Documents
P8341
TWEEN® 20
Low-peroxide; Low-carbonyls
Recommended Products
Quality Level
description
non-ionic
form
viscous liquid
mol wt
~1228
impurities
≤0.5 μmol/g Peroxides
≤1.0 μmol/g Carbonyls
≤3.0% water
refractive index
n20/D 1.468 (lit.)
CMC
0.06 mM (20-25°C)
transition temp
cloud point 76 °C
density
1.095 g/mL at 25 °C (lit.)
1.1 g/cm3 at 25 °C (lit.)
HLB
16.7
storage temp.
−20°C
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
Related Categories
1 of 4
This Item | P9416 | P6585 | 655205 |
|---|---|---|---|
| form viscous liquid | form viscous liquid | form viscous liquid | form liquid |
| mol wt ~1228 | mol wt ~1228 | mol wt ~1228 | mol wt ~1228 |
| impurities ≤0.5 μmol/g Peroxides, ≤1.0 μmol/g Carbonyls, ≤3.0% water | impurities - | impurities ≤0.5 μmol/g Peroxides, ≤1.0 μmol/g Carbonyls, ≤3.0% water | impurities - |
| CMC 0.06 mM (20-25°C) | CMC 60 mg/L | CMC 0.06 mM (20-25°C) | CMC 59 μM (HLB number 16.7) |
| transition temp cloud point 76 °C | transition temp - | transition temp cloud point 76 °C | transition temp - |
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%
- For lysing mammalian cells at a concentration of 0.005 to 0.5%
Other Notes
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