Sodium isethionate

CAS Number
1562-00-1
EC Number
216-343-6

What is Sodium isethionate?

Sodium isethionate (CAS 1562-00-1) is a mild sulfonate salt used in personal care, pharmaceutical, and specialty chemical applications.

Where is Sodium isethionate used?

  • Personal care: precursor to sodium cocoyl isethionate and related acyl isethionates
  • Syndet bars, baby washes and sensitive-skin products: active cleansing agents
  • Pharmaceuticals: buffering and stabilizing component in topical preparations
  • Cosmetic emulsions and liquid cleansers: pH regulation and formulation stability
  • Specialty chemicals: surface-active and dispersing functions
  • It enables the synthesis of acyl isethionate surfactants.

Good to know: Low irritation potential drives ingredient selection in medical applications. Buyers should confirm moisture content and active assay when specifying for acyl isethionate synthesis or regulated formulations.

Commercial specifications

  • Concentration and purity vary by application
  • High-purity grades for pharmaceutical use

Other Names (Synonyms)

Isethionic acid sodium salt|Sodium 2-hydroxyethanesulfonate|2-Hydroxyethanesulfonic acid sodium salt|Sodium hydroxyethylsulfonate|Ethanesulfonic acid, 2-hydroxy-, monosodium salt|Sodium 2-hydroxyethylsulfonate|Sodium beta-hydroxyethanesulfonate|Sodium 2-hydroxy-1-ethanesulfonate

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What are the physical properties of Sodium isethionate?

Melting Point 192 °C
Density 1762.7[at 20℃]
Appearance solid
Color White
Form Fine Powder
Water Solubility SOLUBLE
pH 7.0-11.0 (20g/l, H2O, 20℃)
Log P -4.6 at 20℃

Which trade and regulatory codes apply to Sodium isethionate?

HS Code 29055910
Storage Class 13 - Non Combustible Solids
WGK (Germany) 1
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