TWEEN 20, MP Biomedicals™

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.

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

Arsenic (As)

1e-006

Density

1.09 - 1.12(25°C)

Boiling Point

>100°C (literature)

Color

Pale Yellow

Quantity

500mL

Solubility Information

Soluble in Water(100mg/mL).

Flash Point

>230°F/ >110°C (Lit.)

Heavy Metals (as Pb)

<0.001%

Physical Form

Liquid

Grade

Molecular Biology Reagent

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%

RTECSNumber

TR7400000

storageNote1

Store at Room temperature(15-30°C).

RTECSNumber

TR7400000

storageNote1

Store at Room temperature(15-30°C).