| Formula / Notation | Sn |
|---|---|
| CAS Number | 7440-31-5 |
| Molecular Weight | 118.71 |
| Melting Point | 231.9 |
| Boiling Point | 2602.0 |
| Density | 7.27 |
| Solubility | Insoluble in water |
| Appearance | Silvery, malleable, slightly bluish-white metal |
| Also Known As | Sn, stannum, tin metal |
| Category | Elements |
What is Tin?
Tin is a silvery, malleable post-transition metal, atomic number 50. Has two allotropes: grey tin (alpha, brittle, below 13.2 C) and white tin (beta, normal form). Used since antiquity in bronze (Cu-Sn alloy). Tin cans are steel coated with tin.
Formula & Notation
IUPAC Name: Tin
Other Names / Synonyms: Sn, stannum, tin metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 231.9 |
| Boiling Point | 2602.0 |
| Density | 7.27 |
| Molecular Weight | 118.71 |
| Solubility | Insoluble in water |
| Appearance | Silvery, malleable, slightly bluish-white metal |
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
Tin is a silvery, malleable post-transition metal, atomic number 50. Has two allotropes: grey tin (alpha, brittle, below 13.2 C) and white tin (beta, normal form). Used since antiquity in bronze (Cu-Sn alloy). Tin cans are steel coated with tin.
Tin plating on steel (tin cans - food packaging). Solder (Sn-Pb or Sn-Ag-Cu lead-free). Bronze alloys (Cu-Sn). Organ pipes. Pewter alloy. Organotin compounds as PVC stabilisers and biocides. Tin(IV) oxide in glass-ceramics.
Tin metal: low acute toxicity. Organic tin compounds (tributyltin, triphenyltin): highly toxic endocrine disruptors - banned in antifouling paints. Inorganic tin compounds: moderately toxic. Tin oxide dust: mild respiratory irritant. Tin pest failure in extreme cold.
The formula or notation for Tin is: Sn