Merck
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P1504

Sigma-Aldrich

TWEEN® 40

viscous liquid

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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P1504

TWEEN® 40

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description

non-ionic

description

non-ionic detergent

description

non-ionic

description

non-ionic

assay

~90.0% (GC)

assay

-

assay

≥40.0% (GC)

assay

-

form

viscous liquid

form

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)

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

technique(s)

-

CMC

0.027 (20-25°C)

CMC

-

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

12 - Non 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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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