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Sorbitan Monostearate, commonly known as Span 60, is a nonionic surfactant and emulsifier derived from the esterification of sorbitol with stearic acid.
Sorbitan Monostearate (Span 60) is widely used in cosmetic, food, and pharmaceutical formulations due to its ability to stabilize emulsions and enhance texture.
Sorbitan Monostearate (Span 60) is valued for its mildness and effectiveness in forming stable water-in-oil emulsions, making it ideal for a variety of applications.
CAS Number: 1338-41-6
EC Number: 215-664-9
Molecular Formula: C24H46O6
Molecular Weight: 430.62 g/mol
Synonyms: Sorbitan Monostearate, Span 60, Sorbitan Stearate, Sorbitol Monostearate, E491, Sorbitan Ester, Nonionic Emulsifier Span 60
APPLICATIONS
Sorbitan Monostearate (Span 60) is widely used in creams, lotions, and ointments as an emulsifier, stabilizing water-in-oil formulations and providing a smooth, uniform texture.
Sorbitan Monostearate (Span 60) is applied in cosmetic products like foundations and sunscreens, where it prevents ingredient separation and enhances product stability.
Sorbitan Monostearate (Span 60) is used in hair care formulations, such as conditioners and masks, where it adds thickness and helps in binding water and oils for better application.
Sorbitan Monostearate (Span 60) is found in processed foods like ice cream, margarine, and spreads, where it stabilizes emulsions and prevents crystallization, improving texture.
Sorbitan Monostearate (Span 60) is included in baked goods as an emulsifier, enhancing dough consistency and prolonging shelf life by reducing staling.
Sorbitan Monostearate (Span 60) is used in chocolate coatings and confections, where it helps maintain smoothness and prevents fat bloom for an appealing appearance.
Sorbitan Monostearate (Span 60) is incorporated into pharmaceutical creams and gels, where it ensures even dispersion of active ingredients and enhances product stability.
Sorbitan Monostearate (Span 60) is utilized in topical drug formulations to improve consistency and aid in the controlled release of active compounds.
Sorbitan Monostearate (Span 60) is applied in personal care products like deodorants and body creams, providing a creamy texture and helping to keep formulations stable.
Sorbitan Monostearate (Span 60) is used in animal feed formulations, where it acts as a binder, improving feed texture and reducing dusting.
Sorbitan Monostearate (Span 60) is found in industrial lubricants and greases, where it provides thickening and stabilizing properties, ensuring smooth operation of machinery.
Sorbitan Monostearate (Span 60) is used in paints and coatings as a dispersing agent, helping to evenly distribute pigments and additives, resulting in consistent color and texture.
Sorbitan Monostearate (Span 60) is included in agricultural formulations, where it acts as a wetting agent and emulsifier, enhancing the effectiveness of pesticides and fertilizers.
Sorbitan Monostearate (Span 60) is employed in candle making, where it improves the binding of wax and oils, producing a smooth and uniform burn.
Sorbitan Monostearate (Span 60) is utilized in rubber and plastic processing, where it aids in the uniform dispersion of fillers, improving material properties.
Sorbitan Monostearate (Span 60) is essential in the formulation of fabric softeners, where it enhances softness and conditioning effects for improved fabric feel.
Sorbitan Monostearate (Span 60) is used in protective sprays and creams for leather and wood, providing a conditioning effect and preventing drying.
Sorbitan Monostearate (Span 60) is found in specialty inks and toners, where it enhances flow properties and prevents clogging in printing applications.
DESCRIPTION
Sorbitan Monostearate (Span 60) is a nonionic surfactant known for its excellent emulsifying and stabilizing properties, making it ideal for use in personal care, food, and industrial formulations.
Sorbitan Monostearate (Span 60) is particularly effective in water-in-oil emulsions, helping to bind water and oil phases and providing stability across a wide range of temperatures.
In cosmetics and skincare products, Sorbitan Monostearate (Span 60) is valued for its ability to create a soft, spreadable texture, improving the feel and consistency of lotions and creams.
Sorbitan Monostearate (Span 60) is biodegradable and safe for use in various applications, with a low toxicity profile that makes it suitable for consumer products.
The mildness of Sorbitan Monostearate (Span 60) on the skin and its compatibility with a variety of ingredients make it a versatile choice for formulations requiring a non-irritating emulsifier.
Sorbitan Monostearate (Span 60) is stable at both high and low temperatures, providing consistent performance even in demanding environmental conditions.
PROPERTIES
Chemical Formula: C24H46O6
Molecular Weight: 430.62 g/mol
Common Name: Sorbitan Monostearate (Span 60)
Appearance: White to pale yellow waxy solid or powder
Density: Approx. 1.0 g/cm³
Boiling Point: N/A
Melting Point: 55-58°C
Solubility: Insoluble in water; soluble in oils and organic solvents
Flash Point: >150°C
Reactivity: Stable under normal conditions; avoid strong oxidizing agents
Chemical Stability: Stable under recommended storage conditions
Storage Temperature: Store in a cool, dry place away from direct sunlight and moisture
Vapor Pressure: Low
FIRST AID
Inhalation:
If Sorbitan Monostearate (Span 60) dust is inhaled, move the affected person to fresh air immediately.
If breathing difficulties persist, seek immediate medical attention.
If the person is not breathing, administer artificial respiration.
Keep the affected person warm and at rest.
Skin Contact:
Wash the affected area with soap and water.
If skin irritation or rash develops, seek medical attention.
Eye Contact:
In case of eye contact, flush the eyes with plenty of water for at least 15 minutes, lifting upper and lower eyelids.
Seek immediate medical attention if irritation or redness persists.
Remove contact lenses if present and easy to do; continue rinsing.
Ingestion:
If Sorbitan Monostearate (Span 60) is ingested, do not induce vomiting unless directed to do so by medical personnel.
Rinse the mouth thoroughly with water.
Seek immediate medical attention.
If the person is conscious, give small sips of water to drink.
Note to Physicians:
Treat symptomatically.
No specific antidote.
Provide supportive care.
HANDLING AND STORAGE
Handling:
Personal Protection:
Wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and dust masks when handling large quantities of Sorbitan Monostearate (Span 60).
Use in a well-ventilated area to avoid inhalation of dust.
Ventilation:
Ensure adequate ventilation when handling large amounts of Sorbitan Monostearate (Span 60) to control airborne concentrations below occupational exposure limits.
Avoidance:
Avoid generating dust and direct contact with eyes.
Do not eat, drink, or smoke while handling Sorbitan Monostearate (Span 60).
Wash hands thoroughly after handling.
Spill and Leak Procedures:
Contain spills to prevent further release and minimize exposure.
Sweep up spills carefully to avoid dust generation and dispose of according to local regulations.
Storage:
Store Sorbitan Monostearate (Span 60) in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers.
Keep containers tightly closed when not in use to prevent contamination and moisture absorption.
Store away from heat sources, direct sunlight, and excessive humidity.
Handling Cautions:
Avoid inhalation of dust and direct contact with eyes and skin.
Use explosion-proof equipment in areas where dust particles may be present.
