Sodium cocoyl isethionate

Product Details

CasNo： 61789-32-0

MF： C2Na6O47S20

Appearance： flake

Delivery Time： 15 days

Packing： 25kg/drum

Purity： 99%

1. Basic Information

• Chinese Name: 椰油基羟乙基磺酸钠 (Sodium Cocoyl Isethionate)
• English Name: Sodium Cocoyl Isethionate
• Synonyms: Sodium cocoyloxyethyl sulfonate; Coconut oil fatty acid (2-sulfonate) ethyl ester; Sodium lauryl hydroxyethyl sulfonate
• Molecular Formula: CH3​(CH2​)n​CH2​COOC2​H4​SO3​Na (Note: The previously mentioned formula C2​Na6​O47​S20​ is incorrect; the correct structure is based on coconut oil fatty acid chains (with n typically ranging from 8 to 16, mainly C12-C14) esterified with hydroxyethyl sulfonate sodium)
• Molecular Weight: Average 328.44 (varies slightly with the distribution of coconut oil fatty acid chains)

2. Physical and Chemical Properties

• Appearance: Usually white powder or flaky solid.
• Density: Approximately 1.11 g/cm³ (at 20°C).
• Solubility: Easily soluble in water; water solubility is 102 mg/L at 23°C.
• pH Value: The pH of a 10% deionized aqueous solution ranges from 5.00 to 6.50.
• Stability: Stable under acidic conditions; decomposes under alkaline conditions.

3. Product Specifications

4. Main Applications

• Personal Care Products:
  • Widely used in cleansers such as shampoos, body washes, facial cleansers, and hand soaps. It exhibits excellent foaming properties and cleansing power, and can adjust the pH of bath products.
  • Also used in the production of toothpaste and as a structuring agent in detergents, imparting viscosity and fluidity to the products.
• Mixed Soaps: Used in the manufacturing of mixed soaps (blends of synthetic surfactants and traditional soaps) to enhance mildness and foam quality.

5. Safety Information

• Sodium Cocoyl Isethionate is generally recognized as a safe surfactant in the industry, but caution is still required during use.
• Prolonged contact may cause skin dryness and irritation; some individuals may experience allergic reactions.
• Avoid contact with eyes. In case of accidental eye contact, rinse immediately with plenty of water.