Ca3Si

ceramic

· JVASP-129893· Ca3Si

Calcium silicide (Ca₃Si) is an intermetallic ceramic compound belonging to the silicide family, characterized by strong calcium-silicon bonding and typically used in specialized high-temperature and chemical applications. While not a mainstream structural ceramic, Ca₃Si and related silicides are of interest in metallurgical processing (particularly as deoxidizers and desulfurizers in steel production) and in research contexts for refractory materials and advanced ceramic composites. Its potential in thermal management and as a precursor for ceramic matrix composites makes it relevant to engineers working in extreme-environment applications, though most industrial adoption remains in legacy metallurgical processes.

steel deoxidation and desulfurizationhigh-temperature refractory systemsmetallurgical additivesceramic composite precursorsresearch/experimental applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.251	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1235	eV/atom	—
Formation Energy(ΔHf)	-0.2949	eV/atom	—

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

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.

Ca3Si

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental