- Appearance: Colorless to pale yellow liquid
- Purity (GC): ≥95% (≥97% available)
- Moisture: ≤0.2%
- Refractive Index: 1.517–1.519
- Heavy Metals (Pb): ≤10 ppm
- Free Tributyltin: ≤0.5%
Application
2-(Tributylstannyl)thiophene is a key organotin intermediate for Stille coupling in organic synthesis. It introduces a thiophene ring into complex molecules, widely used in pharmaceutical, agrochemical, and advanced material synthesis. In pharma, it builds thiophene-containing APIs for anti-inflammatory, antimicrobial, and oncology drugs. In agrochemicals, it synthesizes thiophene-based fungicides and herbicides with high selectivity. In optoelectronics, it prepares conjugated polymers, organic semiconductors, and OLED materials, enhancing charge transport and stability. It also serves as a research reagent in cross-coupling chemistry, enabling efficient C–C bond formation under mild conditions.
Safety Information
GHS:
Danger (Toxic, Environmental Hazard)
Hazards:
- H301: Toxic if swallowed
- H312: Harmful in skin contact
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H372: Damages organs (long-term exposure)
- H410: Very toxic to aquatic life (long-lasting)
- Fume hood only; wear nitrile gloves, safety goggles, respirator
- Avoid inhalation, skin/eye contact; no eating/drinking at work
- Skin: Rinse 15 min with soap/water; remove contaminated clothing
- Eyes: Flush 15 min with water; seek medical help
- Ingestion: Do NOT induce vomiting; rinse mouth, call poison control
- Store locked, cool/dry, segregated from food/feed
- Dispose as hazardous waste; comply with local regulations
- UN 2788, Class 6.1, Packing Group III
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