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P5188

Sigma-Aldrich

TWEEN® 80

for molecular biology, syrup

Synonym(s):
POE (20) sorbitan monooleate, Polyethylene glycol sorbitan monooleate, Polyoxyethylenesorbitan monooleate, Polysorbate 80
CAS Number:
MDL number:
NACRES:
NA.21

grade

for molecular biology

Quality Level

description

non-ionic

form

syrup

mol wt

average mol wt 1310

composition

Oleic acid, ≥58.0% (balance primarily linoleic, palmitic, and stearic acids)

CMC

0.012 mM

transition temp

cloud point 65 °C

density

1.06 g/mL at 25 °C

HLB

15

suitability

molecular biology tested

foreign activity

DNAse (Exonuclease Detection), NICKase (Endonuclease Detection), RNAse, none detected

InChI

1S/C32H60O10/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-30(36)40-25-24-37-27-29(39-22-19-34)32-28(38-21-18-33)26-31(42-32)41-23-20-35/h9-10,28-29,31-35H,2-8,11-27H2,1H3/b10-9+

InChI key

RGPBUVUVZKQNHD-MDZDMXLPSA-N

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TWEEN® 80 for molecular biology, syrup

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TWEEN® 80

description

non-ionic

description

non-ionic

description

non-ionic

description

non-ionic

form

syrup

form

viscous liquid

form

viscous liquid

form

viscous liquid

mol wt

average mol wt 1310

mol wt

micellar avg mol wt 79,000, average mol wt 1310

mol wt

average mol wt ~1310

mol wt

micellar avg mol wt 79,000, average mol wt 1310

CMC

0.012 mM

CMC

0.012 mM (20-25°C)

CMC

0.012 mM

CMC

0.012 mM (20-25°C)

transition temp

cloud point 65 °C

transition temp

cloud point 65 °C

transition temp

-

transition temp

cloud point 65 °C

General description

TWEEN 80 is a polyethylene sorbitol ester and has a molecular weight of 1.31 kDa. It is useful as a stabilizer and emulsifier commercially. It is known to be used in ice-cream for its drying property.

Application

Non-ionic detergent used for selective protein extraction and isolation of nuclei from mammalian cell lines.

Legal Information

TWEEN is a registered trademark of Croda International PLC

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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