seeba Fact Sheet
Bismuth: Cas Number 7440-69-9

 

The fact sheet is generated by materials/substance legislation compliance software produced by PlesTech Ltd.,

Substance: Bismuth (Bi) - Metal

Physical Properties

Atomic / Molecular weight = 208.9
Density = 9.8 gm/cc
Melting temperature = 271oC
Boiling point = 1560oC
Specific heat = 0.0294 cal/oC at 20oC
Resistivity = 1.25 ohms-mm2 / m at 20oC

Toxicity

Contact with bismuth can cause dermatitis. It also can effect the kidneys, eyes, liver, heart and central
nervous system.

Applications

Used for a low temperature no-lead solder.

Bismuth alloys are particularly good for sharp castings of products subject to damage by high temperatures,
because it expands 3.32% on solidification. With other metals such as tin, cadmium, etc., bismuth forms
low-melting alloys which are extensively used for safety devices in fire detection and extinguishing systems.

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