... . 99.5% min. 4. Use as fireworks, explosive, rocket, etc. Ammonium Perchlorate Formula: NH4ClO4Appearance: White acicular crystal powder or particle. Specification ... :ItemAcicularPurity,%≥99.5% Chloride (based on NH4Cl),%≤0.15%Chlorate (based on NH4ClO3),%≤0.02%Bromate (based on NH4BrO3),%≤0 ... : 86-411-82521111-803 Fax: 86-411-82521868Mobile phone:15842696089 Ammonium Perchlorate