Bismuth is a post-transition metal with atomic number 83 and symbol Bi, known for its brittleness and distinctive pinkish-white appearance. Indian Stalwart Global Sourcing Company supplies high-purity Bismuth in kilogram units, suitable for diverse industrial and chemical applications. This metal is highly valued for its unique physical properties, including low thermal conductivity and its counterintuitive expansion upon solidification. Bismuth crystallizes in a rhombohedral structure often forming hopper crystals with an iridescent oxide layer, displaying a spectrum of vibrant colors due to thin-film interference of its Bi₂O₃ surface. Its rarity in the Earth's crust, comparable to silver, makes it a significant metal for specialty uses. Applications include alloys for low-melting solders, fire detectors, and fuses, as well as pharmaceutical uses such as in stomach remedies and roles as pigments or catalysts in chemical processes. The vibrant crystal structure and chemical uniqueness make this Bismuth ideal for industrial buyers seeking reliable, quality sourcing from an experienced supplier with minimum order quantities as low as 1 KG, facilitating both bulk and smaller batch procurement.
Key Features
| Features | Description |
|---|---|
| Chemical Symbol | Bi |
| Atomic Number | 83 |
| Appearance | Brittle, pinkish-white post-transition metal |
| Crystal Structure | Rhombohedral with hopper crystal growth |
| Special Properties | Low thermal conductivity, expands upon solidification |
| Iridescent Surface | Thin-film interference oxide layer producing vibrant colors |
| Occurrence | Naturally found in elemental form and ores like bismuthinite |
| Applications | Alloys for low-melt solders, fire detectors, fuses, pharmaceuticals, pigments, catalysts |
| MOQ | 1 KG |
| Packaging Unit | Kilogram |
| Attributes | Description |
|---|---|
| Purity | High purity standard suitable for industrial use |
| Form | Crystalline metal with hopper crystal morphology |
| Oxide Layer Thickness | Tens to hundreds of nanometers varying across crystals |
| Thermal Conductivity | Low compared to most metals |
| Expansion | Expands upon solidification |
| Physical State | Solid at room temperature |
| Packaging | Available in bulk packaging as per customer requirements |
| Origin | Sourced and supplied by Indian Stalwart Global Sourcing Company |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
The Bismuth supplied by Indian Stalwart Global Sourcing Company meets high purity standards suitable for industrial and chemical applications.
Bismuth is available in bulk kilograms, with a minimum order quantity of 1 KG, and packaging can be customized based on buyer requirements.
The thin oxide layer on Bismuth crystals causes thin-film interference, producing iridescent colors that range from blues and greens to yellows, which is a distinct identifying feature.
Yes, Bismuth compounds are used to treat stomach issues and are also utilized in pigments and catalysts, making the metal suitable for pharmaceutical and chemical industries.
Bismuth possesses low thermal conductivity compared to most metals, making it valuable in thermal applications requiring heat insulation.
Country Of Origin: India
Looking for Bismuth? Indian Stalwart Global Sourcing Company is the best place for your procurement requirements.
Bismuth is a chemical element with the symbol Bi and atomic number 83. It's a brittle, pinkish-white post-transition metal known for its iridescent oxide layer on crystals.
Properties :
Bismuth has a low thermal conductivity and expands upon solidification, unlike most metals. It crystallizes in a rhombohedral structure and shows unique high-pressure phases like Bi-II and Bi-III.
This hopper crystal displays the colorful thin-film interference from its oxide surface.
Occurrence :
Found naturally as the element or in ores like bismuthinite, it's rare in Earth's crust (about as abundant as silver).
Common in alloys for low-melt solders, fire detectors, and fuses due to its expansion. Bismuth compounds treat stomach issues (e.g., Pepto-Bismol) and serve as pigments or catalysts.
Bismuth crystals display iridescent colors due to thin-film interference from their oxide layer.
Mechanism :
When molten bismuth cools and solidifies, it rapidly forms a thin bismuth oxide (Bi₂O₃) layer on the surface through oxidation. Light waves reflecting off the top of this oxide layer interfere with waves reflecting off the underlying metal surface; constructive interference amplifies certain wavelengths (colors), while destructive interference cancels others, producing vivid hues like blues, greens, pinks, and yellows.
Oxide Thickness :
The oxide layer varies in thickness across the crystal—from tens to hundreds of nanometers—due to uneven cooling rates and the hopper crystal growth, where edges form faster. Thinner areas reflect shorter wavelengths (blues/violets), thicker ones longer wavelengths (yellows/oranges), mimicking effects in soap bubbles or oil slicks.
This crystal showcases the full spectrum from varying oxide thicknesses.
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