P9416
Sigma

TWEEN^® 20

for molecular biology, viscous liquid

zoom

1 of 1

Synonym

Polyethylene glycol sorbitan monolaurate

Polyoxyethylenesorbitan monolaurate

CAS Number

9005-64-5

MDL number

MFCD00165986

Expand/Collapse All

Descriptions

Application

Non-ionic detergent

Legal Information

TWEEN is a registered trademark of Croda International PLC.

Properties

grade

for molecular biology

form

viscous liquid

mol wt

mol wt ~1228

composition

lauric acid, ≥40% (balance primarily myristic, palmitic, and stearic acids)

refractive index

n20/D 1.468(lit.)

density

1.095 g/mL at 25 °C(lit.)

foreign activity

Endonuclease-exonuclease and RNase, none detected

References

Reference

Black, P.N., et al., Purification and characterization of an outer membrane-bound protein involved in long-chain fatty acid transport in Escherichia coli. J. Biol. Chem. 262, 1412-1419, (1987) abstract

Karasawa, et al., Purification and characterization from rat kidney membranes of a novel platelet-activating factor (PAF)-dependent transacetylase that catalyzes the hydrolysis of PAF, formation of PAF analogs, and C2-ceramide. J. Biol. Chem. 274, 8655-8661, (1999) abstract

reference

Fenaroli, 681 / RegBook 1 (1), 761:E / Sax 6, 2260

Safety

WGK Germany

RTECS

TR7400000

Flash Point(F)

230 °F

Flash Point(C)

110 °C