potassium permanganate
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| Post Date: | Mar 02,2015 |
| Expiry Date: | Aug 29,2015 |
| Detailed Description: |
Cas No. :7722-64-7
nature : the common gray
manganese KMnO4 custody. Dark purple crystals. A metallic sheen. Shy and maturity. Density 2.703. The melting point of 240 ° C decomposition. Water soluble. That case ethanol decomposition. Mainly for disinfectant and oxidizer, bleach, gas absorbent carbon dioxide intensive preparation, water purification agents. Hydrogen can be potassium chloride, manganese dioxide and potassium chlorate, then-chlorine or carbon dioxide or ozone and its solution in the system. Electrolysis is potassium permanganate from the main production methods. Raw materials Pyrolusite after smashing concentrated KOH solution together in the air calcination, the MnO2 oxide K2 MnO4, water immersion, in-MnO2- 4 100 ~ 280 grams / liter, KOH about 1 ~ 4 mole / liter electrolyte, in the 60 ° C electrolysis. Anode nickel or Monel alloy anode reaction MnO2-4 ��?MnO - e< 4 + / su k-; cathode for steel (hydrogen). The anodic current density of only 5 to 15 mA / cm 2 to reduce the oxygen out; The cathode current density is the anode 5 ~ 10 times to make it a large number of hydrogen, enough to prevent the production of anodes MnO - 4 spread to the cathode, to be reinstated again, so some may not divide electrolyzer to reduce energy consumption (cell voltage of about 2.5 volts). When MnO2- 4 electrolysis to the original concentrations of 10% removal, cooling in KMnO4 crystallization. |
| CAS Registry Number: | 7722-64-7 |
| Synonyms: | C.I. 77755;Potassium permanganate [JAN]potassium oxido(trioxo)manganese; |
| Molecular Formula: | KMnO4 |
| Molecular Weight: | 158.0339 |
| Molecular Structure: | 
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| Hazard Symbols: |  O:Oxidizing agent; Xn:Harmful; N:Dangerous for the environment; |
| Risk Codes: | R22:; R50/53:; R8:; |
| Safety Description: | S60:; S61:; |
| Company: | Tiankai Chemical Materials Co.,Ltd [ China ] |
| Contact: | celia |
| Tel: | 86-22-66250391/66250389 |
| Fax: | 86-22-66250393 |
| Email: | celia0101@163.com |
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