Tween 20

What is Tween 20?
Tween 20 (also known as Polysorbate 20) is a non-ionic surfactant and emulsifier, commonly utilized in various scientific, pharmaceutical, and industrial applications. It is a pale yellow, viscous liquid with a mild odor. Tween 20 functions to lower the surface tension of liquids, facilitating the mixing of water with other substances, particularly oils and lipids.

Tween 20 is synthesized from sorbitol (a sugar alcohol) and ethylene oxide, and is valued for its ability to stabilize emulsions, solubilize hydrophobic compounds, and improve the texture of products. It is a widely used compound in both laboratory and industrial settings due to its versatility and efficacy.

Formulation and Quality Assurance:
The Tween 20 used is carefully sourced ensuring its reliability in scientific and industrial processes.

Purity and Additives:
This product is free from unnecessary additives or preservatives, ensuring a high level of purity for its intended applications in sensitive environments.

Packaging and Shipping:
The Tween 20 is sourced and packaged in compliance with industry standards, using non-toxic, chemical-resistant containers to ensure safe handling and storage.

Dispensing Adapter Compatibility

• 100ml: 18mm neck size
• 250ml: 18mm neck size
• 500ml: 28mm neck size
• 1L: 28mm neck size
• 2.5L: 38mm neck size
• 5L: 38mm neck size

Common Applications

Emulsification
Tween 20 is commonly used to stabilize emulsions, especially in pharmaceutical and cosmetic formulations. It aids in the consistent mixing of oil and water-based components, preventing separation and ensuring uniform product texture.

Pharmaceutical Applications
In pharmaceutical formulations, Tween 20 is employed to improve the solubility of poorly soluble drugs in aqueous solutions, thereby enhancing their bioavailability. This makes it particularly useful in injectable and oral drug formulations.

Food Industry
In the food industry, Tween 20 serves as an emulsifier, helping to improve the texture and stability of processed food products such as salad dressings, sauces, and ice cream.

Cosmetic and Personal Care Products
Tween 20 is widely used in the preparation of cosmetic products, including creams, lotions, shampoos, and conditioners, where it helps to blend ingredients like oils and water that would otherwise separate.

Molecular Biology
In molecular biology, Tween 20 is frequently used in laboratory protocols, such as Western blotting and cell culture applications. It is effective in reducing non-specific binding and enhancing the performance of reagents in various biological assays.

Common Applications

Emulsification
Tween 20 is commonly used to stabilize emulsions, especially in pharmaceutical and cosmetic formulations. It aids in the consistent mixing of oil and water-based components, preventing separation and ensuring uniform product texture.

Pharmaceutical Applications
In pharmaceutical formulations, Tween 20 is employed to improve the solubility of poorly soluble drugs in aqueous solutions, thereby enhancing their bioavailability. This makes it particularly useful in injectable and oral drug formulations.

Food Industry
In the food industry, Tween 20 serves as an emulsifier, helping to improve the texture and stability of processed food products such as salad dressings, sauces, and ice cream.

Cosmetic and Personal Care Products
Tween 20 is widely used in the preparation of cosmetic products, including creams, lotions, shampoos, and conditioners, where it helps to blend ingredients like oils and water that would otherwise separate.

Molecular Biology
In molecular biology, Tween 20 is frequently used in laboratory protocols, such as Western blotting and cell culture applications. It is effective in reducing non-specific binding and enhancing the performance of reagents in various biological assays.

Appearance (Clarity) @ 25 Deg Clear
Appearance (Form) @ 25 Deg Liquid
Colouration (Gardener) @ 25 Deg 5 Max
Peroxide value (meq/kg) 5 Deg
Saponification value (mg KOH/g) 40 - 50
Hydroxyl value (mg KOH/g) 96 - 108
Acid value (mg KOH/g) 2.0 Max
Sulphated ashes (%w/w) 0.2 Max
Water content (%w/w) 2.5 - 3.0
Heavy metals content (mg/kg) 10 Max
Ethylene glycol (mg/kg) 620 Max
1,4-Dioxane (mg/kg) 10 Max
Free ethylene oxide (mg/kg) 1 Max

Cas Number: 9005-64-5

HS Code / Commodity Code: 3402130000

Hazard Phrases: H0001