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O4003

Sigma-Aldrich

Sodium octyl sulfate

≥95%

Synonym(s):

Octyl sodium sulfate, SOS, Sodium capryl sulfate, Octyl sulfate sodium salt

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About This Item

Linear Formula:
CH3(CH2)7OSO3Na
CAS Number:
142-31-4
Molecular Weight:
232.27
Beilstein:
3658635
EC Number:
205-535-5
MDL number:
MFCD00007470
UNSPSC Code:
12161900
PubChem Substance ID:
24897991
NACRES:
NA.25

description

anionic

Assay

≥95%

form

powder

mol wt

232.27 g/mol

mp

195 °C (dec.) (lit.)

solubility

H2O: 20 mg/mL

SMILES string

[Na+].CCCCCCCCOS([O-])(=O)=O

InChI

1S/C8H18O4S.Na/c1-2-3-4-5-6-7-8-12-13(9,10)11;/h2-8H2,1H3,(H,9,10,11);/q;+1/p-1

InChI key

WFRKJMRGXGWHBM-UHFFFAOYSA-M

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General description

Sodium octyl sulfate is an anionic detergent and ion pairing reagent that is used in HPLC

Application

Sodium octyl sulfate has been used in a study to assess selective enrichment of albumin in biological samples. It has also been used in a study to investigate the behavior of mixed solution of a glycerin-modified cationic surfactant and an anionic surfactant.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Phase behavior of mixed solution of a glycerin-modified cationic surfactant and an anionic surfactant
Tsuchiya, K., et al.
Journal of Colloid and Interface Science, 312, 7-7 (2007)
Evangelia Zdrali et al.
ACS nano, 11(12), 12111-12120 (2017-12-12)
Mixtures of nano- and microscopic oil droplets in water have recently been rediscovered as miniature reaction vessels in microfluidic environments and are important constituents of many environmental systems, food, personal care, and medical products. The oil nanodroplet/water interface stabilized by
Chin-Yu Lin et al.
Electrophoresis, 30(3), 532-539 (2009-01-22)
This paper shows that in CE, the peak efficiency and effective electrophoretic mobility of HSA and BSA were significantly enhanced by using a short plug (8 nL) of 1% w/w sodium octyl sulfate (SOS) and 1% w/v dextran sulfate as
Lingyan Xing et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(44), 14794-14808 (2015-11-06)
Modulation of connectivity formation in the developing brain in response to external stimuli is poorly understood. Here, we show that the raphe nucleus and its serotonergic projections regulate pathfinding of commissural axons in zebrafish. We found that the raphe neurons
M Benkő et al.
Colloids and surfaces. B, Biointerfaces, 130, 126-132 (2015-05-04)
Precipitation of bovine serum albumin (BSA) by anionic surfactants with alkyl chains of increasing lengths (octyl, decyl, dodecyl sulfates) was studied at room temperature, at pH 3.0, in isotonic sodium chloride solution. The particle size of albumin, the zeta potential
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