Sorbitan monopalmitate
山梨醇酐单棕榈酸酯
Also known as: Span 40, Sorbitan palmitate, Span No. 40, Crill 2, Emsorb 2510, Glycomul P, Liposorb P, Montane 40, Arlacel 40, Sorgen 70
Sorbitan monopalmitate (CAS 26266-57-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H42O6 and a molecular weight of 402.565 g/mol. It is also known as Span 40, Sorbitan palmitate and Span No. 40. Key properties include a melting point of 46-47 °C(lit.), a boiling point of 558.2±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.4±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26266-57-9
- Jingsj CID
- J-1993360-1
- Molecular Formula
- C22H42O6
- Chinese Name
- 山梨醇酐单棕榈酸酯
- Molecular Weight
- 402.565 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 46-47 °C(lit.) |
|---|---|
| Boiling Point | 558.2±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 182.4±22.2 °C |
| Exact Mass | 402.298126 |
| PSA | 96.22000 |
| LogP | 6.59 |
| Vapor Pressure | 0.0±3.4 mmHg at 25°C |
| Refractive Index | 1.499 |
Activity & Biological Data
| Additional Information | [1]. Essa E A. Effect of formulation and processing variables on the particle size of sorbitan monopalmitate niosomes[J]. Asian Journal of Pharmaceutics (AJP), 2010, 4(4). [2]. Elder DP, et al. Pharmaceutical excipients - quality, regulatory and biopharmaceutical considerations. Eur J Pharm Sci. 2016 May 25;87:88-99. |
|---|
Customs & Trade Information
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Sorbitan monopalmitate?
The CAS number of Sorbitan monopalmitate is 26266-57-9.
What are the molecular formula and molecular weight of Sorbitan monopalmitate?
Sorbitan monopalmitate has molecular formula C22H42O6 and molecular weight 402.565 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sorbitan monopalmitate (CAS 26266-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993360-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.