SDS

SDS or Sodium dodecyl sulfate (also known as sodium lauryl sulfate) is an anionic surfactant used in many cleaning and hygiene products. The sodium salt of dodecyl sulfate, it is synthesized by treating lauryl alcohol with sulfur trioxide gas, oleum, or chlorosulfuric acid to produce hydrogen lauryl sulfate.

Chemical Properties

SDS is a white or cream-colored solid with a faint odor of fatty substances. It is soluble in water and forms a lather with it. It is also soluble in ethanol, but insoluble in ether and chloroform. The compound is stable under normal conditions but can decompose under high heat to produce toxic fumes of sulfur oxides.

Uses

SDS is widely used in household products such as toothpastes, shampoos, and shaving foams. It is also used in industrial cleaners, and in scientific laboratories as a detergent and denaturing agent for proteins.

Health Effects

Exposure to SDS can cause skin and eye irritation. Ingestion can lead to nausea, vomiting, and diarrhea. Long-term exposure can result in skin dryness and cracking.

See Also

• Surfactant
• Sulfur trioxide
• Lauryl alcohol

SDS Resources
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