SnBi5

ceramic

· JVASP-123850· SnBi5

SnBi5 is an intermetallic compound combining tin and bismuth, belonging to the ceramic/intermetallic materials class. This material is primarily of research and development interest rather than a widespread industrial standard, and is studied for potential applications in thermal management, electronic packaging, and low-melting-point solder systems where bismuth-rich compositions offer benefits in wettability and reduced toxicity compared to traditional lead-based alternatives. Its notable characteristics stem from the intermetallic phases formed in the Sn-Bi binary system, making it relevant for lead-free electronics manufacturing and specialized joining applications where controlled melting behavior and density properties are critical.

Lead-free solder researchElectronic packaging and interconnectsThermal interface materialsLow-temperature joiningBinary intermetallic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3309	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)	0.02730	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.02733	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.

SnBi5 — Properties & Data | MatWorld

SnBi5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental