CAS RN:75-52-5

NFPA Hazard Classification


Flammability: 3
Health: 2Instability: 4
Special: None

Health: 2 (Moderate)
Materials that, on intense or continued (but not chronic) exposure, could cause temporary incapacitation or possible residual injury, including those requiring the use of respiratory protective equipment that has an independent air supply. These materials are hazardous to health, but areas may be entered freely if personnel are provided with full-face mask self-contained breathing apparatus that provides complete eye protection.

Flammability: 3 (Serious)
This degree includes Class IB and IC flammable liquids and materials that can be easily ignited under almost all normal temperature conditions. Water may be ineffective in controlling or extinguishing fires in such materials.

Instability: 4 (Extreme)
This degree includes those materials that, in themselves, are readily capable of detonation, explosive decomposition, or explosive reaction at normal temperatures and pressures. This includes materials that are sensitive to localized mechanical or thermal shock. If a material having this Instability Hazard Rating is involved in an advanced or massive fire, the area should be immediately evacuated.

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