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| Catalog Number | CI-SC-0207 |
| Product Name | Sorbitan Oleate |
| CAS | 1338-43-8 |
| Structure |  |
| Synonyms | Span 80;Sorbitan esters, mono(Z)-9-octadecenoate;Sorbitan, mono-(9Z)-9-octadecenoate;Sorbitan, mono-9-octadecenoate, (Z)-;Sorbitan, monooleate;Sorbitan monooleate;Anhydrosorbitol monooleate |
| Description | Non-ionic, vegetable-based, PEG-free liquid emulsifier. HLB value 4.3 (gives water-in-oil emulsions) |
| IUPAC Name | [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] (Z)-octadec-9-enoate |
| Molecular Weight | 428.6 g/mol |
| Molecular Formula | C24H44O6 |
| Canonical SMILES | CCCCCCCC/C=C\CCCCCCCC(=O)OC[C@H]([C@@H]1[C@@H]([C@H](CO1)O)O)O |
| InChI | NWGKJDSIEKMTRX-AAZCQSIUSA-N |
| InChI Key | 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/b10-9-/t20-,21+,23+,24+/m0/s1 |
| Boiling Point | 463 °C |
| Density | 0.986 g/mL |
| Solubility | Disperses in water |
| Appearance | Yellow to amber viscous liquid, bland odor |
| Application | Lotions, creams, ointments, balms. |
| Storage | Store in a closed container at a dry place at room temperature |
| Composition | Sorbitan oleate |
| Features And Benefits | Vegetable-based emulsifier and co-emulsifier for making stable water-in-oil creams and lotionsCompatible with all kinds of cosmetic oils and active ingredientsVery pleasant application propertiesOften used with polysorbates or other high HLB emulsifiers |
| GMO | GMONo data available |
| HS Code | 3402130000 |
| INCI | Sorbitan oleate |
| Manufacture | Sorbitan oleate is produced by esterification of sorbitan with oleic acid in a solvent-free mixture of fatty acids and molten anhydrous sorbitol with chemical catalysts. |
| Preservation | Preservative-free |
| Purity Grade | No purity grade applicable |
| Raw Material Source | Sorbitol, oleic acid |
| Uses | Can be added to formulas as is. Typical use level 2 - 10%. For external use only. |
Sorbitan Oleate serves as an effective oil-in-water emulsifier, characterized by its low HLB of 4.3, making it a versatile component in the formulation of various personal care products. This viscous, gold-colored liquid, derived from vegetable-based oleic acid, is designed to optimize emulsification properties, particularly when used alongside ethoxylated sorbitan esters such as Polysorbate 80. Its compatibility with hydrocarbons and seed oils further enhances its application in dispersible bath oils. As a co-emulsifier, Sorbitan Oleate is invaluable in the formulation of lotions and emulsion-based products, facilitating a broad emulsification range. Known for its low toxicity and non-irritating properties, it is widely utilized as an emulsifier and stabilizer in oil-based lotions, creams, ointments, and a variety of solid personal care formulations.
What is Sorbitan Oleate, and what are its primary uses?
Sorbitan Oleate is a partial oleic acid ester with sorbitol and its mono- and dianhydrides, derived from naturally renewable resources. It appears as a gold-colored viscous liquid that is sourced from vegetable-based oleic acid. Its primary use is as an emulsifier, specifically a powerful and cost-effective oil-in-water emulsifier (lipophilic surfactant) with a low HLB of 4.3. It is used in combination with ethoxylated sorbitan ester (polysorbate) counterparts in formulations such as lotions, creams, ointments, and other emulsion-based products.
How does Sorbitan Oleate function in emulsions?
Sorbitan Oleate serves as an oil-in-water emulsifier and is frequently paired with Polysorbate 80 to enhance its emulsification properties, making it ideal for dispersible bath oils. Its effectiveness is attributed to its ability to blend with botanical, mineral oils, and silicone emulsions, thus making it a versatile component in a wide range of personal care formulations.
What are the advantages of using Sorbitan Oleate in formulations?
The advantages of using Sorbitan Oleate include its powerful emulsification properties, which allow for a wide range of applications in oil-in-water emulsions. Additionally, Sorbitan Oleate is known for its low toxicity and lack of skin irritation, making it safe for use in personal care products. Its compatibility with various oils and its effectiveness as a co-emulsifier enhance its utility in creating stable and efficient formulations.
Is Sorbitan Oleate safe for the skin?
Yes, Sorbitan Oleate is regarded as safe for the skin. It is noted for its low toxicity and lack of skin irritation characteristics, which makes it suitable for personal care formulations targeting a broad audience. It is especially useful in products where mildness is a key factor.
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