Potassium Permanganate BP Ph Eur Potassium Permanganate USP Grade Manufacturers |
Supplier, Manufacturer, Exporter of Potassium Permanganate, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal, Bangladesh, etc. The products are offered as per required specifications and in correct shape and size in mm or meshs or microns as specified by the buyer. The participating units have one or more accreditations like FDA - cGMP and GLP approval, ISO-9001 Certified, "REACH" Registered, ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Kosher Certified, Halal Certified, HACCP, FSSAI. We offer Commercial Pure & IP BP EP Ph Eur USP NF JP FCC Food Grade Analytical Reagent Grades of Chemicals |
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Potassium Permanganate CAS Number 7722-64-7, EINECS EC Number 231-760-3, HS Code 284161**, Molecular Weight 158.03, Chemical Formula KMnO4
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Potassium Permanganate
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Potassium Permanganate BP Ph Eur Grade Specifications
KMnO4
158.0
DEFINITION
Content
99.0 per cent to 100.5 per cent.KMnO4.
CHARACTERS
Appearance
Dark purple or brownish-black, granular powder or dark purple or almost black crystals, usually having a metallic luster.
Solubility
Soluble in cold water, freely soluble in boiling water.
It decomposes on contact with certain organic substances.
IDENTIFICATION
A. Dissolve about 50 mg in 5 ml of water and add 1 ml of ethanol (96 per cent) and 0.3 ml of dilute sodium hydroxide solution. A green colour develops. Heat to boiling.
A dark brown precipitate is formed.
B. Filter the mixture obtained in identification test A. The filtrate gives reaction of potassium.
TESTS
Solution S
Dissolve 0.75 g in 25 ml of distilled water, add 3 ml of ethanol (96 per cent) and boil for 2-3 min. Cool, dilute to 30 ml with distilled water and filter.
Appearance of solution
Solution S is colourless.
Substances insoluble in water
Maximum 1.0 per cent.
Dissolve 0.5 g in 50 ml of water R and heat to boiling. Filter through a tarred sintered-glass filter. Wash with water until the filtrate is colourless and collect the residue on the filter. The residue, dried in an oven at 100-105°C, weighs a maximum of 5 mg.
Chlorides
Maximum 200 ppm.
Sulphates
Maximum 500 ppm.
Potassium Permanganate USP Grade Specifications
KMnO4 158.03
Permanganic acid (HMnO4), potassium salt.
(KMnO4) [CAS 7722-64-7].
KMnO4 contains not less than 99.0 percent and not more than 100.5 percent of KMnO4, calculated on the dried basis.
Caution—Observe great care in handling Potassium Permanganate, as dangerous explosions may occur if it is brought into contact with organic or other readily oxidizable substances, either in solution or in the dry state.
Identification— A solution of it is deep violet-red when concentrated and pink when highly diluted, and responds to the tests for Permanganate.
Loss on drying— Dry it over silica gel for 18 hours: it loses not more than 0.5% of its weight.
Insoluble substances— Dissolve 2.0 g in 150 mL of water that previously has been warmed to steam-bath temperature, and filter immediately through a tarred, medium-porosity filtering crucible. Wash the filter with three 50-mL portions of the warm water, and dry the filtering crucible and the residue at 105 for 3 hours: not more than 4 mg of residue is obtained (0.2%).
Assay— Transfer about 1000 mg of Potassium Permanganate, accurately weighed, and for each mg of Potassium Permanganate taken, 2.13 mg of sodium oxalate, previously dried at 110 to constant weight and accurately weighed, to a 500-mL conical flask. Add 150 mL of water and 20 mL of 7 N sulfuric acid, heat to about 80, and titrate the excess oxalic acid with 0.03 N potassium permanganate VS. Calculate the quantity, in mg, of KMnO4 in the portion of Potassium Permanganate taken by the formula:
0.4718WS 0.9482V
in which 0.4718 is the KMnO4 equivalent, in mg, of each mg of sodium oxalate, WS is the weight, in mg, of sodium oxalate taken, 0.9482 is the quantity of KMnO4, in mg, in each mL of 0.03 N potassium permanganate, and V is the volume, in mL, of 0.03 N potassium permanganate consumed.
Potassium Permanganate Analytical Reagent Grade Specifications
Potassium Permanganate
KMnO4
Formula Weight 158.03
CAS Number 7722-64-7
REQUIREMENTS
Assay: 99.0% KMnO4 min
MAXIMUM ALLOWABLE
Insoluble matter ..................... 0.2%
Chloride and chlorate (as Cl) . 0.005%
Nitrogen compounds (as N) .. 0.005%
Sulfate (SO4) ........................ 0.02%.
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Last
12 May, 2024
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