Chlorotriphenyltin

Chlorotriphenyltin (CAS No. 639-58-7) 

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1. Basic Information

IUPAC Name: ChlorotriphenylstannaneSynonyms:Triphenyltin chlorideFentin chlorideTPTCCAS Number: 639-58-7Molecular Formula: C₁₈H₁₅ClSnMolecular Weight: 385.47 g/molAppearance: White crystalline powderOdor: Odorless

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2. Physical and Chemical Properties

Property	Value
Melting Point	103–106°C (217–223°F)
Solubility	– Water: Insoluble
	– Organic solvents: Soluble in benzene, chloroform, acetone
Density	1.49 g/cm³ (20°C)
Vapor Pressure	<0.1 mPa at 25°C

 

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3. Hazards (GHS Classification)

Acute Toxicity:Fatal if swallowed (H300)Fatal in contact with skin (H310)Fatal if inhaled (H330)Environmental:Very toxic to aquatic life (H410)Persistent and bioaccumulative (H413)NFPA Rating: Health 4, Flammability 1, Reactivity 1

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4. Storage and Handling

Storage:Keep in tightly sealed containers under inert gasStore in a cool, dry, well-ventilated area (2–8°C recommended)Handling:Use full-face respirator with organic vapor cartridgeWear chemical-resistant suit and neoprene glovesHandle only in fume hood with ≥100 fpm face velocity

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5. Applications

Agrochemicals:Fungicide for potatoes and sugar beets (banned in many countries)Industrial:PVC stabilizer (historical use)Research:Catalyst in organic synthesis

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