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Fire Service Act Hazardous Material Determination (Category V)

Category V Hazardous materials in the Japanese Fire Service Act (self-reactive substances, solids or liquids)

Substances which generate large amounts of heat or react explosively at relatively low temperature due to self-reaction such as thermal decomposition

Substances

Appended Table 1 given in the law (including items specified by a Cabinet Order)

Category Nature Overview of properties Item (including items specified by a Cabinet Order )
Category V Self-reactive substances
solids or liquids		 Substances which generate large amounts of heat or react explosively at relatively low temperature due to self-reaction such as thermal decomposition
  1. organic peroxides
  2. nitric esters
  3. nitro compounds
  4. nitroso compounds
  5. azo compounds
  6. diazo compounds
  7. hydrazine derivatives
  8. hydroxylamine
  9. hydroylamine salts
  10. Other substances specified by a Cabinet Order (i.e., metal azides, guanidine nitrate, 1-allyloxy-2,3-epoxypropane and 4-methylidenoxetan-2-one)
  11. Substances containing any of those listed in the preceding items

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