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75073

Supelco

Sodium octyl sulfate

suitable for ion pair chromatography, LiChropur, ≥99.0% (T)

Synonym(s):
Octyl sulfate sodium salt
Linear Formula:
CH3(CH2)7OSO3Na
CAS Number:
Molecular Weight:
232.27
Beilstein:
3658635
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.21

Quality Level

description

anionic

assay

≥99.0% (T)

quality

LiChropur

mol wt

232.27 g/mol

technique(s)

HPLC: suitable
ion pair chromatography: suitable

mp

195 °C (dec.) (lit.)

λ

10 % in H2O

UV absorption

λ: 210 nm Amax: 0.1
λ: 220 nm Amax: 0.06
λ: 230 nm Amax: 0.04
λ: 260 nm Amax: 0.02
λ: 500 nm Amax: 0.02

suitability

corresponds to standard for RP gradient test
corresponds to standard for filter test

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 (SOS) is an ion-pair reagent, an anionic surfactant with an 8-carbon tail suitable for cationic separation sorted by carbon chain length.

Application

Sodium octyl sulfate (SOS) may be used as an ion-pairing reagent:
  • For the retention of catechols in reversed-phase high-performance liquid chromatography of catecholamines and their congeners.
  • For the separation of asymmetric dimethylhydrazine (ADMH) and its decomposition products using ion-pair chromatography.

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Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Electrostatic effects on the phase behavior of aqueous cetyltrimethylammonium bromide and sodium octyl sulfate mixtures with added sodium bromide
Brasher LL, et al.
Langmuir, 11(11), 4267-4277 (1995)
Reversed-phase high performance liquid chromatography of catecholamines and their congeners with simple acids as ion-paring reagents
Asmus PA and Freed CR
Journal of Chromatography A, 169, 303-311 (1979)
Determination of 1, 1-dimethylhydrazine and its decomposition products using ion-pair chromatography
Ponomarenko SA, et al.
Moscow University Chemistry Bulletin, 64(3), 147-153 (2009)
Eliseo A Eugenin et al.
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Miriam Gochin et al.
Journal of medicinal chemistry, 52(14), 4338-4344 (2009-06-19)
The hydrophobic pocket within the coiled coil domain of HIV-1 gp41 is considered to be a hot-spot suitable for small molecule intervention of fusion, although so far it has yielded only microM inhibitors. Previous peptide studies have identified specific hydrophobic

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