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P8074

Sigma-Aldrich

TWEEN® 80

BioXtra, viscous liquid

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

description

non-ionic

Quality Level

200

product line

BioXtra

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

technique(s)

DNA extraction: suitable
RNA extraction: suitable
cell culture | mammalian: suitable
protein purification: suitable

impurities

≤0.025% Phosphorus (P)

ign. residue

<0.1%

CMC

0.012 mM (20-25°C)

transition temp

cloud point 65 °C

density

1.06 g/mL at 25 °C

anion traces

chloride (Cl-): <0.05%
sulfate (SO42-): <0.05%

cation traces

Al: <0.0005%
Ca: <0.001%
Cu: <0.0005%
Fe: <0.0005%
K: <0.005%
Mg: <0.0005%
NH4+: <0.05%
Na: <0.05%
Pb: <0.001%
Zn: <0.0005%

HLB

15

SMILES string

CCCCCCCC/C=C/CCCCCCCC(=O)OCCOCC(C1C(CC(O1)OCCO)OCCO)OCCO

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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General description

["TWEEN"] 80 is a polyethylene sorbitol ester, broadly used in biochemical applications like solubilizing proteins, isolating nuclei from cells in culture, and growing tubercle bacilli. It is also useful in emulsifying and dispersing substances in medicinal and food products. TWEEN 80 acts as an active drying agent in ice cream.

Application

["TWEEN"] 80 has been used:
  • to dissolve rapamycin (RAPA) for immunosuppressive treatment to perform in vivo studies in mice
  • to dissolve remodelin and remodelin Fluor to assess remodelin toxicity in vivo and small molecule dosing
  • to prepare assay medium for the microbiological assay for total folate

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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Workflow for the Analysis of Polysorbate 80 in Erbitux® Formulation

A complete reversed phase HPLC-ELSD workflow, including sample preparation for the analysis of Polysorbate 80 in a monoclonal antibody formulation.

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