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Tin(IV) chloride

Tin(IV) chloride, also known as tin tetrachloride or stannic chloride, is an inorganic compound with the formula SnCl4. It is a colourless hygroscopic liquid, which fumes on contact with air. It is used as a precursor to other tin compounds. It was first discovered by Andreas Libavius (1550–1616) and was known as spiritus fumans libavii.

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Further Information

Names

IUPAC namesTetrachlorostannane
Tin tetrachloride
Tin(IV) chloride

Other names

Stannic chloride

Identifiers

CAS Number: 7646-78-8

JSmol: Interactive image

ChemSpider: 22707

ECHA InfoCard: 100.028.717

EC Number: 231-588-9

PubChem: 24287

RTECS number: XP8750000

UN number: 1827

Properties

Chemical formula: SnCl

Molar mass: 260.50 g/mol (anhydrous)
350.60 g/mol (pentahydrate)

Appearance: colorless to slightly yellow fuming liquid

Odor: acrid

Density: 2.226 g/cm (anhydrous)
2.04 g/cm (pentahydrate)33

Melting point: −34.07 °C (−29.33 °F; 239.08 K) (anhydrous)
56 °C (133 °F; 329 K) (pentahydrate)

Boiling point: 114.15 °C (237.47 °F; 387.30 K)

Solubility in water: hydrolysis,very hygroscopic (anhydrous)
very soluble (pentahydrate)

Solubility: alcohol

Vapor pressure: 2.4 kPa

Magnetic susceptibility: −115·10 cm/mol−63

Refractive index: 1.512

Structure

Crystal structure: monoclinic (P21/c)

Hazards

Safety data sheet: ICSC 0953

EU classification: C

R-phrases: R34 R52/53

S-phrases: (S1/2) S7/8 S26 S45 S61

NFPA 704:

Related compounds

anions: Tin(IV) fluoride

cations: Carbon tetrachloride

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).

Infobox references