-Heneicosanone (CAS 19781-72-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H42O and a molecular weight of 310.55800 g/mol. Key properties include a melting point of 64°C, a boiling point of 378.5ºC at 760mmHg, a density of 0.834g/cm3 and a flash point of 77.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19781-72-7
- Jingsj CID
- J-11446-6
- Molecular Formula
- C21H42O
- Molecular Weight
- 310.55800 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 64°C |
|---|---|
| Boiling Point | 378.5ºC at 760mmHg |
| Density | 0.834g/cm3 |
| Flash Point | 77.6ºC |
| Exact Mass | 310.32400 |
| PSA | 17.07000 |
| LogP | 7.61710 |
| Vapor Pressure | 6.28E-06mmHg at 25°C |
| Refractive Index | 1.446 |
Customs & Trade Information
| HS Code | 2914190090 |
|---|---|
| Summary | 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 11-Heneicosanone?
The CAS number of 11-Heneicosanone is 19781-72-7.
What are the molecular formula and molecular weight of 11-Heneicosanone?
11-Heneicosanone has molecular formula C21H42O and molecular weight 310.55800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "11-Heneicosanone (CAS 19781-72-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11446-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.