Stannous Chloride

Stannous Chloride

Basic Information

Chemical Name: Acrolein

Synonyms: Acrylaldehyde, 2-Propenal

Chemical Formula: C₃H₄O

CAS Number: 107-02-8

Molecular Weight: 56.06 g/mol

SnO≧98.00%

Chloride≦0.030%

Key Properties

1. Physical Properties:

Colorless or yellowish transparent liquid with an intensely pungent, irritating, and suffocating odor (resembling burnt fat or plastic).

Boiling Point: 52.5 °C

Melting Point: -87.7 °C

Density: 0.839 g/cm³

Highly volatile, flammable, and soluble in water, ethanol, ether, and other organic solvents.

2. Chemical Properties:

Contains both a carbon-carbon double bond and an aldehyde group, making it highly reactive.

Prone to polymerization (especially under light, heat, or contact with bases). Typically stored with an inhibitor (e.g., hydroquinone).

Undergoes addition, oxidation, condensation, and other reactions.

Production & Sources

Industrial Synthesis: Primarily via propylene oxidation (catalytic vapor-phase oxidation of propylene with air).

Natural Sources: Formed during incomplete combustion or pyrolysis of organic matter (e.g., fats, glycerol). Present in:

Cooking Oil Fumes: From high-temperature frying.

Tobacco Smoke: A major harmful component of cigarette smoke.

Vehicle Exhaust and Industrial Emissions.

Smoke from forest fires or building fires.

Primary Uses

In the field of electroplating,it is used for tin plating ,copper tin alloy plating of mechanical parts and sensitization treatment before silver plating on insulating surface,silver plating on glass  and metal plating on vairous plastics.

In the plating and dyeing industry,it is used as a reducing agent for making dye intermediates,as a color medium in dyeing and as a color shifting agent in printing.

Used as stabilizer and bleach of spices.

Used as food reducing agent and antioxidant.

Catalysts for organic synthesis reaction and polycondensation reaction.

Used in pharmaceutical intermediates,mainly for the production of anti AIDS drugs.

Safety Precautions

Handling: Must be used in closed systems with adequate ventilation. Requires specialized chemical protective equipment (respirator, chemical goggles, protective suit).

Storage: Store under refrigeration, in the dark, under an inert atmosphere (e.g., nitrogen), and with added stabilizer.

Spill Response: Must be handled by professionals using specialized equipment. Evacuate non-essential personnel.

Summary: Stannous chloride,107-02-8 is a strong reducing agent and important industrial chemical,it can be used in electroplating ,dyeing,food,pharmaceutical industry.

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