Documents
93773
TWEEN® 20
viscosity 250-450 mPa.s (25 °C)
Recommended Products
description
non-ionic
Quality Level
form
viscous liquid
mol wt
~1228
technique(s)
DNA extraction: suitable
RNA extraction: suitable
cell culture | mammalian: suitable
protein purification: suitable
refractive index
n20/D 1.468 (lit.)
n20/D 1.471
viscosity
250-450 mPa.s(25 °C)
HLB value
16.7±1.0
density
1.11 g/mL at 20 °C
1.095 g/mL at 25 °C (lit.)
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
Looking for similar products? Visit Product Comparison Guide
1 of 4
This Item | P2287 | P8341 | 9480-OP |
|---|---|---|---|
| form viscous liquid | form viscous liquid | form viscous liquid | form viscous liquid |
| mol wt ~1228 | mol wt ~1228 | mol wt ~1228 | mol wt ~1228 |
| technique(s) DNA extraction: suitable, RNA extraction: suitable, cell culture | mammalian: suitable, protein purification: suitable | technique(s) cell culture | mammalian: suitable | technique(s) - | technique(s) - |
| viscosity 250-450 mPa.s(25 °C) | viscosity - | viscosity - | viscosity - |
| density 1.11 g/mL at 20 °C, 1.095 g/mL at 25 °C (lit.) | density 1.095 g/mL at 25 °C (lit.), 1.1 g/cm3 at 25 °C (lit.) | density 1.095 g/mL at 25 °C (lit.), 1.1 g/cm3 at 25 °C (lit.) | density 1.095 g/mL at 25 °C (lit.) |
General description
Application
- as an emulsifying agent for the preparation of stable oil-in-water emulsions
- in pre-extraction of membranes to remove peripheral proteins (used at 2% for extraction of membrane-bound proteins)
- as a blocking agent for membrane based immunoassays at a typical concentration of 0.05% - 1%
- for lysing mammalian cells at a concentration of 0.005 to 0.5%
- for rehydrating tissue before in situ hybridization
Biochem/physiol Actions
Features and Benefits
- Suitable for protein purification and DNA and RNA extraction
- Suitable for mammalian cell culture
- High purity product for research applications
Caution
Legal Information
Storage Class Code
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
Personal Protective Equipment
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?
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
Difficulty Finding Your Product Or Lot/Batch Number?
How to Find the Product Number
Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).
Example:
Additional examples:
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
enter as 1.000309185)
Having trouble? Feel free to contact Technical Service for assistance.
How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
Aldrich Products
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.
Not Finding What You Are Looking For?
In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.
Customers Also Viewed
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service