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Cocamidopropyl betaine, coconut betaine CAPB 30% Coco Amidopropyl Betaine | Cosmetic grade
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Description
Cocamidopropyl Betaine (Cocoamidopropyl Betaine)
Other Names: 1-Propanaminium, 3-amino-N-(carboxymethyl)-N,N-dimethyl-, N-coco acyl derivatives, hydroxides, inner salts
CAS Number: 61789-40-0
Sum Formula: Variable (mixture based on coconut fatty acids, commonly approximated as C₁₉H₃₈N₂O₃)
Molar Mass: Approximate, varies depending on fatty acid composition
Appearance: Clear to pale yellow viscous liquid
Cocamidopropyl betaine is a mild amphoteric surfactant derived from natural coconut oil and betaine. It is valued for its gentle cleansing, foaming, and conditioning properties, making it suitable for sensitive skin and baby care products. It is biodegradable and considered safe for wide cosmetic and industrial applications.
Chemical and Physical Properties
Density: ~1.05 g/cm³ (at 20°C)
Melting Point: Not applicable (liquid at room temperature)
Boiling Point: Decomposes before boiling
Solubility in Water: Completely miscible
Solubility in Other Solvents: Soluble in polar solvents like alcohols
Odor: Mild, characteristic
Applications
Cosmetic and Personal Care: Used in shampoos, body washes, facial cleansers, and hand soaps for its cleansing, foaming, and conditioning effects.
Industrial Cleaning: Incorporated into mild, low-irritation cleaning formulations.
Textile and Leather Processing: Studied as a wetting agent and mild surfactant in textile treatments.
Formulation Science: Used to enhance the mildness of anionic surfactant systems by reducing irritation.
Safety
Signal Word: Warning
Hazard Statements:
H319: Causes serious eye irritation
Precautionary Statements – Prevention:
P264: Wash hands thoroughly after handling
P280: Wear protective gloves and eye protection
Precautionary Statements – Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P337+P313: If eye irritation persists: Get medical advice/attention
Handling and Storage
Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area. Protect from excessive heat and freezing temperatures.
Handling Precautions: Avoid direct contact with eyes and prolonged exposure to undiluted product. Use appropriate PPE when handling concentrated solutions.