Which division corresponds to extremely insensitive explosives?

Which division corresponds to extremely insensitive explosives?

• A. Explosives Division 1.2
• B. Gas Division 2.2
• C. Flammable Solids Division 4.1
• D. Explosives Division 1.6

Answer: (D)

Extremely insensitive explosives are classified as Division 1.6 because this designation is reserved for materials that are so insensitive that they pose essentially no significant blast hazard beyond the packaging under normal handling. They require a very high level of initiation to detonate, making the overall hazard minimal compared to other explosives categories. The other options point to different hazard types—Division 1.2 involves projection hazards, Gas Division 2.2 covers non-flammable gases, and Flammable Solids Division 4.1 covers flammable solids—so they don’t match the extremely insensitive profile.

Extremely insensitive explosives are classified as Division 1.6 because this designation is reserved for materials that are so insensitive that they pose essentially no significant blast hazard beyond the packaging under normal handling. They require a very high level of initiation to detonate, making the overall hazard minimal compared to other explosives categories. The other options point to different hazard types—Division 1.2 involves projection hazards, Gas Division 2.2 covers non-flammable gases, and Flammable Solids Division 4.1 covers flammable solids—so they don’t match the extremely insensitive profile.