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P6474

Sigma-Aldrich

TWEEN® 80

viscous liquid, Preservative Free, Low-peroxide; Low-carbonyls

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Synonym(s):
Tween® 80KR, POE (20) sorbitan monooleate, Polyethylene glycol sorbitan monooleate, Polyoxyethylenesorbitan monooleate, Polysorbate 80
CAS Number:
9005-65-6
MDL number:
MFCD00082107
NACRES:
NA.21

Quality Level

300

description

non-ionic

form

viscous liquid

mol wt

micellar avg mol wt 79,000
average mol wt 1310

composition

Oleic acid, ~70% (balance primarily linoleic, palmitic, and stearic acids)

aggregation number

60

impurities

≤0.5 μmol/g Peroxides
≤1.0 μmol/g Carbonyls
≤3.0% water

CMC

0.012 mM (20-25°C)

transition temp

cloud point 65 °C

density

1.06 g/mL at 25 °C

HLB

15

storage temp.

−20°C

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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1 of 4

This Item
63161P17548.22187
TWEEN® 80 viscous liquid, Preservative Free, Low-peroxide; Low-carbonyls

Sigma-Aldrich

P6474

TWEEN® 80

TWEEN® 80

SAFC

63161

TWEEN® 80

TWEEN® 80 viscous liquid

Sigma-Aldrich

P1754

TWEEN® 80

TWEEN® 80 for synthesis

Sigma-Aldrich

8.22187

TWEEN® 80

form

viscous liquid

form

-

form

viscous liquid

form

liquid

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

mol wt

-

aggregation number

60

aggregation number

-

aggregation number

60

aggregation number

-

impurities

≤0.5 μmol/g Peroxides, ≤1.0 μmol/g Carbonyls, ≤3.0% water

impurities

-

impurities

-

impurities

-

CMC

0.012 mM (20-25°C)

CMC

-

CMC

0.012 mM (20-25°C)

CMC

-

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)

235.4 °F - closed cup

Flash Point(C)

> 113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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25G
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705578-5MG-PW

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1000309185

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SAFC

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Polysorbate 80 United States Pharmacopeia (USP) Reference Standard

USP

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Polysorbate 80

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Millipore

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Sigma-Aldrich

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Sigma-Aldrich

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Millipore

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