CaH4SO6 — Properties & Data | MatWorld

CaH4SO6

ceramic

· JVASP-52255· CaH4SO6

CaH₄SO₆ (calcium bisulfite) is an inorganic ceramic compound containing calcium, hydrogen, sulfur, and oxygen. This material belongs to the sulfite mineral family and is primarily encountered in industrial chemistry rather than as a structural ceramic for load-bearing applications. It is used as a reducing agent, preservative, and bleaching compound in pulp and paper manufacturing, water treatment, and food processing industries, where its chemical reactivity and solubility make it valuable for applications requiring sulfite chemistry; however, it is not typically selected for high-temperature or mechanical-performance-critical engineering roles compared to conventional oxide ceramics.

pulp and paper bleachingwater treatment chemistryfood preservationreducing agent applicationschemical processing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.324	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	5.825	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.623	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000833	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000259	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-134.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	427.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02260	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.639	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.

CaH4SO6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental