Sodium Lauryl Sulfate

C₁₂H₂₅NaO₄S

IUPAC: Sodium dodecyl sulfate

CAS: 151-21-3

Aperçu

Sodium lauryl sulfate (SLS) is one of the most widely used anionic surfactants. It creates the foamy lather in toothpaste, shampoo, and soap. In biochemistry, it is used in SDS-PAGE gel electrophoresis to denature proteins and give them uniform charge.

Composition

Élément Symbole Atomes Masse atomique
Hydrogen H 25 1,0080
Carbon C 12 12,0110
Oxygen O 4 15,9990
Sodium Na 1 22,9900
Sulfur S 1 32,0600

Composition élémentaire

H
Hydrogen ×25
8,7%
C
Carbon ×12
50,0%
O
Oxygen ×4
22,2%
Na
Sodium ×1
8,0%
S
Sulfur ×1
11,1%

Usages

  • • Shampoo and body wash foaming agent
  • • Toothpaste surfactant
  • • SDS-PAGE protein electrophoresis
  • • Industrial cleaning

Le saviez-vous

  • ✦ Every biochemistry student has used SDS-PAGE, which separates proteins by size using this surfactant

Sécurité

  • ⚠ Skin and eye irritant
  • ⚠ Can cause mouth ulcers in toothpaste for some people
  • ⚠ Not toxic at typical use concentrations

Structure

SMILES

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

Propriétés

Type
salt
État
solid
Masse molaire
288,37 g/mol
Densité
1,0100 g/cm³
Point de fusion
206,0 °C
Solubilité
150 g/L at 20°C

Molecular Descriptors

Exact Mass
288,1371
TPSA
74,8 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
12
Heavy Atoms
18
Complexity
249,0

Aussi connu sous le nom de

SLS SDS Sodium dodecyl sulfate

Composés associés

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Sodium Lauryl Sulfate?
Sodium Lauryl Sulfate (C₁₂H₂₅NaO₄S) is a salt compound with the IUPAC name Sodium dodecyl sulfate.
What is the molecular weight of Sodium Lauryl Sulfate?
Sodium Lauryl Sulfate has a molar mass of 288.372 g/mol.
What state is Sodium Lauryl Sulfate at room temperature?
Sodium Lauryl Sulfate is a solid at room temperature.
Is Sodium Lauryl Sulfate organic or inorganic?
Sodium Lauryl Sulfate is classified as an inorganic compound.
What elements make up Sodium Lauryl Sulfate?
Sodium Lauryl Sulfate (C₁₂H₂₅NaO₄S) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sodium (Na), Sulfur (S).