11-Hydroxyundecanoic acid
Also known as: Undecanoic acid, 11-hydroxy-, 11-Hydroxy-undecansaeure, 11-Hydroxy-undecylsaeure, MFCD00041564, EINECS 222-932-9
11-Hydroxyundecanoic acid (CAS 3669-80-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H22O3 and a molecular weight of 202.29100 g/mol. Key properties include a melting point of 65-69 °C, a boiling point of 345ºC at 760mmHg, a density of 1g/cm3 and a flash point of 176.7ºC. 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.
- 3669-80-5
- Jingsj CID
- J-20644-0
- Molecular Formula
- C11H22O3
- Molecular Weight
- 202.29100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65-69 °C |
|---|---|
| Boiling Point | 345ºC at 760mmHg |
| Density | 1g/cm3 |
| Flash Point | 176.7ºC |
| Exact Mass | 202.15700 |
| PSA | 57.53000 |
| LogP | 2.57420 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。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 11-Hydroxyundecanoic acid?
The CAS number of 11-Hydroxyundecanoic acid is 3669-80-5.
What are the molecular formula and molecular weight of 11-Hydroxyundecanoic acid?
11-Hydroxyundecanoic acid has molecular formula C11H22O3 and molecular weight 202.29100 g/mol.
Is 11-Hydroxyundecanoic acid hazardous?
11-Hydroxyundecanoic 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 11-Hydroxyundecanoic acid?
For 11-Hydroxyundecanoic acid, Upstream Products: 10-Undecynoic acid, 11-Bromoundecanoic acid, cis-11-tetradecen-1-ol; Downstream Products: Eicosanedioic acid, Decan-1-ol, 9-Decen-1-ol.
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-Hydroxyundecanoic acid (CAS 3669-80-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20644-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.