Si4 P8 O28 — Properties & Data | MatWorld

Si4 P8 O28

ceramic

· Si4 P8 O28

Si₄P₈O₂₈ is a phosphosilicate ceramic compound combining silicon, phosphorus, and oxygen into a complex network structure. This material belongs to the family of phosphate-based ceramics and silicophosphates, which are primarily of research and specialized industrial interest rather than commodity materials. Phosphosilicate ceramics are explored for applications requiring thermal stability, chemical inertness, and potential biocompatibility, though this specific composition appears to be a research compound rather than an established industrial product. Engineers would consider this material family for specialized applications where conventional oxides fall short, such as high-temperature coatings, bioactive substrates, or chemically resistant systems.

advanced ceramics researchhigh-temperature coatingsbioactive materialschemical resistance applicationsphosphate ceramic systemsspecialty inorganic compounds

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	6.295	eV	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.383	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Si4 P8 O28

Electrical Properties

Other Properties

Regulatory Screening

Environmental