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Potassium

CAS No.7440-09-7
Chemical Name:Potassium
Synonyms:POTASSIUM CHLORIDE REFERENCE SOLUTION A;POTASSIUM CHLORIDE FERTILIZER;POTASSIUM CHLORIDE STANDARD;POTASSIUM CHLORIDE STANDARD SOLUTION B;POTASSIUM CHLORIDE STANDARD SOLUTION C;POTASSIUM CHLORIDE CONDUCTIVITY;POTASSIUM, ANALYTICAL STANDARD;POTASSIUM ATOMIC ABSORPTION SINGLE ELEMENT STANDARD;POTASSIUM ATOMIC ABSORPTION STANDARD;POTASSIUM ATOMIC ABSORPTION STANDARD SOLUTION;POTASSIUM ATOMIC SPECTROSCOPY STANDARD;POTASSIUM AA/ICP CALIBRATION/CHECK STANDARD;POTASSIUM AA SINGLE ELEMENT STANDARD;POTASSIUM, AAS STANDARD SOLUTION;POTASSIUM AA STANDARD;POTASSIUM;POTASSIUM METAL;POTASSIUM METALLO-ORGANIC STANDARD;POTASSIUM ICP/DCP STANDARD;POTASSIUM ICP STANDARD
CBNumber:CB9251331
Molecular Formula:K
Formula Weight:39.1
MOL File:7440-09-7.mol
Potassium Property
mp : 770 °C(lit.)
bp : 770 °C
density : 1.98 g/mL at 25 °C(lit.)
vapor pressure : 0.09 mm Hg ( 260 °C)
refractive index : n20/D 1.334
storage temp. : 2-8°C
solubility : H2O: soluble
form : rod
Water Solubility : reacts
Stability:: Stable. Moisture and air-sensitive. Spontaneously combustible through the generation and ignition of hydrogen. Reacts violently with water and acids, alcohols, carbon monoxide. Store under oil.
CAS DataBase Reference: 7440-09-7(CAS DataBase Reference)
NIST Chemistry Reference: Potassium(7440-09-7)
EPA Substance Registry System: Potassium(7440-09-7)
Safety
Hazard Codes : F,C
Risk Statements : 14/15-34
Safety Statements : 8-43-45-5B-5*
RIDADR : UN 2257 4.3/PG 1
WGK Germany : 2
RTECS : TS8050000
F : 8
HazardClass : 4.3
PackingGroup : I
Hazardous Substances Data: 7440-09-7(Hazardous Substances Data)

Potassium Chemical Properties,Usage,Production

Chemical Properties
soft silvery metal, tarnishing upon exposure to air.
General Description
Potassium is potassium mixed with some other metal, usually sodium. Potassium is a liquid under normal conditions. Potassium reacts vigorously with water to form potassium hydroxide, a corrosive material and hydrogen, a flammable gas. The heat from this reaction may be sufficient to ignite the hydrogen. Potassium alloy may ignite spontaneously in contact with air. Once ignited, potassium burns quite violently. Potassium is used as a heat exchange fluid.
Air & Water Reactions
Reacts vigorously with oxygen. Reacts vigorously with water even at less than 100°C [Merck, 11th ed., 1989]. Water (caustic solution, H2) The oxidation of potassium in air is so rapid that the heat generated by the reaction melts and ignites the metal. This is particularly the case when pressure is applied at ordinary temperatures [Sidgwick 1. 1950]. Potassium burns in moist air at room temperature [Mellor 2:468. 1946-47]. The higher oxides of potassium, formed in air, react explosively with pure potassium, sodium, sodium-potassium alloys, and organic matter [Mellor 2, Supp. 3:1559. 1963].
Reactivity Profile
Boron trifluoride reacts with incandescence when heated with alkali metals or alkaline earth metals except magnesium [Merck 11th ed. 1989]. Maleic anhydride decomposes explosively in the presence of alkali metals . Sodium peroxide oxidizes antimony, arsenic, copper, potassium, tin, and zinc with incandescence . Alkali metal hydroxides, acids, anhydrous chlorides of iron, tin, and aluminum, pure oxides of iron and aluminum, and metallic potassium are some of the catalysts that may cause ethylene oxide to rearrange and polymerize, liberating heat . Explosions occur, although infrequently, from the combination of ethylene oxide and alcohols or mercaptans [Chem. Eng. News 20:1318. 1942]. A mixture of potassium and any of the following metallic halides produces a strong explosion on impact: aluminum chloride, aluminum fluoride, ammonium fluorocuprate, antimony tribromide, antimony trichloride, antimony triiodide, cadmium bromide, cadmium chloride, cadmium iodide, chromium tetrachloride, cupric bromide, cupric chloride, cuprous bromide cuprous chloride, cuprous iodide, manganese chloride, mercuric bromide, mercuric chloride, mercuric fluoride, mercuric iodide, mercurous chloride, nickel bromide, nickel chloride, nickel iodide, silicon tetrachloride, silver fluoride, stannic chloride, stannic iodide (with silver), stannous chloride, sulfur dibromide, thallous bromide, vanadium pentachloride, zinc bromide, zinc chloride, and zinc iodide [Mellor 2, Supp. 3:1571. 1963]. A mixture of potassium and any of the following compounds produces a weak explosion on impact: ammonium bromide, ammonium iodide, cadmium fluoride, chromium trifluoride, manganous bromide, manganous iodide, nickel fluoride, potassium chlorocuprate, silver chloride, silver iodide, strontium iodide, thallous chloride, and zinc fluoride [Mellor 2, Supp. 3:1571. 1963]. A mixture of potassium and any of the following compounds may explode on impact: boric acid, copper oxychloride, lead oxychloride, lead peroxide, lead sulfate, silver iodate, sodium iodate, and vanadium oxychloride [Mellor 2, Supp. 3:1571. 1963]. A mixture of potassium with any of the following compounds produces a very violent explosion on impact: boron tribromide, carbon tetrachloride, cobaltous bromide, cobaltous chloride, ferric bromide, ferric chloride, ferrous bromide, ferrous chloride, ferrous iodide, phosphorus pentachloride, phosphorus tribromide, and sulfur dichloride [Mellor 2, Supp. 3:1571. 1963]. Mixture of solid potassium and carbon dioxide(as dry ice) explodes when subjected to shock [Mellor 2, Supp. 3:1568. 1963]. Potassium and its alloys form explosive mixtures with chlorinated hydrocarbons [Chem. Eng. News 26:2604. 1948]. Ethylene oxide is dangerously reactive with metallic potassium [Chemical Safety Data Sheet SD-38:11. 1951]. Potassium in contact with the following oxides causes an explosive reaction: potassium ozonide, potassium peroxide, or potassium superoxide [Mellor 2, Supp. 3:1577. 1963].
Health Hazard
Inhalation or contact with vapors, substance or decomposition products may cause severe injury or death. May produce corrosive solutions on contact with water. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution.
Fire Hazard
Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard.
Potassium Preparation Products And Raw materials
Raw materials
Bifenthrin
Preparation Products
Compound fertilizer (6-CHLORO-1H-INDOL-2-YL)-METHANOL Isobutylbenzene 6-Chloroindole-2-carboxylic acid ethyl ester N-BUTYLXANTHIC ACID POTASSIUM SALT 5-METHOXY-1H-PYRROLO[3,2-B]PYRIDINE-2-CARBOXYLIC ACID 6-Chloroindole-2-carboxylic acid 3-(3,4-DIHYDROXYPHENYL)PROPIONIC ACID ETHYL 1,3-DITHIOLANE-2-CARBOXYLATE 5-Chloroindole ETHYL 2-(TERT-BUTOXYCARBONYLAMINO)THIAZOLE-5-CARBOXYLATE (5-METHOXY-1H-PYRROLO[3,2-B]PYRIDIN-3-YL)-N,N-DIMETHYLMETHANAMINE 2-(DIPHENYLPHOSPHINO)ETHYLTRIETHOXYSILANE 4'-(2-Methylpropyl)acetophenone Foliar-fertilizer 5-(BENZYLOXY)-1H-PYRROLO[3,2-B]PYRIDINE-2-CARBALDEHYDE Mixed and compound fertilizer 6-CHLORO-1H-INDOLE-2-CARBALDEHYDE SODIUM 3-4-ISOBUTYLPHENYL)-2,3-EPOXYBUTYURATE 3-Quinuclidinone hydrochloride 3-QUINOLIN-2-YLPROPANOIC ACID 5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBALDEHYDE 5-METHOXY-1H-PYRROLO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID POTASSIUM B-METHYOXYETHOXIDE 6-TERT-BUTOXYPYRIDINE-2-CARBOXALDEHYDE (S)-3-Aminoquinuclidine dihydrochloride 3-Aminoquinuclidine dihydrochloride Potassium superoxide cis-DL-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid Ethyl 2-aminothiazole-5-carboxylate 4-Aminopyrimidine Water flush fertilizer 2-N-BOC-AMINO-THIAZOLE-5-CARBOXYLIC ACID 5-METHOXY-1H-PYRROLO[3,2-B]PYRIDINE-3-CARBALDEHYDE
Potassium Suppliers      Global( 105)Suppliers     
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833+86-10-82849933jkinfo@jkchemical.comCHINA 28775 70
Meryer Chemical +86-21-61259100+86-21-61259102sh@meryer.comCHINA 53775 56
Alfa Aesar 800-810-6000, 400-610-6006,800 810 6006(Bulk Inquiry)(010) 85678601saleschina@alfa-asia.comCHINA 22217 78
Energy Chemical 021-58432009/58433103/58432861021-58436166info@energy-chemical.comCHINA 33315 55
 
7440-09-7(Potassium)Related Search:
Potassium carbonate Potassium bromate FELDSPAR Potassium nitrate POTASSIUM CYANIDE Potassium chloride Potassium sulfate Potassium sorbate Losartan potassium Potassium Acetate Potassium formate POTASSIUM ACRYLATE Potassium persulfate Potassium 2,5-DIMERCAPTO-1,3,4-THIADIAZOLE DIPOTASSIUM SALT ISOPROPYLXANTHIC ACID POTASSIUM SALT POTASSIUM 1,2-NAPHTHOQUINONE-4-SULFONIC ACID Potassium phthalimide ALPHA-D-GALACTOSE-1-PHOSPHATE DIPOTASSIUM SALT DIHYDRATE TNS Potassium hydroxide ALUMINUM POTASSIUM SULFATE Potassium ethylxanthate RHODIZONIC ACID DIPOTASSIUM SALT EOSIN METHYLENE-BLUE ETHYL EOSIN 5-NITROOROTIC ACID, POTASSIUM SALT MONOHYDRATE, 98 ACETYL PHOSPHATE LITHIUM POTASSIUM SALT 2-naphthyl sulfate P-TOLUENETHIOSULFONIC ACID POTASSIUM SALT Potassium hydrogen phthalate 4-SULPHOBENZOIC ACID POTASSIUM SALT 5-(2-CARBOXYPHENYL)-5-HYDROXY-1-((2,2,5,5-TETRAMETHYL-1-OXYPYRROLIDIN-3-YL)-METHYL)-3-PHENYL-2-PYRROLIN-4-ONE, POTASSIUM SALT 4-METHOXYBENZOIC ACID POTASSIUM SALT 4-STYRENESULFONIC ACID, POTASSIUM SALT,4-VINYLBENZENESULFONIC ACID, POTASSIUM SALT 4-NITROGUAIACOL, POTASSIUM SALT HYDRATE Potassium peroxymonosulfate Potassium pyrophosphate POTASSIUM LAURATE 5-ACETOACETAMIDONAPTHALENE-1-SULFONIC ACID AMMONIUM POTASSIUM SALT 5-(2,2,3,3-TETRAFLUORO-1,4-BENZODIOXANE) POTASSIUM-TRIFLUOROBORATE Potassium dichromate POTASSIUM MOLYBDATE Dipotassium glycyrrhizinate 4-NITROPHENYL SULFATE POTASSIUM SALT MONOHYDRATE 4-NITROBENZOIC ACID POTASSIUM SALT Tetrapotassium hexacyanoferrate trihydrate 5-ALPHA-ANDROSTAN-3-BETA-OL-17-ONE SULPHATE, POTASSIUM SALT 4-HYDROXY-3,5-DINITROBENZENESULFONIC ACID POTASSIUM SALT 5 5',7-INDIGOTRISULFONIC ACID POTASSIUM SALT 4-VINYLBENZENESULFONIC ACID, POTASSIUM SALT,4-STYRENESULFONIC ACID, POTASSIUM SALT Red prussiate 4-SULFOBENZOIC ACID, POTASSIUM SALT POTASSIUM PENTABORATE OCTAHYDRATE*SIGMA GRADE DOCUSATE POTASSIUM (100 MG) Potassium binoxalate POTASSIUM SULFIDE POTASSIUM TUNGSTATE Potassium ferrocyanide trihyrate 4-FLUOROTHIOPHENOL POTASSIUM CHLORIDE L(+)-Potassium hydrogen tartrate Potassium sodium tartrate DI-POTASSIUM PHTHALATE 5ALPHA-ANDROSTAN-3ALPHA,17BETA-DIOL-17-(O-1BETA)-D-GLUCOPYRANO-SIDURONIC ACID POTASSIUM SALT GELLAN GUM 4-NITROPHENYL SULFATE POTASSIUM SALT 4-HYDROXY-3-METHOXY-D3-PHENYLETHYLENE GLYCOL 4-SULPHATE POTASSIUM SALT,4-HYDROXY-3-METHOXYPHENYLGLYCOL 4-SULFATE POTASSIUM SALT,4-HYDROXY-3-METHOXYPHENYLGLYCOL SULFATE POTASSIUM SALT 10-methyl-4-(2h-tetrazol-5-yl)-2,6-diazabicyclo[4.4.0]deca-1,3,7,9-tetraen-5-one potassium POTASSIUM BIIODATE 1,1,1,3,3,3-HEXAMETHYLDISILAZANE POTASSIUM SALT OXAMIC ACID POTASSIUM SALT Potassium hexafluoraluminate 5-AMINO-1H-TETRAZOLE POTASSIUM SALT 4-METHYLUMBELLIFERYL 6-SULFO-2-ACETAMIDO-2-DEOXY-A-D-GLUCOPYRANOSIDE, POTASSIUM SALT,4-METHYLUMBELLIFERYL 6-SULFO-2-ACETAMIDO-2-DEOXY-ALPHA-D-GLUCOPYRANOSIDE, POTASSIUM SALT 5-ANDROSTEN-3BETA-OL-17-ONE 3-SULFATE POTASSIUM,5-ANDROSTEN-3-BETA-OL-17-ONE SULPHATE, POTASSIUM SALT Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Potassium oxonate 4-NITROPHENYL PHOSPHATE, POTASSIUM SALT (4-METHYLBENZYL)CYANOCARBONIMIDODITHIOATE POTASSIUM SALT 5-AMINO-1-BENZOTHIOPHENE-2-CARBOXYLATE POTASSIUM SALT 4-TRIFLUOROMETHYL-7-HYDROXYCOUMARIN GLUCURONIDE POTASSIUM SALT,4-TRIFLUOROMETHYLUMBELLIFERYL GLUCURONIDE POTASSIUM SALT 5,11,17,23-TETRAKIS-[(DIMETHYLAMINO)METHYL]-25,26,27,28-TETRAHYDROXY-CALIX[4]ARENE POTASSIUM SALT 4-METHYLUMBELLIFERYL-6-SULFO-N-ACETYL-BETA-D-GLUCOSAMINIDE, POTASSIUM SALT,4-METHYLUMBELLIFERYL 6-SULFO-2-ACETAMIDO-2-DEOXY-B-D-GLUCOPYRANOSIDE, POTASSIUM SALT,4-METHYLUMBELLIFERYL 6-SULFO-2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSIDE, POTASSIUM SALT 4-HYDROXYBENZALDEHYDE, POTASSIUM SALT 4-HYDROXY-3-METHOXYBENZENESULFONIC ACID POTASSIUM SALT POTASSIUM TELLURITE POTASSIUM NIOBATE 4-METHOXYPHENYLAZOFORMYL-PHE POTASSIUM SALT 4-METHOXYCINNAMIC ACID POTASSIUM SALT 4-METHYLUMBELLIFERYL 2-ACETAMIDO-2-DEOXY-B-D-GALACTOPYRANOSIDE, 6-SULFATE, POTASSIUM SALT,4-METHYLUMBELLIFERYL 2-ACETAMIDO-2-DEOXY-BETA-D-GALACTOPYRANOSIDE, 6-SULFATE, POTASSIUM SALT 4-METHYLUMBELLIFERONE SULFATE POTASSIUM SALT,4-METHYL-7-(SULFOOXY)-2H-1-BENZOPYRAN-2-ONE POTASSIUM SALT,4-METHYLUMBELLIFERYL SULFATE POTASSIUM SALT,4-METHYLUMBELLIFERYL SULPHATE POTASSIUM SALT Potassium dimethyldithiocarbamate 4-SULFO-1,8-NAPHTHALIC ANHYDRIDE, POTASSIUM SALT POTASSIUM PEROXYMONOSULFATE Potassium hexafluorotitanate Mineral oil CHLORIDE STANDARD CHLORIDE STANDARD
POTASSIUM CHLORIDE REFERENCE SOLUTION A POTASSIUM CHLORIDE FERTILIZER POTASSIUM CHLORIDE STANDARD POTASSIUM CHLORIDE STANDARD SOLUTION B POTASSIUM CHLORIDE STANDARD SOLUTION C POTASSIUM CHLORIDE CONDUCTIVITY POTASSIUM, ANALYTICAL STANDARD POTASSIUM ATOMIC ABSORPTION SINGLE ELEMENT STANDARD POTASSIUM ATOMIC ABSORPTION STANDARD POTASSIUM ATOMIC ABSORPTION STANDARD SOLUTION POTASSIUM ATOMIC SPECTROSCOPY STANDARD POTASSIUM AA/ICP CALIBRATION/CHECK STANDARD POTASSIUM AA SINGLE ELEMENT STANDARD POTASSIUM, AAS STANDARD SOLUTION POTASSIUM AA STANDARD POTASSIUM POTASSIUM METAL POTASSIUM METALLO-ORGANIC STANDARD POTASSIUM ICP/DCP STANDARD POTASSIUM ICP STANDARD POTASSIUM IC STANDARD POTASSIUM ION STANDARD SOLUTION POTASSIUM ION POTASSIUM, OIL BASED STANDARD SOLUTION POTASSIUM PLASMA EMISSION SPECTROSCOPY STANDARD POTASSIUM PLASMA EMISSION STANDARD POTASSIUM, PLASMA STANDARD SOLUTION POTASSIUM SINGLE COMPONENT STANDARD POTASSIUM SINGLE ELEMENT PLASMA STANDARD POTASSIUM SINGLE ELEMENT STANDARD POTASSIUM STANDARD POTASSIUM STANDARD SOLUTION POTASSIUM, STICKS POTASSIUM STOCK SOLUTION MURATE OF POTASH UV-VIS STANDARD 4 UV-VIS STANDARD 4: POTASSIUM CHLORIDE Synthetic Reagents PON - PT Reduction K Kalium Potassium alloy potassium,(liquidalloy) potassium,metalalloys CHLORO POTASSIUM CONDUCTANCE STANDARD 300 000 UMHO CONDUCTANCE STANDARD SOLUTION B CONDUCTANCE STANDARD SOLUTION C CONDUCTIVITY CALIBRATION STANDARD 10 CONDUCTIVITY CALIBRATION STANDARD 100 CONDUCTIVITY CALIBRATION STANDARD 1,000 CONDUCTIVITY CALIBRATION STANDARD 10,000 CONDUCTIVITY CALIBRATION STANDARD 100,000 CONDUCTIVITY CALIBRATION STANDARD 147 CONDUCTIVITY CALIBRATION STANDARD 718 CONDUCTIVITY STANDARD CONDUCTIVITY STANDARD, 100,000 MICROSIEMENS/CM
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