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Merck

P6585

Sigma-Aldrich

TWEEN® 20

Low-peroxide; Low-carbonyls

Synonim(y):

Polyethylene glycol sorbitan monolaurate, Polyoxyethylenesorbitan monolaurate

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About This Item

Numer CAS:
Numer MDL:
Kod UNSPSC:
12161900
NACRES:
NA.21

Poziom jakości

opis

non-ionic

Postać

viscous liquid

masa cząsteczkowa

~1228

zawiera

BHT as antioxidant

zanieczyszczenia

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

współczynnik refrakcji

n20/D 1.468 (lit.)

CMC

0.06 mM (20-25°C)

temp. przejścia

cloud point 76 °C

gęstość

1.095 g/mL at 25 °C (lit.)
1.1 g/cm3 at 25 °C (lit.)

HLB

16.7

temp. przechowywania

2-8°C

ciąg SMILES

CCCCCCCCCCCC(=O)OCCOCC(C1C(C(CO1)OCCO)OCCO)OCCO

InChI

1S/C26H50O10/c1-2-3-4-5-6-7-8-9-10-11-24(30)34-19-18-31-20-22(32-15-12-27)26-25(35-17-14-29)23(21-36-26)33-16-13-28/h22-23,25-29H,2-21H2,1H3

Klucz InChI

HMFKFHLTUCJZJO-UHFFFAOYSA-N

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Opis ogólny

Tween®20 is a polyoxyethylene sorbitol ester that belongs to the polysorbate family. It is a nonionic detergent having a molecular weight of 1,225 daltons, assuming 20 ethylene oxide units, 1 sorbitol, and 1 lauric acid as the primary fatty acid. The ethylene oxide subunits are responsible for the hydrophilic nature of the surfactant, while the hydrocarbon chains provide the hydrophobic environment. Sorbitol forms the backbone ring to which the ethylene oxide polymers are attached.

Zastosowanie

Tween 20 has been used along with PBS to wash plates in ELISA technique.
Non-ionic detergent

Uwaga dotycząca przygotowania

Purified to remove peroxides and aldehydes

Informacje prawne

TWEEN is a registered trademark of Croda International PLC
This page may contain text that has been machine translated.

Kod klasy składowania

10 - Combustible liquids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

527.0 °F - Pensky-Martens closed cup

Temperatura zapłonu (°C)

275 °C - Pensky-Martens closed cup

Środki ochrony indywidualnej

Eyeshields, Gloves


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