Adapter booster T45E9 differs from adapter-booster M148 (T45E7) in the following respect: Adapter booster T45E9 contains a solid booster pellet while adapter booster M148 (T45E7) contains a booster pellet with a hole through the center and a booster well in the burster well to allow for electrical fuzing.
No information about hazardous components.
Nothing else to see.
TM 9-1325-200, Bombs and Bomb Components (1966)