T

Tin(IV) oxide

IUPAC: bis(oxygen(2-));tin(4+)

O2Sn Inorganic Compounds CAS 18282-10-5
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Quick Reference
Formula / NotationO2Sn
CAS Number18282-10-5
Molecular Weight150.71
Melting Point2966 °F (Decomposes) (NIOSH, 2024)
Boiling PointDecomposes (NIOSH, 2024)
Density6.95 (NIOSH, 2024) - Denser than water; will sink
SolubilityInsoluble (NIOSH, 2024)
AppearanceTin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydroc...
Also Known Asbis(oxygen(2-));tin(4+); Tin oxide (SnO2); KM7N50LOS6; DTXSID8042474; CI 77861; C.I. 77861; Stannoxyl; Putty powder; Polishing powder; Tin ash
CategoryInorganic Compounds

What is Tin(IV) oxide?

Tin(IV) oxide (O2Sn) is an inorganic compound that appears as Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydroc.... It has a molecular weight of 150.71 g/mol. Its IUPAC name is bis(oxygen(2-));tin(4+). Boiling point: Decomposes (NIOSH, 2024). Melting point: 2966 °F (Decomposes) (NIOSH, 2024).

Formula & Notation

O2Sn

IUPAC Name: bis(oxygen(2-));tin(4+)

Other Names / Synonyms: bis(oxygen(2-));tin(4+); Tin oxide (SnO2); KM7N50LOS6; DTXSID8042474; CI 77861; C.I. 77861; Stannoxyl; Putty powder; Polishing powder; Tin ash

Properties & Characteristics

Appearance: Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydroc.... Molecular formula: O2Sn. Molecular weight: 150.71 g/mol. Boiling point: Decomposes (NIOSH, 2024). Melting point: 2966 °F (Decomposes) (NIOSH, 2024). Density: 6.95 (NIOSH, 2024) - Denser than water; will sink. Solubility: Insoluble (NIOSH, 2024). Vapor pressure: 0 mmHg (approx) (NIOSH, 2024).

Physical Data

PropertyValue
Melting Point2966 °F (Decomposes) (NIOSH, 2024)
Boiling PointDecomposes (NIOSH, 2024)
Density6.95 (NIOSH, 2024) - Denser than water; will sink
Molecular Weight150.71
SolubilityInsoluble (NIOSH, 2024)
AppearanceTin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydroc...

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Tin(IV) oxide
Formula O2Sn
CAS Number 18282-10-5
Molecular Weight 150.71
Synonyms bis(oxygen(2-));tin(4+); Tin oxide (SnO2); KM7N50LOS6; DTXSID8042474; CI 77861; C.I. 77861; Stannoxyl; Putty powder; Polishing powder; Tin ash

Frequently Asked Questions

Tin(IV) oxide (O2Sn) is an inorganic compound that appears as Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127 °C, Sublimes: 1800-1900 °C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydroc.... It has a molecular weight of 150.71 g/mol. Its IUPAC name is bis(oxygen(2-));tin(4+). Boiling point: Decomposes (NIOSH, 2024). Melting point: 2966 °F (Decomposes) (NIOSH, 2024).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.