Input interpretation
pyridine | DOT numbers
Result
1282
NFPA label
NFPA label
NFPA health rating | 3 NFPA fire rating | 3 NFPA reactivity rating | 0
Safety properties
flash point | 20 °C autoignition point | 550 °C lower explosive limit | 1.7% (concentration in air) upper explosive limit | 12.4% (concentration in air)
DOT hazard class | 3 DOT numbers | 1282
Toxicity properties
lethal dosage | 891 mg/kg (oral dose for rats) short-term exposure limit | 30 mg/m^3 threshold limit value | 1 ppmv
probable lethal dose for man | 600 mL (milliliters) long-term exposure limit | 15 mg/m^3 (over 8 hours) RTECS classes | tumorigen | mutagen | primary irritant