1338-43-8

Basic information

• Product Name: Span 80
• Synonyms: armotanmo;emsorb2500;EmulsifierS80;glycomulo;ionets80;ionets-80;liposorbo;liposorbo-20
• CAS NO: 1338-43-8
• Molecular Formula: C24H44O6
• Molecular Weight: 428.6
• EINECS: 215-665-4
• Product Categories: Ester Type (Surfactants);Functional Materials;Nonionic Surfactants;Surfactants;emulsifier
• Mol File: 1338-43-8.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 463.43°C (rough estimate)
• Flash Point: >230 °F
• Appearance: Yellow/Viscous Liquid
• Density: 0.986 g/mL at 25 °C(lit.)
• Vapor Pressure: 7.87E-16mmHg at 25°C
• Refractive Index: n20/D 1.48(lit.)
• Storage Temp.: Store below +30°C.
• Solubility: Practically insoluble but dispersible in water, soluble in fatty oils producing a hazy solution, miscible with alcohol.
• Water Solubility: Soluble in ethanol at 50mg/mlMiscible with water, ethanol, isopropanol and ether. Insoluble in acetone.
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
• Merck: 13,8796
• BRN: 8172514
• CAS DataBase Reference: Span 80(CAS DataBase Reference)
• NIST Chemistry Reference: Span 80(1338-43-8)
• EPA Substance Registry System: Span 80(1338-43-8)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 1
• RTECS: WG2932400
• TSCA: Yes
• Hazardous Substances Data: 1338-43-8(Hazardous Substances Data)

Usage

Uses

Different sources of media describe the Uses of 1338-43-8 differently. You can refer to the following data:
1. 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.
2. Lonzest(R) SMO-EG is a liquid sorbitan ester. This liquid sorbitan ester functions as a low HLB nonionic emulsifier. This product is well suited for a broad number of applications including as in emulsifier in explosives.
3. use: As emulsifiers, stabilizers, and thickeners in foods, cosmetics, and medicinal products. In the textile industry as fiber lubricants and softeners. Pharmaceutic aid (surfactant).
4. sorbitan oleate is a mild emulsifier derived from sugar.

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.

InChI:InChI=1/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

Related news

Characterization of the addition of lipophilic Span 80 (cas 1338-43-8) to the hydrophilic Tween 80-stabilized emulsions09/07/2019

Tween 80 was used as surfactant to create Tween 80-stabilized emulsions, and the consequences of the addition of Span 80 to the emulsions were examined. The conductivities and bottle tests of the emulsion system were monitored in the process to detect the phase inversions. The infrared (IR) spec...detailed

The commonly used nonionic surfactant Span 80 (cas 1338-43-8) has RXRα transactivation activity, which likely increases the obesogenic potential of oil dispersants and food emulsifiers09/04/2019

Obesity has reached pandemic proportions, and there is mounting evidence that environmental exposures to endocrine disrupting chemicals known as “obesogens” may contribute to obesity and associated medical conditions. The Deepwater Horizon (DWH) oil spill resulted in a massive environmental re...detailed

Membrane interaction between Span 80 (cas 1338-43-8) vesicle and phospholipid vesicle (liposome): Span 80 (cas 1338-43-8) vesicle can perturb and hemifuse with liposomal membrane09/02/2019

We have focused on the interaction between the Span 80 vesicle and phospholipid vesicle (liposome). The Span 80 vesicle was mixed with a phospholipid vesicle (liposome), used as a simplified model of plasma membrane. From calcein leakage experiments, it was revealed that the interaction between ...detailed

Separation of sodium lactate from Span 80 (cas 1338-43-8) and SDS surfactants by ultrafiltration09/01/2019

The ultrafiltration process for separation of sodium lactate from sorbitan monooleate (Span 80) and sodium dodecyl sulfate (SDS) surfactants using ZrO2 flat-disc ultrafiltration membranes was studied in this work. The study is focused on the influence of the nominal molecular weight limit of the...detailed

Research paperUse of Span 80 (cas 1338-43-8) and Tween 80 for blending gasoline and alcohol in spark ignition engines08/31/2019

Span 80 and Tween 80 are biodegradable surfactants that can be added to blended fuels such as hydrated bioethanol–gasoline and methanol–gasoline. They increase the fuels’ water tolerance and reduce their corrosive properties, without altering their fuel characteristics. For this study, a mixt...detailed

Full length articleSuperhydrophilic and mechanical robust PVDF nanofibrous membrane through facile interfacial Span 80 (cas 1338-43-8) welding for excellent oil/water separation08/30/2019

We report a novel and facile welding strategy using Span 80 to simultaneously enhance the mechanical robustness and superhydrophilicity of an electrospun poly(vinylidene fluoride) (PVDF) nanofibrous membrane. By taking advantage of its amphiphilic property, Span 80 micelle is able to attach PVDF...detailed