KBrO3 — Properties & Data | MatWorld

KBrO3

ceramic

· KBrO3

Potassium bromate (KBrO₃) is an inorganic salt ceramic compound commonly used as an oxidizing agent and food additive in industrial applications. It is employed primarily in flour treatment for baking, water purification, and analytical chemistry, where its oxidative properties improve dough conditioning and disinfection performance. Engineers and chemists select KBrO₃ over alternative oxidants in food processing due to its stability, controlled reactivity, and proven efficacy in enhancing gluten development, though regulatory restrictions in some regions have shifted demand toward alternative bleaching agents.

flour treatment and dough conditioningwater disinfectionanalytical oxidizing reagentchemical synthesisfood processing additiveslaboratory oxidant

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.318	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.762	eV	DFT · OptB88vdW
↳	4.871	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	6.894	-	DFT · OptB88vdW
↳	7.120	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.663	-	DFT · OptB88vdW
↳	2.925	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.6533	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.410	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.2693	C/m²	DFT · OptB88vdW
↳	0.6837	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00162	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00105	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-220.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	314.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

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)	0.04780	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7073	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.

KBrO3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental