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H2766

Sigma-Aldrich

Sodium 1-heptanesulfonate

Synonym(s):

1-Heptanesulfonic acid sodium salt

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About This Item

Linear Formula:
C7H15O3SNa
CAS Number:
22767-50-6
Molecular Weight:
202.25
EC Number:
245-210-5
MDL number:
MFCD00007543
UNSPSC Code:
12161900
PubChem Substance ID:
24895533
NACRES:
NA.21

biological source

synthetic (oragnic)

Quality Level

100

description

anionic

form

powder

mol wt

202.25 g/mol

technique(s)

HPLC: suitable
LC/MS: suitable

impurities

<2.0% water (Karl Fischer)

mp

300  °C (572 °F)

solubility

H2O: ≥100 mg/mL

cation traces

Na: 10.8-12.0 % (w/v) (anhydrous)

SMILES string

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

InChI

1S/C7H16O3S.Na/c1-2-3-4-5-6-7-11(8,9)10;/h2-7H2,1H3,(H,8,9,10);/q;+1/p-1

InChI key

REFMEZARFCPESH-UHFFFAOYSA-M

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General description

Sodium 1-heptanesulfonate belongs to the sodium alkylsulfonate group of surfactants. It has a -SO?3 head group with sodium and an alkyl chain attached to the head group. Sodium 1-heptanesulfonate has a critical micelle concentration value of 0.302 mol/dm3.
Sodium 1-heptanesulfonate, also known as sodium heptanesulfonate, is a versatile compound commonly used in lab experiments and biochemical research. It acts as an ion-pairing agent, surfactant, and buffer, playing a crucial role in various applications. In biochemistry, it helps with tasks like protein purification and nucleic acid separation by reducing surface tension for better mixing. It also serves as a chelating agent for metal ion analysis and acts as a buffer in biological experiments. Sodium 1-heptanesulfonate is a preferred choice in HPLC and high-performance capillary electrophoresis analyses, aiding in the separation of positively charged analytes in both organic and inorganic compounds, from pharmaceuticals to peptide research.

Application

Sodium 1-heptanesulfonate has been used as a component of the mobile phase buffer for preequilibration of high performance liquid chromatography column.
Ion-pairing reagent for HPLC, including analyses of peptides and proteins.

Biochem/physiol Actions

Sodium 1-heptanesulfonate serves as an ion-pairing reagent for analysis of epinephrine and norepinephrine in ion-pairing chromatography (IPC).

Features and Benefits

  • Ideal for Cell Biology and Biochemical Research
  • High purity chemical suitable for multiple research applications

Other Notes

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comparable product

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Description
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WGK

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dust mask type N95 (US), Eyeshields, Gloves

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Measurements have been made to determine the solubility of ethane, C2H6, in aqueous solutions of four different surfactants of the linear alkanesulfonate class at 25 degrees C. The surfactants, sodium 1-pentanesulfonate, sodium 1-hexanesulfonate, sodium 1-heptanesulfonate, and sodium 1-octanesulfonate, all share
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