Phenoxyisopropanol
Description
Phenoxyisopropanol (CAS 770-35-4), also sold as Propylene Glycol Phenyl Ether, is a slow-evaporating glycol ether solvent with broad utility across coatings, personal care, and adhesive formulations.
Its low volatility and coupling efficiency make it a practical choice for formulators managing solvent balance and preservation performance simultaneously. In waterborne coatings and architectural paints, it functions as a coalescing aid.
It acts as a coupling solvent, improving film formation without the regulatory burden of conventional glycol ethers. Personal care formulators incorporate it as both a solvent carrier and a preservative booster.
This is particularly useful in rinse-off and leave-on products where broad-spectrum antimicrobial support is required. Adhesive and sealant manufacturers use it to adjust viscosity and improve substrate wetting in water-based systems.
It also serves as a co-solvent in industrial cleaning formulations where controlled evaporation rate and compatibility with surfactant systems are priorities. The material is supplied as a clear liquid in drum and IBC quantities.
It is available in cosmetic-grade and technical-grade specifications to meet the sourcing requirements of both personal care and industrial buyers. Purity levels are typically 99% or higher for cosmetic applications.
Physical Properties
| Melting Point | <25 °C |
| Boiling Point | 69 °C @ Press: 0.5 Torr |
| Density | 1.0622 g/cm³ @ Temp: 20 °C |
| Flash Point | >230 °F |
| Appearance | colourless liquid |
| Color | Clear Colourless |
| Form | Oil |
| Water Solubility | 15.1g/L at 20℃ |
| Vapor Pressure | 1Pa at 20℃ |
| Refractive Index | n 20/D 1.523(lit.) |
| Log P | 1.41 at 24.1℃ |
Safety & Handling (Learn More)
Trade & Regulatory
| HS Code | 29094990 |
| Storage Class | 10 - Combustible liquids |
| WGK (Germany) | 1 |
Documentation
Other Names
Propylene Glycol Phenyl Ether|1-phenoxypropan-2-ol|1-phenoxy-2-propanol
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