Honeywell safety data sheet for pyridine detailing hazards, handling, storage, and regulatory information.
This Safety Data Sheet (SDS) provides comprehensive information about pyridine, a clear, colorless liquid with a strong irritating odor. It includes product identification, composition, physical and chemical properties, and health hazards.
The document also outlines first‑aid measures, fire‑fighting instructions, spill‑control procedures, handling and storage recommendations, exposure controls, and disposal and transport guidelines, complying with OSHA, TSCA, and international regulations. This manual is written in Chinese.
| Molecular weight | 79.10 |
|---|---|
| Chemical formula | C5H5N |
| Flash point | 20 °C (68 °F) |
| Boiling point | 115.25 °C |
| Melting point | -41.55 °C |
| Vapor pressure | 18 mm Hg |
| Appearance | Transparent, colorless to pale yellow liquid |
| Density (20 °C) | 0.983 g/mL |
Immediately wash the skin thoroughly with soap and water for at least 15 minutes, remove contaminated clothing, and seek medical attention.
The flash point of pyridine is 20 °C (68 °F).
Use carbon dioxide, dry chemical agents, alcohol‑resistant foam, or water spray to extinguish a pyridine fire.
Wear chemical‑resistant gloves, safety shoes, apron, protective goggles or face shield, and, if needed, a NIOSH‑approved respirator.