1-Docosanol
Also known as: Docosanol, Behenyl alcohol, Behenic alcohol, n-Docosanol, Docosan-1-ol, C22 alcohol, Docosanyl alcohol, Abreva, Lidakol
1-Docosanol (CAS 661-19-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C22H46O and a molecular weight of 326.600 g/mol. Key properties include a melting point of 65-72 °C(lit.), a boiling point of 375.9±5.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 142.5±5.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 661-19-8
- Jingsj CID
- J-8393-3
- Molecular Formula
- C22H46O
- Molecular Weight
- 326.600 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65-72 °C(lit.) |
|---|---|
| Boiling Point | 375.9±5.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 142.5±5.2 °C |
| Exact Mass | 326.354858 |
| PSA | 20.23000 |
| LogP | 10.44 |
| Vapor Pressure | 0.0±1.9 mmHg at 25°C |
| Refractive Index | 1.455 |
| Additional Property | Insoluble |
Activity & Biological Data
| Additional Information | [1]. Katz DH, et al. Antiviral activity of 1-docosanol, an inhibitor of lipid-enveloped viruses including herpes simplex. Proc Natl Acad Sci U S A. 1991 Dec 1;88(23):10825-9. [2]. Sacks SL, et al. Clinical efficacy of topical docosanol 10% cream for herpes simplex labialis: A multicenter, randomized, placebo-controlled trial. J Am Acad Dermatol. 2001 Aug;45(2):222-30. |
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Customs & Trade Information
| HS Code | 29051900 |
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Frequently Asked Questions
What is the CAS number of 1-Docosanol?
The CAS number of 1-Docosanol is 661-19-8.
What are the molecular formula and molecular weight of 1-Docosanol?
1-Docosanol has molecular formula C22H46O and molecular weight 326.600 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. "1-Docosanol (CAS 661-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8393-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.