But what is ammonium nitrate and why can it be so dangerous? Ammonium nitrate is a crystal-like white solid which is made in large industrial quantities. Its biggest use is as a source of nitrogen ...

Ammonium nitrate is a colorless or white to gray crystal that is soluble in water. It decomposes at 410° F (210°C), releasing nitrous oxide gas. The four-digit UN identification number is 1942 ...

Explosives company Dyno Nobel reported the vanishing ammonium nitrate — the main ingredient in Timothy McVeigh’s 1995 bomb in Oklahoma City — to the federal National Response Center on May ...

The railcar, loaded with more than 60,000 pounds of ammonium nitrate, left Cheyenne, Wyoming on April 12, a Union Pacific spokesperson told USA TODAY Tuesday. Two weeks later it was found empty at ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. An estimated 30 tons of highly volatile ammonium nitrate disappeared ...

A 30-ton shipment of ammonium nitrate disappeared from a railcar, KQED reported. The chemical is used to make both fertilizer and explosives. The chemical's supplier said that it thought the ...

Thirty tons of ammonium nitrate, a powerful explosive, vanished on a two-week rail shipment from Wyoming to California. A railcar laden with the chemical left an explosives plant in Cheyenne on ...