Fatty amine polyoxyethylene ether AC-1860 (CAS number: 26635-92-7), chemical name: octadecyl amine polyoxyethylene (60) ether, molecular weight approximately 2913. Under normal conditions, this product is nonionic, but it can convert to cationic type in acidic systems. This unique ionic property conversion allows it to exert surface activity in various pH environments. Appearance: light yellow to yellow-brown solid (melting point about 35~45°C), easily soluble in water and many organic solvents, easy to handle.
The core advantages of this product are reflected in "four strong and one stable": Strong emulsifying power - outstanding emulsifying ability for various oils, waxes, and organic solvents, forming stable emulsions; Good wetting and spreading - surface tension of 1% aqueous solution is about 30 mN/m, critical micelle concentration (CMC) is only about 0.001 g/L, effectively reducing interfacial tension; Excellent dispersibility - maintains excellent suspension and dispersion of pigments and dyes even under high temperature and high shear conditions; Outstanding chemical stability - remains active in acid, alkali, and hard water systems, with good alkali resistance, not prone to hydrolysis or failure. In addition, the product has low foam, active substance content ≥99%, tertiary amine content ≥95%, and is a high-purity fine chemical auxiliary.
From a safety perspective, the acute oral and dermal toxicity of this product are both low (LD50 both >2000 mg/kg), but it has moderate irritation to skin and eyes (GHS classification H315, H319), and is toxic to aquatic organisms (H401/H412). Protective gloves and goggles must be worn during operation to avoid direct contact and discharge into water bodies.
| Parameter Item | Value/Description |
|---|---|
| Chemical Name | Octadecyl amine polyoxyethylene (60) ether |
| CAS Number | 26635-92-7 |
| Ionic Type | Nonionic (cationic in acidic media) |
| Appearance | Light yellow to yellow-brown solid (paste-like) |
| HLB Value | 18 |
| Cloud Point | ＞100°C |
| Active Substance Content | ≥99% |
| pH Value (1% aqueous solution) | 6.0~8.0 |
| Hydroxyl Value | 36~40 mg KOH/g |
| Tertiary Amine Content | ≥95% |
| Amine Value | ≤5 mg KOH/g |
| Acid Value | ≤1 mg KOH/g |
| Iodine Value | ≤2 g I₂/100g |
| Surface Tension (1% aqueous solution, 25°C) | About 30 mN/m |
| Critical Micelle Concentration (CMC) | About 0.001 g/L (25°C) |
| Melting Point | About 35~45°C |
| Density (20°C) | About 1.0 g/cm³ |
| Moisture Content | ≤1% |
| Foam Property | Low foaming |
| Alkali Resistance | Excellent |
| Heavy Metal Content | ≤10 mg/kg |
| Arsenic Content | ≤2 mg/kg |
| Packaging Specifications | 50kg plastic drum / 200kg plastic drum / IBC tote |
Data source: Guoli Chemical Product Database
Based on its hydrophilic characteristics with HLB value 18 and excellent comprehensive performance, AC-1860 is recommended for the following applications: