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Thermo Scientific™ Polysorbate 60 (Tween™ 60)
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Specifications:
| Application | molecular biology | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Liquid |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Molecular Biology | Formula | C₆₄H₁₂₆O₂₆ |
Polyoxyethylene Sorbitan Monostearate – Nonionic Surfactant for Laboratory and Pharmaceutical Applications
Polysorbate 60, also known as Tween™ 60, is a high-quality nonionic surfactant widely used in laboratory research, pharmaceutical formulation, biotechnology, and industrial applications. Chemically described as polyoxyethylene sorbitan monostearate, Polysorbate 60 is valued for its excellent emulsifying, solubilizing, and stabilizing properties in aqueous systems.
Supplied as a light yellow to light brown paste, this reagent is designed to support consistent performance in sensitive workflows such as protein stabilization, diagnostic reagent preparation, and formulation development.
Key Features and Benefits
Versatile Nonionic Surfactant
Polysorbate 60 is commonly used to enhance the solubility of hydrophobic compounds, improve emulsion stability, and prevent nonspecific adsorption in biochemical assays.
Controlled Quality and Purity
This product conforms to strict analytical specifications, including infrared identity testing and low impurity limits such as minimal dioxane content.
Suitable for Broad Laboratory and Industrial Use
Tween 60 is compatible with applications in:
- Biopharmaceutical production
- Diagnostic assay formulation
- Molecular biology workflows
- Cosmetic and food research
- Industrial emulsification processes
Convenient Ambient Storage
Stable at room temperature, making handling and storage simple for routine laboratory use.
Synonyms
- Sorbitan monostearate, ethoxylated
- Polyoxyethylene sorbitan monostearate
- Tween™ 60
Chemical and Physical Properties
| Parameter | Description |
|---|---|
| Product Name | Polysorbate 60 |
| Synonym | Tween™ 60 |
| CAS Number | 9005-67-8 |
| Molecular Formula | C₆₄H₁₂₆O₂₆ |
| MDL Number | MFCD01780110 |
| EINECS Number | 500-020-4 |
| Appearance | Light yellow to light brown paste |
| Density | 1.08 g/cm³ |
| Boiling Point | ~110 °C (1013 hPa) |
| Flash Point | >150 °C |
| Storage Temperature | Ambient |
Quality Specifications
| Test | Specification |
|---|---|
| Appearance | Light yellow to light brown paste |
| Infrared Spectrum | Conforms |
| Water Content | ≤3% |
| Dioxane | ≤5 ppm |
| Acid Value | ≤2 mg KOH/g |
| Hydroxyl Value | 81 – 96 mg KOH/g |
| Saponification Value | 45 – 55 mg KOH/g |
Applications
Polysorbate 60 is widely used in:
- Emulsification of oils and hydrophobic compounds
- Stabilization of proteins, enzymes, and biologics
- Surfactant additive in ELISA and immunoassays
- Pharmaceutical excipient for injectable and oral formulations
- Prevention of surface adsorption in laboratory systems
- Cosmetic and food-grade formulation research
Ordering Information
| Product Code | Pack Size | Packaging |
|---|---|---|
| 278622500 | 250 mL | Glass bottle |
| 278620010 | 1 L | Glass bottle |
| 278620025 | 2.5 L | Glass bottle |
Polysorbate 60 (Tween™ 60) is a reliable, high-purity nonionic surfactant designed for demanding laboratory and formulation workflows. With excellent emulsifying and stabilizing performance, controlled impurity specifications, and flexible packaging options, it is an essential reagent for biotechnology, pharmaceutical research, diagnostics, and industrial applications requiring consistent surfactant functionality.
- Pack Size: Glass bottle, 1L Glass bottle, 2.5L Glass bottle, 250 mL