Sorbitan monooleate

山梨醇酐单油酸酯

Also known as: Span 80, Sorbitan Monooleate, Sorbitane monooleate, Sorbitan oleate, (R)-1-((2S,3R,4S)-3,4-Dihydroxytetrahydrofuran-2-yl)-2-hydroxyethyl oleate, Oleic acid compound with (2R,3R,4S)-2-((R)-1,2-dihydroxyethyl)tetrahydrofuran-3,4-diol, armotanmo, glycomulo, ionets80, ml33f, ml55f, mo33f, montan80, o250, sorgen40, EINECS 215-665-4, MFCD00080948

Sorbitan monooleate (CAS 1338-43-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H44O6 and a molecular weight of 428.603 g/mol. It is also known as Span 80, Sorbitan Monooleate and Sorbitane monooleate. Key properties include a melting point of 0.986ºC, a boiling point of 579.3±50.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 186.2±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1338-43-8
Jingsj CID
J-18808-5
Molecular Formula
C24H44O6
Chinese Name
山梨醇酐单油酸酯
Molecular Weight
428.603 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point0.986ºC
Boiling Point579.3±50.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point186.2±23.6 °C
Exact Mass428.313782
PSA96.22000
LogP7.14
Vapor Pressure0.0±3.6 mmHg at 25°C
Refractive Index1.506

Activity & Biological Data

Additional Information[1]. Deng H, et al. UV resistance, anticorrosion and high toughness bio-based waterborne polyurethane enabled by a Sorbitan monooleate[J]. Chemical Engineering Journal, 2022, 446: 137124. [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 Code34021300

Frequently Asked Questions

What is the CAS number of Sorbitan monooleate?

The CAS number of Sorbitan monooleate is 1338-43-8.

What are the molecular formula and molecular weight of Sorbitan monooleate?

Sorbitan monooleate has molecular formula C24H44O6 and molecular weight 428.603 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Sorbitan monooleate (CAS 1338-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18808-5 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.