Sorbitan monostearate CAS 1338-41-6

Overview of Sorbitan Monostearate
Sorbitan monostearate is an organic compound with the molecular formula C24H46O6. The pure product is in the form of beige flakes or brownish yellow wax. Non toxic. Relative density is 0.98~1.03. Insoluble in cold water, glycerol, ethanol, isopropanol, paraffin oil, soybean oil, and lard. Gel is formed in hot water, which can be dispersed in hot glycerin and turbid in hot xylene. It belongs to non-ionic surfactants. It is an oil in water emulsifier. The oral LD50 of its mice is greater than 15000 mg/kg, with an ADI value of 0-25 mg/kg. It is formed by esterification of stearic acid and sorbitol in the presence of sodium hydroxide, followed by bleaching and slicing
 

Sorbitan monostearate
 

 Properties of Sorbitan Monostearate 
Melting Point: 54-57 ° C (lit.)
Boiling Point: 464.84 ° C (roughestimate)
Density: 1.00
Vapour Pressure: <1.4hPa (20 ° C)
Refractive Index: 1.4593 (estimate)
Flash Point: >230 ° F
Storage Conditions: Store below+30 ° C
Solubility: Almost insoluble, but can be dispersed in water and slightly soluble in alcohol.
Acidity Coefficient (pKa): 13.63 at 20 ℃
Form: Solid color cream colored thin slice
Odor: Slight odor
Fragrance Type: Bland
Water Solubility: Double in ethanol (50mg/ml), isopropanol, mineral oil and vegetable oil, insolid in water
Stability: Stable, flammable, incompatible with strong oxidizing agents

Performance of Sorbitan Monostearate
Sorbitan monostearate is insoluble in water, soluble in hot ethanol, ether, methanol, and carbon tetrachloride, dispersed in warm water and benzene, insoluble in cold water and acetone. Freezing point 50-52 ℃, HLB value 4.7. It is a good W/O emulsification, with strong emulsification, dispersion, lubrication, is also a good stabilizer and unloading agent.

Production Methods of Sorbitan Monostearate
This product is a mixture of sorbitol, monohydrate, dihydrate, and stearic acid esters. The manufacturing method is to first dehydrate sorbitol at 150-152 ℃, and then esterify it with stearic acid under the catalysis of sodium bicarbonate; Or by α- Direct esterification of sorbitol and stearic acid at 180-280 ℃.

Technical Parameter of Sorbitan Monostearate

 Application of Sorbitan Monostearate 
Sipan 60 is mainly used in pharmaceuticals, cosmetics, food, pesticides, coatings, textiles, plastics as emulsifiers, stabilizers, and textile industries as anti-static agents and softeners.
Food grade Sorbitan Monostearate can be used as a food emulsifier in accordance with GB13481. It is used in the production of beverages, toffee, ice cream, bread, pastry, margarine, chocolate, etc., according to the limit of GB 2760.
 

Application of Sorbitan Monostearate
 

Industrial grade Sorbitan monostearate can be used as an emulsifier and stabilizer in cosmetics, as an antistatic agent of acrylic fiber and soft oiling agent in the textile industry.
It is used as anti-fogging drops for PVC, EVA, PE and other films, with a dosage of 1.5 ~ 1.8% in PVC and 0.7 ~ 1% in EVA.

The reasons of choosing us
 

Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Sorbitan Monostearate, please feel free to contact us or click on the needed products to send an inquiry. 
 

Company Profile
 

Packing of Sorbitan Monostearate
1kg/bottle, 25kg/barrel, or 200kg/ barrel.
We have many different kinds of packing which depend on the quantity.
 

Packing of Sorbitan Monostearate
 

Payment Methods of Sorbitan Monostearate
L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment of Sorbitan Monostearate
By sea, by air, by express as soon as possible once payment receipt.

FAQs of Sorbitan Monostearate

Q: What are the main applications of Sorbitan Monostearate?

A: Sorbitan Monostearate finds application in several key areas: Cosmetics and Personal Care: Used in creams, lotions, and hair products to improve texture, enhance emulsion stability, and provide conditioning effects. Food Industry: Functions as an emulsifier in baked goods, confectionery, and frostings to prevent oil separation and improve mouthfeel. Pharmaceuticals: Incorporated into topical medications and ointments for its emulsifying properties, aiding in the uniform dispersion of active ingredients. Industrial Applications: Utilized in paints, coatings, and adhesives as a stabilizer and dispersant to ensure even distribution of components. Cleaning Products: Added to detergents and cleaning agents to enhance foaming and grease removal capabilities.
 

Q: Is Sorbitan Monostearate safe for use in consumer products?

A: Yes, Sorbitan Monostearate is generally recognized as safe (GRAS) by regulatory bodies such as the U.S. Food and Drug Administration (FDA) for use in food products. In cosmetics and personal care items, it is considered safe when used according to established guidelines by organizations like the Cosmetic Ingredient Review (CIR) Expert Panel. However, individual sensitivity can vary, so patch testing is recommended if you have known allergies or particularly sensitive skin. Always follow safety data sheets (SDS) and local regulations for handling, storage, and disposal.
 

 Q: What are the advantages of using Sorbitan Monostearate over other emulsifiers?

A: The advantages of using Sorbitan Monostearate include: Emulsion Stability: Provides excellent emulsion stability, reducing phase separation in formulations that contain both water and oil components. Versatility: Suitable for a wide range of applications across different industries due to its effective emulsifying and stabilizing properties. Mildness: Generally mild on skin and eyes, making it suitable for use in personal care products intended for sensitive users. Biodegradability: Exhibits good biodegradability, contributing to reduced environmental impact compared to some synthetic alternatives. Compatibility: Shows good compatibility with a variety of other ingredients, allowing for flexible formulation design.
 

Q: How should Sorbitan Monostearate be stored and handled?

A: Proper storage and handling practices for Sorbitan Monostearate include: Storage Conditions: Store in a cool, dry place away from direct sunlight and heat sources to prevent degradation and maintain quality. Sealed Containers: Keep in tightly sealed containers to avoid contamination and oxidation, preserving the product's integrity. Compatibility: Be aware of potential incompatibilities with certain preservatives or active ingredients; always test formulations for stability. Personal Protection: Wear appropriate personal protective equipment (PPE) such as gloves and goggles when handling large quantities in industrial settings to protect against skin and eye irritation. Disposal: Dispose of any unused product according to local regulations for chemical waste management, ensuring responsible environmental practices.