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Supelco

Dimethyldioctadecylammonium bromide

Selectophore™, ≥99.0%

Synonym(s):

Distearyldimethylammonium bromide

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About This Item

Linear Formula:
[CH3(CH2)17]2N(Br)(CH3)2
CAS Number:
3700-67-2
Molecular Weight:
630.95
Beilstein:
3580323
EC Number:
223-037-6
MDL number:
MFCD00041975
UNSPSC Code:
26111700
PubChem Substance ID:
329755932

description

cationic

product line

Selectophore™

Assay

≥99.0% (T)
≥99.0%

mol wt

630.95 g/mol

mp

~160 °C

SMILES string

CCCCCCCCCCCCCCCCCC[N+](CCCCCCCCCCCCCCCCCC)(C)C.[Br-]

InChI

1S/C38H80N.BrH/c1-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39(3,4)38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-2;/h5-38H2,1-4H3;1H/q+1;/p-1

InChI key

PSLWZOIUBRXAQW-UHFFFAOYSA-M

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General description

Dimethyldioctadecylammonium bromide acts as a cationic surfactant.

Application

It was used in treating microporous polypropylene membrane filters, in order to modify and create charged surface which was used to filter nanoparticles.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBC1713V
BCBC1713
1320459
47803/1
047803/1

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Filtration of nanoparticles with dimethyldioctadecylammonium bromide treated microporous polypropylene filters.
Kang, Peter K., and Dinesh O. Shah
Langmuir, 13, 1820-1826 (1997)
Keith M Hamel et al.
Arthritis & rheumatology (Hoboken, N.J.), 66(1), 60-67 (2014-01-23)
Inducible costimulator (ICOS)-ICOSL interactions are necessary for activation of Teff cells and follicular helper T (Tfh) cells. ICOSL is expressed on B cells, macrophages, and dendritic cells and can be induced on nonhematopoietic cells. The aim of this study was
Eloi Feitosa et al.
PloS one, 7(9), e44702-e44702 (2012-09-13)
Dioctadecyldimethylammonium bromide (DODAB) is a double chain cationic lipid, which assembles as bilayer structures in aqueous solution. The precise structures formed depend on, e.g., lipid concentration and temperature. We here combine differential scanning calorimetry (DSC) and X-ray scattering (SAXS and
Agnes Michanek et al.
Langmuir : the ACS journal of surfaces and colloids, 28(25), 9621-9633 (2012-05-26)
The objective of this work is to establish under which conditions short RNA molecules (similar to miRNA) associate with zwitterionic phospholipids and how this differs from the association with cationic surfactants. We study how the base pairing (i.e., single stranded
Søren T Larsen et al.
Basic & clinical pharmacology & toxicology, 110(6), 537-543 (2011-12-23)
Quaternary ammonium compounds (QAC) constitute a family of widely used chemical substances. The QAC benzalkonium chloride (BAC) has caused bronchoconstriction in human beings by poorly understood mechanisms and lung damage at high concentration as shown in a single rat study.
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