Ammonium Perchlorate is an inorganic compound with the formula NH4ClO4. It is a colourless or white solid that is soluble in water. It is a powerful oxidiser. Combined with a fuel, it can be used as a rocket propellant called ammonium perchlorate composite propellant. That is its main application, and has been used by space programmes the world over for decades due to its powerful oxidisation qualities. It is even used to produce ‘breakable’ adhesives, because Ammonium Perchlorate degrades at 300 °C, breaking the adhesive apart.

Photo of Ammonium Perchlorate 200 Micron with TCP A/C
CAS Number: 7790-98-9
UN Number: 3211
Hazard Class: 5.1
Packing Group: III

What is the CAS Number of Ammonium Perchlorate?

The CAS number of Ammonium Perchlorate is 7790-98-9

What is the UN Number of Ammonium Perchlorate?

The UN number of Ammonium Perchlorate is 3211.

What is the Hazard Class of Ammonium Perchlorate?

The Hazard Class of Ammonium Perchlorate is 5.1.

What is the Packing Group of Ammonium Perchlorate?

Ammonium Perchlorate is in Packaging Group III.

Physical properties of Ammonium Perchlorate 200 Micron with TCP A/C

Physical State: Liquid
Appearance: Colourless – Light yellow
Odor: No information available
Odor Threshold: No information available
pH: No information available
Melting Point / Range: No information available
Boiling Point / Range: No information available
Molecular Formula: No information available
Molecular Weight: No information available
Safety Icon

Safety Information for Ammonium Percholorate

All the safety information for Ammonium Perchlorate can be found in our MSDS (material safety data sheet) below. It includes information on first aid, accidental release, fire-fighting, handling and storage, personal protection and much more. Please familiarise yourself with the hazards before handling it.

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Flammability: 0 – This means the substance will not readily burn under typical fire conditions. However, it still has its risks when it is exposed to fire. During combustion, it has the potential to release toxic gases and even explode when exposed to shock or friction. It should be stored away from clothing and potential fire hazards.

Health: 1 – Exposure to Ammonium Perchlorate can cause significant irritation to the skin and mucous membranes. It can also cause damage to the eyes and specific organs. If the substance gets into the eyes, rinsing the eyes for several minutes is essential to minimise, and hopefully eliminate the risk of pain and damage.

Reactivity: 4 – Ammonium Perchlorate and an extremely powerful oxidiser. The substance decomposes at 130°C and explodes at 380°C, and is extremely sensitive to very minor frictional heating. A spatula stirring in a beaker has caused sufficient frictional heating to lead to an explosion. The handling of Ammonium Perchlorate must be done with extreme sensitivity.

It's recommended to consult the specific Safety Data Sheet (SDS) for accurate and up-to-date information for a particular product.