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P1504

Sigma-Aldrich

TWEEN® 40

viscous liquid

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Synonym(s):
Polyoxyethylenesorbitan monopalmitate
CAS Number:
MDL number:
NACRES:
NA.25

description

non-ionic

Quality Level

Assay

~90.0% (GC)

form

viscous liquid

mol wt

estimated mol wt 1277

composition

Palmitic acid, ~90% (balance primarily stearic acid)

technique(s)

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

CMC

0.027 (20-25°C)

HLB

15.6

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

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This Item
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P1504

TWEEN® 40

TWEEN® 20 for molecular biology, viscous liquid

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P9416

TWEEN® 20

TWEEN® 20 Low-peroxide; Low-carbonyls

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P6585

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TWEEN® 80 from non-animal source

Sigma-Aldrich

P6224

TWEEN® 80

assay

~90.0% (GC)

assay

-

assay

-

assay

≥70.0% (GC)

form

viscous liquid

form

viscous liquid

form

viscous liquid

form

viscous liquid

mol wt

estimated mol wt 1277

mol wt

~1228

mol wt

~1228

mol wt

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

technique(s)

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

technique(s)

-

technique(s)

-

technique(s)

-

CMC

0.027 (20-25°C)

CMC

60 mg/L

CMC

0.06 mM (20-25°C)

CMC

0.012 mM (20-25°C)

General description

Polyoxyethylenesorbitan monopalmitate, or TWEEN 40, is a non-ionic detergent.

Application

Non-ionic detergent used for cell lysis, nuclei isolation and cell fractionation.
Polyoxyethylenesorbitan monopalmitate, or TWEEN 40, has been used in a study to assess the determination of iodide in urine based on a chemiluminescence system. It has also been used in a study to investigate the delivery of astaxanthin and canthaxanthin to HepG2 cells.

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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T1503
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-
25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

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Determination of iodide in urine based on chemiluminescence system of cerium (IV)-tween 40-iodide
Li and Xie
Journal of Luminescence, 132, 5-5 (2012)
Peter Klauth et al.
Applied microbiology and biotechnology, 72(5), 1099-1106 (2006-09-16)
Corynebacterium glutamicum forms inorganic polyphosphate (poly P) that may occur as soluble (cytosolic) poly P and/or as volutin granules. A suitable method for monitoring soluble and granular poly P in C. glutamicum was developed and applied to C. glutamicum cells
Cheng-Yu Liu et al.
Chemical communications (Cambridge, England), 47(9), 2550-2552 (2011-01-11)
This study describes a simple method for the selective and sensitive detection of cyanide and endogenous biological cyanide using polysorbate 40-stabilized gold nanoparticles.
Takashi Sugita et al.
Journal of clinical microbiology, 41(10), 4695-4699 (2003-10-09)
Lipophilic yeasts of the genus Malassezia are part of the normal cutaneous microflora and are considered one of the factors that trigger atopic dermatitis (AD). We isolated two strains of Malassezia from a healthy Japanese female. Analysis of the D1/D2
Lu-Min Vaario et al.
Mycorrhiza, 12(1), 1-5 (2002-04-24)
Saprotrophic growth of Tricholoma matsutake isolates was investigated over Pinus densiflora bark fragments either on soil or on agar media. Preferential colonization of pine bark fragments by hyphae, in glucose-deprived environments suggested that Matsutake was able to extract some nutrients

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