Tin, CAS No. 7440-31-5

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7440-31-5

Catalog No. EBD218354

CAS 7440-31-5

Name Tin

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Basic Information

Synonyms: Pewter PewterPowder PigmentMetal5 tincoatingqualitybalzers TinshotNmm Tinfoilmmxmm Tinpowderlowincarbon Tiningotmmdiameterxmmthick Tingranules Tinrodmmdiameterxmm Tinrodmmdiameter Tinwiremmdiameter TinfoilNmmthickcagxmm TinfoilNmmthickmmxmmpieces TinpowderNmesh TinshotNmesh Tinpowdermesh TinfoilNmmthickxmmwide Tinshotcammdia Tinpowder(99.8%) Tiningot Tinfoil(99+%) Tinshot Tinpowder(99.5%) Tinpowder Tinfoil,(99.99%)4N Tinfoil Tinmossy Tinsolution1000ppm Tinsolution10000ppm Tinmetalfoil Tin(metal)powder lambda~2~-stannane Tin

Molecular Formula: Sn

Molecular Weight: 118.71

MDL Number: MFCD00133862

Categories: Materials Chemistry > Inorganic and Functional Nanomaterials > Metal Nanoparticle and Alloy Precursors Synthetic Chemistry > Organometallic Reagents > Organotin Reagents

Product Description:

Tin (Sn, CAS 7440-31-5) is a post-transition metal in group 14 of the periodic table. It exists in two main allotropes: gray (α-tin) and white (β-tin). The most common form at room temperature is the silvery-white, malleable β-tin. It has a relatively low melting point of 231.93°C and is resistant to corrosion from water and air. Tin has diverse and significant industrial applications. Its primary use is in the production of tinplate (steel coated with tin) for food and beverage cans. It is also a key component in various alloys, most notably solder (tin-lead and lead-free varieties), bronze (tin-copper), and pewter. In the field of materials chemistry, tin and its compounds are crucial precursors for functional materials, including tin-based nanoparticles for energy storage (e.g., lithium-ion and sodium-ion battery anodes), transparent conductive oxides (TCOs) like indium tin oxide (ITO), and as catalysts or catalyst supports. Furthermore, tin is fundamental in synthetic chemistry, particularly through organotin reagents. Compounds such as tributyltin hydride are widely used as radical reducing agents and mediators in organic synthesis. Tin metal itself can serve as a reducing agent in certain chemical processes. Due to the environmental and toxicological concerns associated with some organotin compounds (e.g., tributyltin oxide as a biocide), their use is increasingly regulated.

Physical Properties

Melting Point: 231.9 °C(lit.)

Boiling Point: 2270 °C(lit.)

Flash Point: 2270°C

Density: 7.310 g/mL at 25 °C(lit.)

Solubility: H2O: soluble

Analytical Data

Appearance: silver-white to grey powder or lump