Propylene Glycol Phenyl Ether (PPH) CAS 770-35-4

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Introduction

Propylene Glycol Phenyl Ether (PPH), also known as 1-Phenoxy-2-propanol, is a high-boiling, slow-evaporating solvent with a wide range of industrial applications. This article explores its properties, applications, safety considerations, and regulatory frameworks.

Properties of Propylene Glycol Phenyl Ether (PPH)

Property	Value
CAS Number	770-35-4
Chemical Formula	C9H12O2
Molecular Weight	152.19 g/mol
Appearance	Clear, colorless liquid
Boiling Point	243°C (466°F)
Melting Point	11°C (51.8°F)
Density	1.06 g/cm³ at 20°C
Solubility in Water	15.1 g/L at 20°C
Vapor Pressure	<0.01 mmHg at 20°C
Flash Point	115°C (239°F)
Refractive Index	n 20/D 1.523 (lit.)
Odor	Mild, characteristic odor

Applications of Propylene Glycol Phenyl Ether (PPH)

Solvent for Paints and Coatings: Used as a solvent in paints, coatings, and films for its high boiling point and low volatility .

Ink Solvent: Used in ballpoint pen inks, stamp pads, and textile printing pastes .

Coalescent: Used in water-based architectural and industrial coatings to improve flow and leveling .

Cosmetics and Cleaning Products: Used as a preservative and solvent in cosmetics, soaps, and cleaning products .

Metalworking Fluids: Used as a dye solubilizer and viscosity reducer in metalworking fluids .

Textile Dyes: Used as a carrier solvent for textile dyes .

Comparison of Propylene Glycol Phenyl Ether (PPH) with Alternatives

Application	Propylene Glycol Phenyl Ether (PPH)	Alternatives
Solvent for Paints and Coatings	High boiling point, low volatility	Acetone, Toluene
Ink Solvent	Slow-evaporating, high solubility	Ethanol, Isopropanol
Coalescent	Excellent flow and leveling properties	Ethylene Glycol, Propylene Glycol
Cosmetics and Cleaning Products	Mild, non-irritating	Formaldehyde, Benzyl Alcohol
Metalworking Fluids	High solubility, viscosity reduction	Mineral Oil, Polyethylene Glycol
Textile Dyes	High dye solubility and carrier properties	Dimethylformamide, Dimethyl sulfoxide

Safety Considerations

Toxicity: Moderately toxic by ingestion and skin contact. Experimental reproductive effects .

Handling Precautions: Protective measures should be taken, such as wearing appropriate protective equipment and operating in a well-ventilated environment.

Storage: Should be stored in a cool, dry, and properly ventilated area free from any risk of ignition.

Regulatory Frameworks

Industry Standards: Complies with global safety and quality standards for industrial chemicals.

Environmental Compliance: Meets regulatory requirements for low VOC (volatile organic compound) emissions.

Market Feedback

Propylene Glycol Phenyl Ether (PPH) has received positive feedback for its effectiveness in enhancing the performance of various formulations. Its unique properties make it a popular choice for manufacturers in the fields of paints, coatings, and cosmetics .

Conclusion

Propylene Glycol Phenyl Ether (PPH) stands out as a versatile and high-performance solvent with a wide range of applications in various industrial sectors. It offers reliable solutions for enhancing solubility, stability, and performance in a variety of materials.

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