MgSO4

Name: MgSO4
Brand: MatWorld

ceramic

· MgSO4

Magnesium sulfate (MgSO₄) is an inorganic salt ceramic compound commonly known as Epsom salt in its heptahydrate form. In engineering applications, it serves primarily as a raw material for chemical production, a desiccant, and a filler in composite systems, with industrial relevance in construction, pharmaceutical manufacturing, and laboratory environments. Engineers select MgSO₄ for applications requiring mild alkalinity buffering, moisture absorption, or as a precursor phase in magnesium-based ceramic composites, though its solubility in water limits use in fully load-bearing structural roles compared to oxide ceramics like alumina or zirconia.

desiccant systemschemical feedstockcomposite fillerspharmaceutical manufacturingconstruction materialslaboratory reagent

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	11,431.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)	7,192.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1051	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	6.051	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.785	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.6533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.637	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000960	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00152	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-141.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	373.1	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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00700	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.063	eV/atom	DFT · OptB88vdW
↳	-2.180	eV/atom	Measured

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.

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.

MgSO4 — Properties & Data | MatWorld

MgSO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental