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Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is a non-ionic emulsifier used to stabilize mixtures of oil and water.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) improves texture, uniformity, and stability in food, cosmetic, pharmaceutical, and industrial formulations.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is commonly used where strong emulsification and dispersion performance are required.
CAS Number: 9005-71-4
EC Number: 500-020-4
Molecular Formula: C100H194O28
Molecular Weight: 1844.59 g/mol
Synonyms: Polysorbate 65, E 436, INS 436, Polyoxyethylene sorbitan tristearate, Polyoxyethylene (20) sorbitan tristearate, PEG-20 sorbitan tristearate, PEG sorbitan tristearate, Sorbitan tristearate polyoxyethylene derivative, Polyoxyethylene sorbitan ester, Tween 65
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is an organic chemical compound from the polysorbate group.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is an emulsifier that consists of sorbitol tristearate and ethylene oxide.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is a substance obtained from natural sorbitol, which is an alcoholic sugar, and ethylene oxide, bound to ethanol.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436), consists of sorbitol, ethylene oxide, and stearic acid.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) has a molecular formula of C100H194O28.
At room temperature, Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is in the form of yellow viscous liquid or paste.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is an O/W emulsifier with an HLB value of 10.5.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is soluble in ethanol, ethyl acetate, acetone, and can be dispersed in water.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is a non-ionic emulsifier made from sorbitol derivatives, stearic acid, and ethylene oxide.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is used to help oil and water phases mix more uniformly and to improve product stability.
In food applications, Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) functions mainly as an emulsifier and stabilizer.
Uses of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is widely used in the food industry as an emulsifier, mainly in products where emulsion stabilization is needed, such as margarines, sauces, and creams.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) can also be present in whole grain products, dairy products, and some dietary supplements.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is used in food, cosmetic, pharmaceutical, and industrial formulations as an emulsifier, stabilizer, dispersing agent, and wetting agent.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) can help improve texture, creaminess, and ingredient distribution in products such as desserts, cakes, confectionery, ice cream, creams, sauces, and similar emulsion-based systems.
Properties of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) has the characteristic ability to form emulsions, that is, to stabilize mixtures of two or more insoluble liquids, such as water and oil.
As a result, Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) can be used as an agent to maintain the uniformity and creaminess of many food products, preventing their ingredients from delaminating.
Stability and Reactivity of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Chemical stability:
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) is stable under recommended storage and handling conditions.
Reactivity:
No dangerous reaction is expected under normal conditions of use.
Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) may react with strong oxidizing agents, strong acids, or strong bases.
Conditions to avoid:
Avoid excessive heat, open flames, direct sunlight, freezing, moisture, and contamination.
Incompatible materials:
Strong oxidizing agents, strong acids, strong bases, and reactive chemicals.
Hazardous decomposition products:
Thermal decomposition or combustion may produce carbon monoxide, carbon dioxide, and irritating organic fumes.
Handling and Storage of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid contact with eyes, skin, and clothing.
Avoid breathing dust, mist, vapors, or aerosols.
Storage:
Store in a cool, dry, and well-ventilated area.
Keep container tightly closed when not in use.
Storage conditions:
Protect from heat, direct sunlight, moisture, freezing, and contamination.
Store away from incompatible materials.
Packaging materials:
Keep in original sealed containers or suitable plastic, fiber drum, or lined industrial packaging.
Shelf life:
Stable under recommended storage conditions.
First Aid Measures of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Inhalation:
Move person to fresh air.
If breathing difficulty, coughing, or irritation occurs, seek medical attention.
Skin contact:
Wash affected area with soap and plenty of water.
Remove contaminated clothing if necessary.
Seek medical attention if irritation persists.
Eye contact:
Rinse cautiously with clean water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless instructed by medical personnel.
Seek medical attention if discomfort occurs.
Most important symptoms:
May cause mild irritation to eyes, skin, or respiratory tract depending on exposure level and physical form.
Firefighting Measures of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Suitable extinguishing media:
Use water spray, foam, dry chemical powder, or carbon dioxide.
Unsuitable extinguishing media:
Do not use a direct high-pressure water jet, as Polyoxyethylene sorbitan tristearate (polysorbate 65) (E436) may spread the material or fire.
Specific hazards:
Product may burn under fire conditions.
Combustion may produce carbon monoxide, carbon dioxide, smoke, and irritating organic fumes.
Protective equipment for firefighters:
Firefighters should wear self-contained breathing apparatus and full protective clothing.
Firefighting instructions:
Cool containers exposed to fire with water spray.
Prevent contaminated firefighting water from entering drains or waterways.
Accidental Release Measures of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Personal precautions:
Avoid contact with eyes, skin, and clothing.
Avoid breathing dust, mist, or aerosols.
Use appropriate personal protective equipment.
Environmental precautions:
Prevent material from entering drains, soil, surface water, or waterways.
Methods for containment:
Stop the leak if it is safe to do so.
Contain spilled material with inert absorbent material if liquid or semi-solid.
Methods for cleaning up:
Collect mechanically or absorb with sand, earth, or other inert material.
Place into suitable labeled containers for disposal.
Disposal:
Dispose of collected material according to local, regional, and national regulations.
Exposure Controls / Personal Protective of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Engineering controls:
Use adequate ventilation, especially where dust, mist, or aerosols may be generated.
Respiratory protection:
Normally not required under standard handling conditions.
Use suitable respiratory protection if airborne dust, mist, or vapor levels are high.
Hand protection:
Wear protective gloves suitable for chemical handling.
Eye protection:
Wear safety glasses or chemical splash goggles.
Skin and body protection:
Wear suitable protective clothing to prevent prolonged or repeated skin contact.
Hygiene measures:
Wash hands after handling and before eating, drinking, or smoking.
Remove contaminated clothing and wash before reuse.
Keep away from food, beverages, and animal feed.
Identifiers of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
E number: E 436
INS number: 436
CAS No.: 9005-71-4
Functional class: Emulsifier, Stabilizer
CAS Number: 9005-71-4:
FDA UNII: 14BGY2Y3MJ
MDL: MFCD00165348
Molecular Weight: 1844.62378000
Formula: C100 H194 O28
CAS NO.: 9005-71-4
E NO.: E436
MOLECULAR FORMULA: C100H194O28
MOLECULAR WEIGHT: 1844.59
CAS No: 9005-71-4
Chemical Name: TWEEN 65
CBNumber: CB3305265
Molecular Formula: NULL
Properties of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Appearance: Usually waxy solid or flakes
Solubility: Dispersible in water; compatible with oils and fats depending on formulation
Chemical type: Non-ionic surfactant
Main function: Emulsification and stabilization
Odor: Mild characteristic odor
CAS No.: 9005-71-4
Specifications of Polyoxyethylene Sorbitan Tristearate (Polysorbate 65) (E436):
Acid value: mg KOH/g, ≤2.0
Saponification value: mg KOH/g, 88~98
Hydroxyl value: mg KOH/g, 44~60
Moisture: w/%, ≤3.0
