Description

Perhydropolysilazane (PHPS) is a key inorganic polymer precursor, widely recognized for its role in forming high-purity silicon-based ceramic and glass coatings. This compound is valued for its ability to deliver exceptional chemical resistance, thermal stability, and optical clarity in final materials. It is an essential raw material for manufacturers in the electronics, optics, and advanced ceramics industries seeking to enhance product performance through innovative coating technologies.

Application

• Electronic Passivation Layers: Used as a spin-on-glass (SOG) precursor to form insulating and protective SiO2 films on semiconductors and electronic components.
• Optical Coatings: Serves as a base material for anti-reflective, scratch-resistant, and barrier coatings on lenses, displays, and optical sensors.
• Ceramic Matrix Composites (CMCs): Acts as a pre-ceramic polymer for the infiltration and binding of ceramic fibers, enhancing mechanical strength and oxidation resistance.
• Gas Barrier Films: Applied to create ultra-thin, high-performance silicon oxide barrier layers on flexible packaging and organic electronics to prevent moisture and oxygen permeation.
• Surface Modification: Utilized to impart hydrophobicity, oleophobicity, or improved adhesion to various substrates including metals, plastics, and glass.
• Lithography: Functions as a hard mask or planarization layer in advanced semiconductor patterning processes.

Basic Information

Product Name	Perhydropolysilazane (PHPS)
CAS No.	122174-44-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Perhydropolysilazane; PHPS; Polysilazane, perhydro-; Inorganic polysilazane; Hydrogen polysilazane; Silicon nitride precursor; Spin-on-glass precursor; Ceramic precursor polymer
EINECS	Contact for details

Quality Control

Our Perhydropolysilazane (PHPS) is manufactured under strict quality management protocols. Each batch is analyzed to ensure consistent viscosity, solid content, and chemical composition, which are critical for reproducible coating performance. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and key physical parameters is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent exposure to atmospheric moisture, which can lead to premature polymerization or gelation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (as Si)	Contact for details
Solid Content	Contact for details
Viscosity (25°C)	Contact for details
Density (25°C)	Contact for details
Solvent	Dibutyl ether / Xylene

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.