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TWEEN® 20

SIAL/P6585 - Low-peroxide; Low-carbonyls

Synonym: Polyethylene glycol sorbitan monolaurate; Polyoxyethylenesorbitan monolaurate

CAS Number: 9005-64-5
MDL Number: MFCD00165986
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-P6585-10ML 10 mL
 $186.00
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45-P6585-100ML 100 mL
 $1000.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: P6585-100ML.

 

CMC 0.06 mM (20-25°C)
contains BHT as antioxidant
density 1.095 g/mL at 25 °C (lit.)
  1.1 g/cm3 at 25 °C (lit.)
description non-ionic
form viscous liquid
HLB 16.7
impurities ≤0.5 μmol/g Peroxides
  ≤1.0 μmol/g Carbonyls
  ≤3.0% water
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
InChI key HMFKFHLTUCJZJO-UHFFFAOYSA-N
mol wt ~1228
Quality Level 200 
refractive index n20/D 1.468 (lit.)
SMILES string CCCCCCCCCCCC(=O)OCCOCC(C1C(C(CO1)OCCO)OCCO)OCCO
storage temp. 2-8°C
transition temp cloud point 76 °C
Application: Non-ionic detergent
Application: Tween 20 has been used along with PBS to wash plates in ELISA technique.
General description: 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.
Legal Information: TWEEN is a registered trademark of Croda International PLC
Packaging: 10, 100 mL in glass bottle
Preparation Note: Purified to remove peroxides and aldehydes
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) 527.0 °F - Pensky-Martens c
Flash Point(C) 275 °C - Pensky-Martens clo
Density 1.095 g/mL at 25 °C (lit.); 1.1 g/cm3 at 25 °C (lit.)
Refractive Index n20/D 1.468 (lit.)
Storage Temp. 2-8°C
UNSPSC 12161900

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