Did you bother to read my post? Apparently not. Texas city explosion was caused when it was mixed with oil. Without the oil, it’s not an issue.
Your information is not correct.
Material Safety Data Sheet
http://www.hummelcroton.com/msds/msdsp/amno3_p.html
Ammonium Nitrate
Fire/Explosion Hazards: Contact with other material may cause fire. Emits toxic fumes under fire conditions. Container explosion may occur under fire conditions.
No other material is required to cause explosions.