TWEEN 20, MP Biomedicals™

Description

TWEEN 20, Molecular biology reagent, Viscous pale yellow liquid

• TWEEN 20 is a nonionic detergent widely used in biochemical applications, such as emulsifying agents for the preparation of stable oil-inwater emulsions.
• It has been used in preextraction of membranes to remove peripheral proteins.
• TWEEN 20 has been used as a blocking agent for membrane based immunoassays at a typical concentration of 0.05%.
• TWEEN 20 can be used for lysing mammalian cells at a concentration of 0.05 to 0.5%. TWEEN 20 is a polyoxyethylene sorbitol ester.

Specifications

Chemical Identifiers

• CAS: 9005-64-5
• Molecular Formula: (C2H4O)y(C2H4O)w(C2H4O)x(C2H4O)zC18H34O6
• Molecular Weight (g/mol): 522.68
• MDL Number: MFCD00165986
• InChI Key: HMFKFHLTUCJZJO-UHFFFAOYNA-N
• Synonym: Polyethyleneglycol sorbitan monolaurate, Polyoxyethylenesorbitan monolaurate, Polysorbate 20, Polyoxyethylene (20) Sorbitan Monolaurate
• IUPAC Name: 2-{2-[3,4-bis(2-hydroxyethoxy)oxolan-2-yl]-2-(2-hydroxyethoxy)ethoxy}ethyl dodecanoate
• SMILES: CCCCCCCCCCCC(=O)OCCOCC(OCCO)C1OCC(OCCO)C1OCCO

• Color: Pale Yellow
• Physical Form: Liquid
• Boiling Point: >100°C (literature)
• Density: 1.09 - 1.12(25°C)
• Quantity: 500 mL
• Flash Point: >230°F/ >110°C (Lit.)
• Refractive Index: < 1.33 hPa (< 1.00 mmHg, Lit.)
• Specific Gravity: 1.08 - 1.13
• Viscosity: Brookfield Viscosity: 370-430 cps (25°C, neat, Lit.)
• Water: ≤3%
• Solubility Information: Soluble in Water(100mg/mL).
• Grade: Molecular Biology

Safety and Handling

RTECSNumber	TR7400000
storageNote1	Store at Room temperature(15-30°C).