1. Product Overview of Cocamidopropyl Dimethylamine CAS 68140-01-2 (CAPDA, PKO)
Cocamidopropyl Dimethylamine (abbreviation: CAPDA, commonly named PKO) is an amido tertiary amine derived from coconut fatty acid and dimethylaminopropylamine. It is a key raw material intermediate for producing cocamidopropyl betaine (CAPB) and cocamidopropyl amine oxide (CAO).
After neutralization with organic acids (citric acid / lactic acid), it converts to cationic active matter, featuring excellent hair conditioning, anti-static and detangling performance. Widely applied in personal care formulations and industrial surfactant systems.
2. Basic Chemical Information
INCI Name: Cocamidopropyl Dimethylamine
Aliases: N-[3-(dimethylamino)propyl] cocoamide, Cocoamidopropyl dimethylamine, PKO
CAS No.: 68140-01-2
EINECS No.: 268-771-8
Appearance: Pale yellow to amber clear viscous liquid
Odor: Slight characteristic fatty amine odor
Solubility: Insoluble in neutral pure water; soluble in alcohol, oils; water-dispersible under acidic neutralizationNature: Weakly alkaline tertiary amine
3. Core Product Features
- Important surfactant intermediate: Main feedstock for CAPB、CAO oxide production
- Excellent conditioning performance: Neutralized form delivers lubrication, anti-static, reduces hair tangling, low build-up on hair
- Good compatibility: Compatible with anionic, nonionic and amphoteric surfactants
- Hard water stability, assists thickening & foam stabilization in shampoo formulas
- Low irritation, suitable for mild shampoo, sulfate-free personal care systems
4. Main Applications
- Personal Care Industry (Major Usage)Two-in-one shampoo, hair conditioner, hair mask, leave-on hair care
Mild body wash, facial cleanser
Function: Hair detangling, anti-static, moisturizing, improve wet & dry combability
- Chemical Synthesis Intermediate
Raw material to synthesize:
Cocamidopropyl Betaine (CAPB)
Cocamidopropyl Amine Oxide (CAO-30)
- Industrial Fields
Textile softener, anti-static auxiliary, industrial mild cleaning formulations.
5. Typical Technical Specifications
Amine Value: 180 ~ 195 mgKOH/g
Color (Hazen): ≤400
Acid Value: ≤1.0 mgKOH/g
Free Amine: Low
Moisture: ≤0.5%
6. Packing & Storage
Packing: 180kg iron drum / plastic drum
Storage: Seal tightly, store in cool, dry & ventilated warehouse. Keep away from strong acid, oxidants. Avoid long-term high temperature exposure.
Shelf Life: 12 months under proper sealed storage.
7. Safety Reminder
Avoid direct contact with eyes and skin. Wear protective gloves during operation.Reacts with strong acids to form amine salts.
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