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Information About

Ammonium Perchlorate
  CATEGORIES ABOUT AMMONIUM PERCHLORATE
   
ammonium compounds
   
perchlorates
   
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Properties


General
Name Ammonium perchlorate
Chemical Formula NH4 ClO4
Appearance White solid/rubbery texture


Physical
Formula Weight 117.5 Amu
Decomposition
Two-Steps Decomposition:

First Step at 595 K (322 °C )

Second Step at 477 K (750 °C )
Density 2.0 ×103 Kg / M 3
Crystal Structure
Orthorombic up to 522 K

Cubic from 522 K to decomposition
Solubility ?


Thermochemistry
ΔfH0solid -295.77 KJ / Mol
S0solid 184.18 J/mol·K


Safety

NFPA 704
DOT Classes  
Ingestion Gastrointestinal irritation can occur.
Inhalation May cause respiratory tract irritation or pulmonary edema.
Skin May cause irritation.
Eyes Irritation, chance of more serious problems.
More info Hazardous Chemical Database


SI units were used where possible. Unless otherwise stated, Standard conditions were used.

Disclaimer And References



Ammonium perchlorate is a Chemical Compound with the formula N H 4 Cl O 4.
It is the Salt of Ammonia and Perchloric Acid . Like other Perchlorate s, it is a powerful Oxidizer .

This salt is used as an Explosive in Mining , due to the low temperature elevation that follows its decomposition.

It is produced by reaction between Ammonia and Perchloric Acid , or by double decomposition between an ammonium salt and Sodium Perchlorate .

It crystallises in colorless Rhombohedra with a relative density of 1.95. It is the least soluble of all ammonium salts with 20 g in 100 g water at 0 °C, due to the large size of the anion. Like all ammonium salts, it decomposes before Fusion . Mild heating results in chlorine, nitrogen, oxygen and water, while strong heating may lead to explosions.

It is an important oxidizer used in solid rocket propellants, such as the Space Shuttle Solid Rocket Boosters , as well as many other Solid Rockets including some fireworks, amateur and hobby high power rockets, and larger rockets used for space launch and military purposes.

The PEPCON Disaster happened at an ammonium perchlorate manufacturing plant. The resulting explosions measured 3.5 on the Richter Scale .