Sn3Bi — Properties & Data | MatWorld

Sn3Bi

ceramic

· JVASP-110856· Sn3Bi

Sn3Bi is a tin-bismuth intermetallic compound belonging to the heavy metal alloy family, notable for its potential as a lead-free solder material and electronic joining system. This composition is primarily investigated in microelectronics and thermal management applications where lead-containing solders are being phased out due to environmental and health regulations. Engineers select Sn3Bi-based systems for their relatively low melting point and potential wettability characteristics, though specific performance data and processing requirements should be verified against your project's thermal cycling and mechanical stress demands.

lead-free solder alloyselectronics packaging and bondingthermal interface materialsmicroelectronic assemblyRoHS-compliant applicationsresearch-stage material systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2882	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	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)	0.07340	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.07344	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.

Sn3Bi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental