NaH3SO5

ceramic

· JVASP-52841· NaH3SO5

Sodium bisulfite (NaH₃SO₅) is an inorganic salt compound classified as a ceramic material, commonly encountered as a white crystalline solid with oxidizing and reducing properties depending on reaction conditions. It is primarily used in water treatment, pulp and paper bleaching, food preservation, and chemical processing applications where its mild oxidizing capability and ability to form bisulfite complexes are valuable. Engineers select this material for cost-effectiveness in large-volume industrial processes requiring pH control, dechlorination, or antimicrobial action, though its hygroscopic nature and reactivity with strong oxidizers necessitate careful handling and storage considerations.

water treatment and dechlorinationpulp and paper bleachingfood and beverage preservationchemical synthesis and reducing agenteffluent treatment

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07796	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	5.801	eV	DFT · OptB88vdW
↳	8.593	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.413	-	DFT · OptB88vdW
↳	1.935	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00113	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000263	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-159.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	464.4	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.388	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.

NaH3SO5 — Properties & Data | MatWorld

NaH3SO5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental