Skip to Content
Merck

655204

TWEEN® 20

Molecular Biology Grade

Synonym(s):

TWEEN® 20, Polysorbate 20, Polyoxyethylene(20)sorbitan Monolaurate, PEG(20)sorbitan monolaurate, Polyethylene glycol sorbitan monolaurate, Polyoxyethylenesorbitan monolaurate

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

CAS Number:
NACRES:
NA.25
UNSPSC Code:
12161902
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


Product Name

TWEEN® 20, Detergent, Molecular Biology Grade, Specific gravity: 1.100-1.110 (20°C).

grade

Molecular Biology

Quality Level

description

RTECS - TR7400000

form

liquid

mol wt

~1228

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

pale yellow

refractive index

n20/D 1.468 (lit.)

mp

98.9 °C ( 98.9 °C (210.0 °F))

solubility

water: soluble

density

1.095 g/mL at 25 °C (lit.)

foreign activity

DNases, proteases, RNases, none detected

shipped in

ambient

storage temp.

15-25°C

SMILES string

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

InChI key

HMFKFHLTUCJZJO-UHFFFAOYSA-N

Application

Non-ionic detergent

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
TWEEN is a registered trademark of Croda International PLC

Disclaimer

Toxicity: Standard Handling (A)


Still not finding the right product?

Explore all of our products under TWEEN® 20


Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

527.0 °F - Pensky-Martens closed cup

flash_point_c

275 °C - Pensky-Martens closed cup



Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library