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Product Description
Potassium perchlorate (KClO₄) is a colorless crystalline compound belonging to the class of perchlorates. It has strong oxidizing properties and has important applications in many industrial and military fields.
Properties
CAS login number: 7778-74-7
Chemical formula: KClO ₄
Molecular weight: 138.55 g/mol
Appearance: Colorless or white crystals
Density: 2.52 g/cm ³
Melting point: approximately 610 ° C (decomposition)
Solubility: The solubility in water is low, but increases with temperature; Insoluble in alcohols
Iterms | Specification | ||||
Ⅰ | Ⅱ | ||||
First Class | Qualified | ||||
Potassium perchlorate (KCLO4)ω/% | ≥ | 99.2 | 99.0 | 98.5 | |
Total water ω/% | ≤ | 0.02 | 0.03 | 0.05 | |
Chloride (KCL)ω/% | ≤ | 0.05 | 0.10 | 0.15 | |
Chlorate (KCLO3)ω/% | ≤ | 0.05 | 0.15 | 0.45 | |
Pypocholoride | through experimen | through experimen | through experimen | ||
Bromate (KBrO3)ω/% | ≤ | 0.02 | - | - | |
Sodium (NaCLO4)ω/% | ≤ | 0.20 | - | - | |
Calcium-magnesium salt [ (CaO and MgO )]ω/ | ≤ | 0.20 | - | - | |
Water insoluble matter ω/% | ≤ | 0.01 | - | - | |
Iron(Fe)ω/% | ≤ | 0.002 | - | - | |
pH | 7.0±1.5 | - | - | ||
Granularity ω/% | 45㎛ | ≥ | 100 | - | - |
180㎛ | ≥ | 99.9 | - | - | |
150㎛ | ≥ | 99.5 | 99.0 | 99.0 | |
75㎛ | ≥ | 90.0 | - | - | |
Looseness (through 4.75mm test screen)ω/% | ≥ | 90 |
Applications
Pyrotechnics and fireworks
Potassium perchlorate is commonly used as an oxidizer in pyrotechnics and fireworks, producing flame effects of various colors.
Explosives
Due to its strong oxidizing properties, potassium perchlorate is used in the manufacture of certain types of explosives and explosive mixtures.
Chemical Reactions
Thermal decomposition:
At high temperatures, potassium perchlorate decomposes into potassium chloride and oxygen:
KClO4 → KCl + 2O2
Reduction:
When reacting with reducing agents, a large amount of energy is released, which may lead to combustion or explosion.
The strong oxidizing properties of potassium perchlorate make it important in many applications, but it also brings safety risks. Therefore, it must be handled and stored under strict safety measures.