| Formula / Notation | Bi |
|---|---|
| CAS Number | 7440-69-9 |
| Molecular Weight | 208.98 |
| Melting Point | 271.5 |
| Boiling Point | 1564.0 |
| Density | 9.79 |
| Solubility | Insoluble in water |
| Appearance | Brittle, lustrous, silvery-pink metal; crystals show rainbow iridescence |
| Also Known As | Bi, bismuth metal |
| Category | Elements |
What is Bismuth?
Bismuth is a brittle, silvery-pink post-transition metal, atomic number 83. Has the highest natural diamagnetism of any element. Its crystals form beautiful hopper-shaped formations with rainbow iridescent oxide surface. Relatively non-toxic - used as replacement for lead in many applications.
Formula & Notation
IUPAC Name: Bismuth
Other Names / Synonyms: Bi, bismuth metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 271.5 |
| Boiling Point | 1564.0 |
| Density | 9.79 |
| Molecular Weight | 208.98 |
| Solubility | Insoluble in water |
| Appearance | Brittle, lustrous, silvery-pink metal; crystals show rainbow iridescence |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Bismuth is a brittle, silvery-pink post-transition metal, atomic number 83. Has the highest natural diamagnetism of any element. Its crystals form beautiful hopper-shaped formations with rainbow iridescent oxide surface. Relatively non-toxic - used as replacement for lead in many applications.
Bismuth subsalicylate (Pepto-Bismol - treats diarrhoea, nausea). Low-melting alloys (Bi-In-Sn for fire safety devices, fusible plugs). Lead-free solder replacement. Bismuth oxychloride in cosmetics (pearl lustre). Nuclear reactor coolant (Pb-Bi eutectic). Crystal collecting.
Bismuth metal: low acute toxicity - one of least toxic heavy metals. Bismuth compounds used medicinally. High doses cause neurological symptoms (bismuth encephalopathy - reversible). Generally safe as lead replacement. Bismuth subsalicylate: contains salicylate (aspirin-like) - caution in children.
The formula or notation for Bismuth is: Bi