The code OXY in the bottom white quadrant of a label conforming to NFPA 704 indicates that:

The code OXY in the bottom white quadrant of a label conforming to NFPA 704 indicates that:

  • The material will explode on contact with air
  • The material can easily release oxygen to create or worsen a fire or explosion hazard
  • The material reacts with water
  • The material is radioactive

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