Methyl Isocyanate

CAS RN: 624-83-9

Fire Fighting Procedures

Evacuation: If fire becomes uncontrollable or container is exposed to direct flame - consider evacuation of one-third (1/3) mile radius.
If material on fire or involved in fire: Do not extinguish the fire unless flow can be stopped. Use water in flooding quantities as fog. Solid streams of water may in ineffective. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use "alcohol" foam, dry chemical or carbon dioxide.
... Approach fire from upwind to avoid hazardous vapors and toxic decomposition products ...
Alcohol-resistant foam, dry sand, powder, carbon dioxide. NO hydrous agents ... Cool drums, etc., by spraying with water but avoid contact of the substance with water ...
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