Sorbitan Monooleate

Sorbitan monooleate is a type of monoester that comes from combining oleic acid and hexitol anhydrides. These anhydrides are made from sorbitol. It is usually amber in color. It has oily, and viscous liquid with distinctive characteristics. It's a type of ester that's also classified as a fatty acid. It has many uses across different industries, but one particularly noteworthy application is as an emulsifier in drilling fluids.

Sorbitan Monooleate

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Sorbitan Monooleate

Sorbitan Monooleate

It’s really important in the oil and gas industry because it helps mix things together in drilling fluids. During drilling operations, drilling mud fluids are used to lubricate the drill bit, transport drill cuttings to the surface, and maintain the stability of the borehole.

It helps mix different components evenly in drilling fluids by working as a good emulsifying agent. It helps keep the drilling fluid’s oil and water phases from separating while also maintaining the desired viscosity by creating stabilizing emulsions..


Names and Identifiers

There are a number of different names for sorbitan monooleate on the market. Someone who is fresh to the field can stumble upon alternative names for it and get perplexed in knowing what is sorbitan monooleate. In order to clear up any misunderstandings, we provide a list of the potential names, the chemical formula, and any additional identifiers.

Molecular Formula

The chemical composition of Sorbitan Oleate is represented by the formula C24H44O6. It is made up of 24 carbon atoms, 44 hydrogen atoms, and 6 oxygen atoms. It is a member of the sorbitan ester family of chemical compounds. Sorbitan is it’s the parent compound.

The Sorbitan Oleate molecule has the chemical formula C24H44O6, which indicates that it is a reasonably big molecule. Sorbitan monooleate structure plays a role in the qualities and usefulness. The presence of oxygen atoms contributes to the molecule’s polar features, while the presence of carbon and hydrogen atoms shows that the molecule has a hydrophobic, or water-repelling, nature. It is able to function as an emulsifier in drilling fluids as a result of the molecular formula that it has.


Other Identifiers

The Chemical Abstracts Service assigns the identification number 1338-43-8 to the compound known as sorbitan monooleate. CAS is an official repository of information that has been revealed on chemical substances.  For the purposes of substance regulation, it has been assigned the EC Number of 618-490-5. It has the E-494 additive number, which indicates that it may be used in many applications. The identification number that was assigned to it by the CompTox Chemicals Dashboard was DTXSID6027397.


It is also called sorbitan oleate. Created by combining sorbitan, a type of polyol made from sorbitol, with oleic acid, a monounsaturated fatty acid. The result is a sorbitan ester. Sorbitan oleate is similar to Sorbitan Oleate in that it can help mix and stabilize ingredients.

Span 80 is a type of sorbitan monooleate that is sold under a particular brand name in the commercial market. This means that it is basically the same thing as sorbitan monooleate, which is a particular form of this substance. Many industries use Span 80 because it can help stabilize and emulsify substances. The food industry often uses it as an emulsifying agent in ice cream, salad dressings, and baked goods. Span 80 is used in the pharmaceutical and cosmetic sectors to help produce stable emulsions and improve the effectiveness of products.



Technical Information of Sorbitan Monooleate

Sorbitan monooleate is a substance that has many uses in different industries because it can help stabilize and emulsify things. Let’s take a closer look at sorbitan monooleate, also known as Sorbitan Oleate span 80.

Chemical and Physical Properties

Sorbitan monooleate looks like a liquid that ranges from yellow to amber. This visual trait shows how it looks when it’s at room temperature. The temperature at which sorbitan monooleate boils is about 579.3 °C. Sorbitan monooleate synthesis is stable at high temperatures. Has a density is 1.068 g/cm3. It works in formulas well and sorbitan monooleate solubility mixes with other substances in drilling mud fluid.

Sorbitan monooleate is thought to have a molar mass of about 428.61 g/mol. This number tells you how much one mole of the molecule weighs and helps you understand its stoichiometry and do different math. 1.48 n/D is the number used to measure the refractive index of sorbitan monooleate.

The topological polar surface area of Sorbitan Oleate is 96,22. This number shows how many polar or charged areas are on the surface of the sorbitan monooleate molecule, which can change how it reacts with other substances, especially when used as an emulsifier. Sorbitan monooleate has 30 atoms that aren’t hydrogen.


Advantages of Sorbitan Monooleate

Sorbitan monooleate is excellent for stabilizing emulsions because it acts as a buffer between oil and water, preventing their mixture. It maintains the integrity and stability of products over time and prevents the phases from separating. This stability is crucial for ensuring the product’s quality, appearance, and performance.

Sorbitan monooleate is compatible with a variety of substances, including lubricants, water, detergents, and hydrophilic or lipophilic substances. This adaptability enables the formulation of complex mixtures and the addition of multiple active ingredients, resulting in multipurpose products.

Use and Manufacturing

Span 80 sorbitan monooleate is largely used in the capacity of an emulsifier and stabilizer during the manufacturing process of a wide range of goods by a number of different industries. To make sorbitan monooleate, sorbitan, which comes from sorbitol, is esterified with oleic acid. Sorbitan monooleate is the end product. Only Sorbitan Oleate of the highest quality is manufactured at Zhejiang Camp-Shinning.

What are some products that may contain Sorbitan monooleate?

Sorbitan monooleate uses as an emulsifier finds widespread use in a broad range of food preparations. Its role as an emulsifier makes it simpler for the product’s components to be spread equally throughout the product. Lotions and ointments are where this component shines the brightest as a product of its principal use. It helps to stabilize emulsions and makes the administration of active therapeutic substances via the topical route go more smoothly.

Non-cosmetic use Sorbitan Monooleate

One important use for it is in drilling fluids, where it is used as an emulsifier and a stabilizer. Sorbitan monooleate suppliers like Zhejiang Camp-Shinning know that it helps drilling operations go smoothly by preserving stable emulsions, which is a key factor in ensuring that oil extraction procedures are carried out in an efficient and effective manner.


Instructions on Use and Storage

Sorbitan monooleate is often marketed in barrels with a capacity of either 200 kilograms or 1000 kilograms, sometimes known as intermediate bulk containers (IBCs). It is possible to provide various packaging choices upon request in order to cater to certain requirements and demands.

Take into account the parameters of your formulation as you carefully measure out the necessary quantity of Sorbitan Oleate. To determine the appropriate dose or formulation, Zhejiang Camp-Shinning recommends that users either follow the use instructions that are supplied by the company or speak with industry professionals.

Store sorbitan monooleate in an area that is dry and at the same temperature as the surrounding air. Exposure to moisture has the potential to degrade both the product’s quality and its functionality. Ensure that it remains dry at all times is an absolute need. AAvoid exposing the product to excessive amounts of humidity or water since doing so may cause it to agglomerate or degrade. This might have a negative impact on the product’s quality.

UV rays may also cause premature aging of the substance. Put it someplace that is shaded or keep it in containers that are opaque to prevent it from being affected by the light of the sun. Around one year is the typical amount of time that sorbitan monooleate may be stored after it has been manufactured but before it is utilized. It is of the utmost importance to bear in mind, however, that the shelf life is variable and may alter based on the conditions of storage as well as the quality of the packing.

How can you avoid contact with Sorbitan monooleate?

Despite the fact that sorbitan monooleate is generally regarded as non-irritating to the skin and eyes and is not a skin sensitizer, it is recommended to minimize contact and ensure safety. It is recommended to don protective gear when handling sorbitan monooleate.

Create a barrier between the substance and epidermis, eyes, and clothing. PPE aids in minimizing direct contact and reduces the likelihood of adverse effects. Consider using local exhaust ventilation systems or working near open windows or doorways to improve circulation and reduce exposure when working in an enclosed space.


Sorbitan Monooleate

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