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Merck
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Key Documents

1.01894

Millipore

Brij® 35 solution

(30% w/w in water) for biochemistry

Synonym(s):

Polyoxyethylene (23) Lauryl Ether, Polyoxyethylene lauryl ether, Polyoxyethyleneglycol Dodecyl Ether

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About This Item

UNSPSC Code:
12352401
NACRES:
NA.21
Pricing and availability is not currently available.

Quality Level

100

form

liquid

pH

5-7 (20 °C in H2O)

density

1.03 g/cm3 at 20 °C

storage temp.

15-25°C

General description

Brij® 35 is a common nonionic surfactant,[1] which has a dodecyl apolar core and a polyoxyethylene chain-formed polar surface. It comprises several hydrophobic and hydrogen-bonding interaction sites with target analytes. Brij 35 is edible and non-toxic.[2]

Application

Brij® 35 solution has been used to develop a novel hexafluoroisopropanol (HFIP)/Brij-35 supramolecular solvent (SUPRAS)-based liquid-phase microextraction (LPME) of parabens.[2] It has also been used to study the formation of water-in-ionic liquid (w/IL) microemulsions in IL 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]).[1]

Biochem/physiol Actions

Brij® 35 is known as the “green” modifier in micellar liquid chromatography due to its capability to simulate the biopartitioning process.[2] It forms water-in-ionic liquid (w/IL) microemulsions with IL 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) in the bulk phase. It can also form reverse micelle-type aggregates inside [bmim][PF6] in the absence of added water.[1]

Analysis Note

Identity (IR-spectrum): conforms
Turbidity: ≤ 2.0 NTU
(equivalent to turbidityclass I according to DAB)

Legal Information

Brij is a registered trademark of Croda International PLC

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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’.

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Jia Chen et al.
Journal of chromatography. A, 1591, 33-43 (2019-01-21)
A novel supramolecular solvent (SUPRAS) based on hexafluoroisopropanol (HFIP)/Brij-35 was proposed for liquid-phase microextraction (LPME) of parabens in water samples, pharmaceuticals and personal care products. Brij-35 is a cost-effective and non-toxic non-ionic surfactant, but it has a high cloud point
Rewa Rai et al.
Langmuir : the ACS journal of surfaces and colloids, 30(34), 10156-10160 (2014-08-15)
Brij-35, a common and popular nonionic surfactant, is shown to form water-in-ionic liquid (w/IL) microemulsions with IL 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF6]) as the bulk phase. The presence of w/[bmim][PF6] microemulsions is hinted by the significantly increased solubility of water in Brij-35

Questions

  1. Does the 30% w/w concentration refer to 30 g Brij 35 per 100 g solution? Or is it a ratio of 30 g Brij 35 added to every 100 g water? Thank you.

    1 answer

    1. The 30 w/w% concentration refers to 30 g of Brij 35 per 100 g of solution.

      Helpful?

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