Ca4 S4 O16

ceramic

· Ca4 S4 O16

Ca₄S₄O₁₆ is a mixed calcium sulfate-oxide ceramic compound that belongs to the family of sulfur-containing ceramics and calcium compounds. This material is primarily of research interest rather than established commercial use, with potential applications in refractory systems, cement chemistry, and specialized high-temperature environments where sulfur-bearing phases must be managed or exploited.

refractory ceramicscement chemistry researchhigh-temperature oxidation resistancesulfur-containing phase studiesmaterials research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	6.563	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.320	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.

Ca4 S4 O16

Electrical Properties

Other Properties

Regulatory Screening

Environmental