KNaS2O7 — Properties & Data | MatWorld

KNaS2O7

ceramic

· JVASP-96795· KNaS2O7

Potassium sodium disulfate (KNaS2O7) is an inorganic salt ceramic compound containing sulfate groups, typically encountered as a crystalline solid in industrial chemistry applications. This material appears primarily in chemical processing, metallurgical operations, and laboratory settings where mixed alkali sulfates serve functional roles in flux systems, thermal treatment processes, or analytical chemistry. KNaS2O7 is notable for its thermal stability and hygroscopic properties, making it relevant in high-temperature metallurgical contexts where it can act as a flux or processing aid, though it is less commonly specified as a primary structural or functional ceramic compared to traditional oxide ceramics.

metallurgical flux systemshigh-temperature chemical processinglaboratory analytical chemistrythermal treatment operationsindustrial salt formulationssulfate-based compositions

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.642	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.722	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.722	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.

KNaS2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental