NaCrO3 — Properties & Data | MatWorld

NaCrO3

ceramic

· NaCrO3

Sodium chromate (NaCrO₃) is an inorganic ceramic compound containing chromium in oxidized form, typically encountered as a crystalline solid in industrial chemistry applications. It serves primarily as a chemical intermediate and corrosion inhibitor in coatings, metal treatment, and water treatment systems, where its chromate functionality provides oxidizing properties and passivation of ferrous substrates. While less common than chromium oxide ceramics in structural applications, sodium chromate is valued in electroplating, paint formulations, and industrial preservation contexts for its chemical reactivity and ability to inhibit rust formation on steel and iron components.

corrosion inhibition coatingsmetal surface treatmentwater treatment chemistryelectroplating solutionsrust prevention pigmentsindustrial chemical intermediate

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.079	kg/m³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · PBE
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)3 entries	0.2000	μB	DFT
↳	0.3190	μB	DFT
↳	0.000	µB	DFT · OptB88vdW

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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.1745	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)3 entries	-1.743	eV/atom	DFT
↳	0.06000	eV/atom	DFT
↳	-1.934	eV/atom	DFT · OptB88vdW

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.

NaCrO3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental