Span 80
Synonym(s):Sorbitan monooleate;Sorbitan monooleate, (Z)-Sorbitan mono-9-octadecenoate;sorbitan oleate;Sorbitane monooleate;Span 80
- CAS NO.：1338-43-8
- Empirical Formula: C24H44O6
- Molecular Weight: 428.6
- MDL number: MFCD00080948
- EINECS: 215-665-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-20 15:44:42
What is Span 80?
Chemical properties
Brownish-yellow, viscous liquid.
The Uses of Span 80
Span 80 is a low HLB surfactant suggested for use as a w/o emulsifier or as an o/w emulsifier for use in cosmetic formulations, oil field chemicals, plastics, household products, coatings and textiles.
The Uses of Span 80
use: As emulsifiers, stabilizers, and thickeners in foods, cosmetics, and medicinal products. In the textile industry as fiber lubricants and softeners. Pharmaceutic aid (surfactant).
The Uses of Span 80
sorbitan oleate is a mild emulsifier derived from sugar.
Definition
ChEBI: Sorbitan monooleate is a fatty acid ester.
General Description
Span 80 is a nonionic surfactant.
Safety Profile
A skin irritant. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Property
The hydrophilic-lipophilic balance value (HLB value) of the Span 80 is 4.3, and the Span 80 can be mixed and dissolved with oil to form a water-in-oil (W/O) emulsifier. It is a non-ionic surfactant and has excellent emulsifying, dispersing, foaming, moistening and other performance.
Preparation
Span 80 is also called Span-80, chemical name is sorbitan monooleate, which is formed by esterifying sorbitan after dehydration and oleic acid.
Properties of Span 80
| Boiling point: | 463.43°C (rough estimate) |
| Density | 0.986 g/mL at 25 °C(lit.) |
| vapor pressure | <1.4 hPa (20 °C) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Practically insoluble but dispersible in water, soluble in fatty oils producing a hazy solution, miscible with alcohol. |
| form | Viscous Liquid |
| color | Yellow |
| Specific Gravity | 0.986 |
| Odor | at 100.00 %. fatty oily waxy |
| Water Solubility | Soluble in ethanol at 50mg/mlMiscible with water, ethanol, isopropanol and ether. Insoluble in acetone. |
| Merck | 13,8796 |
| BRN | 8172514 |
| Hydrophilic-Lipophilic Balance (HLB) | 4.3 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 1338-43-8(CAS DataBase Reference) |
| EPA Substance Registry System | Sorbitan monooleate (1338-43-8) |
Safety information for Span 80
Computed Descriptors for Span 80
| InChIKey | MPZLHRXPRGLWEB-AAZCQSIUSA-N |
Span 80 manufacturer
Spak Orgochem (India) Pvt. Ltd.
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