Under the ADR classification system for Class 1 explosives, what characterizes a Division 1.1 explosive?

1. Substance or article with a mass explosion hazard affecting almost the entire load virtually instantaneously
2. Substance or article with a projection hazard but not a mass explosion hazard
3. Substance or article with a fire hazard and minor blast hazard but no mass explosion hazard
4. Substance or article presenting no significant hazard outside the package