Overview
Potassium Mono-Cocoate Phosphate is a coconut oil-derived anionic surfactant with a polar phosphate group and nonpolar fatty acid chain. It bridges the gap between traditional sulfates and modern mild surfactants, offering effective cleansing without excessive skin stripping. The compound is synthesized through esterification of coconut fatty alcohols followed by phosphorylation and neutralization with potassium hydroxide. As a naturally derived ingredient, it aligns with green chemistry trends and is increasingly favored in eco-conscious formulations. Its molecular structure allows simultaneous interaction with water and oils, making it versatile for both personal care and industrial applications where mild yet effective surface activity is required.
Physical and Chemical Properties
This surfactant typically appears as a viscous liquid ranging from pale yellow to amber, with a faint characteristic odor. Its aqueous solutions exhibit low surface tension (30-40 mN/m at 1% concentration) and demonstrate stability across a pH range of 4-9. The critical micelle concentration (CMC) falls between 0.1-0.5 g/L depending on chain length distribution. Chemically, it shows excellent compatibility with other anionic and nonionic surfactants but may precipitate in hard water unless combined with chelating agents. Thermal stability allows processing up to 80°C, beyond which gradual decomposition occurs. Analytical characterization typically includes acid value (<5 mg KOH/g), iodine value (5-15 g I2/100g), and moisture content (<0.5%).
Main Applications
In personal care, it serves as a primary surfactant in sulfate-free shampoos (5-15% concentration), baby washes, and sensitive skin formulations where mildness is paramount. Its excellent foaming properties (dense, creamy foam) make it ideal for high-end liquid soaps. The textile industry utilizes it as a scouring agent (1-3% bath concentration) for natural fibers due to its oil-removing capability without fiber damage. Industrial applications include metalworking fluids (as an emulsifier), paint strippers, and biodegradable cleaning systems. Emerging uses encompass agricultural adjuvants where its combination of wetting ability and low phytotoxicity proves valuable. In all applications, its renewable origin and ready biodegradability (typically >90% in 28 days) provide regulatory advantages.
Safety and Storage
As a mild surfactant, it carries minimal acute toxicity (oral LD50 >2000 mg/kg in rats) but concentrated solutions may cause temporary eye irritation. Proper PPE including gloves and goggles is recommended during handling. Storage requires corrosion-resistant containers (stainless steel or polyethylene) with nitrogen blanketing to prevent oxidation. Product stability is best maintained at ambient temperatures; freezing should be avoided as it may cause phase separation. Shelf life typically exceeds 12 months when stored properly. In case of spills, absorb with inert material and dispose according to local regulations - its biodegradability minimizes environmental impact compared to petrochemical surfactants.
B2B Procurement Guide
When sourcing Potassium Mono-Cocoate Phosphate, prioritize suppliers providing full technical dossiers including fatty alcohol distribution profiles (C12-C18 content). Key quality parameters are active matter content (typically 30-50%), residual alcohol (<0.5%), and color (APHA <200). Request certification for relevant standards such as ECOCERT/COSMOS for personal care applications. For industrial quantities (drum to tanker shipments), verify the supplier's ability to maintain consistency across batches. Sample evaluation should include performance testing in your specific application system. Pricing varies with coconut oil market fluctuations - long-term contracts with price adjustment clauses are advisable. Leading manufacturing regions include Southeast Asia (Malaysia, Indonesia) and Western Europe for high-purity grades.
Related Manufacturers
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