Hexylene glycol
Description
Hexylene glycol (CAS 107-41-5), also marketed as MPD, is a multifunctional diol solvent used across coatings, personal care, and polymer manufacturing. It functions as a solvent, humectant, and coupling agent.
This versatile chemical helps formulators achieve stable, homogeneous systems across a broad range of industrial formulations. In architectural and industrial coatings, it acts as a coalescing solvent and flow modifier.
The product improves film formation and leveling in waterborne systems, ensuring a high-quality finish. Personal care manufacturers incorporate it into skin creams, lotions, and toners as a humectant and preservation booster.
It enhances the efficacy of antimicrobial systems at low use levels, providing value in cosmetic formulations. In adhesives and sealants, it functions as a reactive diluent and stabilizer for better performance.
The solvent extends open time and improves substrate wetting during application. Polymer processors also use it as a plasticizer intermediate and chain extender in polyurethane and polyester resin production.
The material is supplied as a clear, low-viscosity liquid in bulk quantities including IBC totes and tanker loads. Drum packaging is also available for smaller volumes to meet diverse logistical needs.
Standard commercial supply meets technical-grade specifications for industrial use. Cosmetic-grade material conforming to established purity requirements is available for sensitive personal care applications.
Physical Properties
| Melting Point | -50 °C |
| Boiling Point | 198 °C @ Press: 760 Torr |
| Density | 0.92 g/cm³ |
| Flash Point | 201 °F |
| Appearance | liquid |
| Color | Clear |
| Odor | Ammonia-like. |
| Form | Slightly Viscous Liquid |
| Water Solubility | soluble |
| Vapor Pressure | 0.02 mm Hg ( 20 °C) |
| Refractive Index | n 20/D 1.427(lit.) |
| pH | 6-8 (25℃, 1M in H2O) |
| Log P | 0 at 20℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29053910 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Documentation
Other Names
alpha,alpha,alpha'-trimethyltrimethylene glycol|4-Methyl-2,4-pentanediol|2,4-Dihydroxy-2-methylpentane|2-Methylpentane-2,4-diol|2-Methyl-2,4-pentandiol|1,3,3-trimethyl-1,3-propanediol|1,3-dimethyl-3-hydroxybutanol|1,1,3-Trimethyltrimethylenediol|MPD
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