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CAS 4706-78-9

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Potassium dodecyl sulfate

Description:
Potassium dodecyl sulfate (KDS), with the CAS number 4706-78-9, is an anionic surfactant commonly used in various applications, including detergents, emulsifiers, and in biochemical research. It is the potassium salt of dodecyl sulfate, which is derived from dodecanol and sulfuric acid. KDS is characterized by its long hydrophobic hydrocarbon chain (dodecyl group) and a negatively charged sulfate group, which contributes to its surfactant properties. This compound is soluble in water and can form micelles, making it effective in reducing surface tension and stabilizing emulsions. KDS is often utilized in laboratory settings for protein denaturation and membrane solubilization, particularly in the preparation of samples for electrophoresis. Additionally, it exhibits antimicrobial properties, which can be beneficial in various formulations. However, like many surfactants, it should be handled with care, as it can be irritating to skin and eyes. Overall, potassium dodecyl sulfate is a versatile chemical with significant utility in both industrial and research contexts.
Formula:C12H26O4S·K
InChI:InChI=1S/C12H26O4S.K/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);
InChI key:InChIKey=CSOGSIQDUHHRCX-UHFFFAOYSA-N
SMILES:C(CCCCCCCCCC)COS(=O)(=O)O.[K]
Synonyms:
  • Sulfuric acid, monododecyl ester, potassium salt (1:1)
  • Potassium dodecyl sulfate
  • Sulfuric acid, monododecyl ester, potassium salt
  • Potassium lauryl sulfate
  • Dodecyl potassium sulfate
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