CAS 7646-78-8 Tin(IV) chloride solution - Materials / Alfa Chemistry

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Tin(IV) chloride solution

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Catalog Number

ACM7646788

CAS Number

7646-78-8

Product Name

Tin(IV) chloride solution

Structure

Category

Electrolytes

Description

Stannic chloride, anhydrous is a colorless fuming liquid with a pungent odor. It is soluble in cold water and decomposed by hot water to form hydrochloric acid with the evolution of heat. It is corrosive to metals and tissue.;Liquid;Liquid;COLOURLESS OR SLIGHTLY YELLOW FUMING LIQUID WITH PUNGENT ODOUR.

IUPAC Name

tetrachlorostannane

Molecular Weight

260.5g/mol

Molecular Formula

SnCl4;SnCl4;Cl4Sn

Canonical SMILES

Cl[Sn](Cl)(Cl)Cl

InChI

InChI=1S/4ClH.Sn/h4*1H;/q;;;;+4/p-4

InChI Key

HPGGPRDJHPYFRM-UHFFFAOYSA-J

Boiling Point

114.15 °C;114 °C

Melting Point

-33 °C;-33°C;-33 °C

Density

2.34 g/cu cm;Relative density (water = 1): 2.26

Solubility

Soluble in acetone, ethanol, gasoline, benzene, carbon tetrachloride, toluene, kerosene, methanol;Sol in cold water (decomposes in hot water), carbon disulfide;Soluble in ethanol, carbon tetrachloride, benzene and acetone.;Solubility in water: reaction

Application

Tin(IV) chloride solution serves a versatile purpose across various industries and applications. It is a colorless, fuming liquid that turns into a crystalline solid upon contact with water, forming SnCl4·5H2O. This solution is soluble in cold water, alcohol, and carbon disulfide but is decomposed by hot water. Known for its electroconductive and electroluminescent properties, Tin(IV) chloride solution is utilized in producing coatings, stabilizing perfumes, and as a mordant in textile dyeing. It plays a role in manufacturing fuchsin and color lakes, as well as in ceramic coatings and as a bleaching agent for sugar. Additionally, it stabilizes certain resins and contributes to the creation of blueprint and sensitized papers. The solution is also involved in the synthesis of other tin salts and serves to control bacteria and fungi in soaps. Often sold as a double salt with sodium chloride (Na2SnCl6·H2O), it acts as a Lewis acid and catalyst in various chemical reactions. Its use also extends to the glass industry for external coatings that enhance durability and in selective nitration processes. However, due care must be taken due to its potential reactive and hazardous nature when in contact with water, moist air, or certain organic compounds.

Color/Form

Colorless fuming liquid

Complexity

19.1

Corrosivity

Corrosive to metals;Will attack some forms of plastics, rubber, & coatings.

Covalently-Bonded Unit Count

EC Number

231-588-9

Exact Mass

261.774663g/mol

Formal Charge

Heavy Atom Count

ICSC Number

0953

MeSH Entry Terms

SnCl4;stannic chloride;tin tetrachloride

Monoisotopic Mass

259.777613g/mol

NSC Number

209802

Odor

ACRID

Other Experimental

FUMES IN MOIST AIR;White or slightly yellow crystals or fused small lumps; slight hydrochloric acid odor; very sol in water; sol in alcohol /stannic chloride pentahydrate/;MP: approx 56 deg (decomposes); density: 2.04 g/cu cm /Stannic chloride, pentahydrate/;Monoclinic crystals, /Stannic chloride, pentahydrate/;Deliquescent solid/Stannic chloride, pentahydrate/;Opaque; bp: stable 56 to 83 °C; sol in cold water /Stannic chloride, tetrahydrate/;Colorless monoclinic crystals; mp: 80 °C; bp: stable 64 to 83 °C; sol in cold water /Stannic chloride, trihydrate/;Heat of fusion: 9.20 kJ/mol;Dielectric constant: 2.97 @ 20 °C;Reacts with water.

Refractive Index

INDEX OF REFRACTION: 1.512

Rotatable Bond Count

RTECS Number

XP8750000

UN Number

1827;1827;1827;1827

Vapor Density

9 (air= 1);Relative vapor density (air = 1): 9.0

Vapor Pressure

18 MM HG AT 20 °C;Vapor pressure, kPa at 20 °C: 2.4

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