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Span 80

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Name

Span 80

EINECS 215-665-4
CAS No. 1338-43-8 Density 1.068 g/cm3
PSA 96.22000 LogP 4.04860
Solubility Soluble in ethanol at 50mg/mlMiscible with water, ethanol, isopropanol and ether. Insoluble in acetone. Melting Point 0.986oC
Formula C24H44O6 Boiling Point 579.3 °C at 760 mmHg
Molecular Weight 428.61 Flash Point 186.2 °C
Transport Information N/A Appearance liquid
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 1338-43-8 (Span 80) Hazard Symbols N/A
Synonyms

9Z-Octadecenoic acid;Extra Olein A 1981;Lunac O-V;Lunac OA;ML 55F;Sorbitan oleate;Span 80;

 

Span 80 Consensus Reports

Reported in EPA TSCA Inventory.

Span 80 Specification

The Sorbitan monooleate is an organic compound with the formula C24H44O6. The IUPAC name of this chemical is [2-(3,4-dihydroxyoxolan-2-yl)-2-hydroxyethyl] octadec-9-enoate. With the CAS registry number 1338-43-8, it is also named as sorbitan oleate. The product's categories are Ester Type (Surfactants); Functional Materials; Nonionic Surfactants; Surfactants. Besides, it should be stored in a closed cool and dry place. It is used as emulsifier, stabilizer, thickener, wetting agent in medicine, textiles and cosmetics, and also used as dispersant, oil emulsifier in the paint industry.

Physical properties about Sorbitan monooleate are:
(1)ACD/LogP: 7.14; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.14; (4)ACD/LogD (pH 7.4): 7.14; (5)#H bond acceptors: 6; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 22; (8)Polar Surface Area: 96.22 Å2; (9)Index of Refraction: 1.506; (10)Molar Refractivity: 119.22 cm3; (11)Molar Volume: 401 cm3; (12)Polarizability: 47.26×10-24cm3; (13)Surface Tension: 44.9 dyne/cm; (14)Density: 1.068 g/cm3; (15)Flash Point: 186.2 °C; (16)Enthalpy of Vaporization: 99.52 kJ/mol; (17)Boiling Point: 579.3 °C at 760 mmHg; (18)Vapour Pressure: 7.87E-16 mmHg at 25°C.

Preparation of Span 80:
Span 80can be prepared by Sorbitan and oleic acid.


You can still convert the following datas into molecular structure:
(1)SMILES:O[C@H](COC(=O)CCCCCCCC=CCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1O;
(2)Std. InChI:InChI=1S/C24H44O6/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-22(27)29-19-21(26)24-23(28)20(25)18-30-24/h9-10,20-21,23-26,28H,2-8,11-19H2,1H3/t20-,21+,23+,24+/m0/s1;
(3)Std. InChIKey:NWGKJDSIEKMTRX-XWVZOOPGSA-N.

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