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Potassium Selenate

K2SeO4
CAS 7790-59-2


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(2N) 99% Potassium Selenate K-SEAT-02 Request Quote
(3N) 99.9% Potassium Selenate K-SEAT-03 Request Quote
(4N) 99.99% Potassium Selenate K-SEAT-04 Request Quote
(5N) 99.999% Potassium Selenate K-SEAT-05 Request Quote

CHEMICAL
IDENTIFIER
Formula CAS No. PubChem SID PubChem CID MDL No. EC No IUPAC Name Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
K2SeO4 7790-59-2 43119764 62680 N/A 232-214-7 potassium selenate N/A [K+].[K+].[O-][Se]([O-])(=O)=O InChI=1S/2K.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 YAZJAPBTUDGMKO-UHFFFAOYSA-L

PROPERTIES Compound Formula Mol. Wt. Appearance Density Exact Mass Monoisotopic Mass Charge MSDS
K2O4Se 221.1542 N/A 3.07g/cm3 221.823594 221.823593 Da 0 Safety Data Sheet

Selenate IonPotassium Selenate is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Potassium (K) atomic and molecular weight, atomic number and elemental symbol Elemental PotassiumPotassium (atomic symbol: K, atomic number: 19) is a Block S, Group 1, Period 4 element with an atomic weight of 39.0983. The number of electrons in each of Potassium's shells is [2, 8, 8, 1] and its electron configuration is [Ar] 4s1. The potassium atom has a radius of 227.2 pm and a Van der Waals radius of 275 pm. Potassium was discovered and first isolated by Sir Humphrey Davy in 1807. Potassium is the seventh most abundant element on earth. It is one of the most reactive and electropositive of all metals and rapidly oxidizes. Potassium Bohr Model As with other alkali metals, potassium decomposes in water with the evolution of hydrogen; because of its reacts violently with water, it only occurs in nature in ionic salts. In its elemental form, potassium has a silvery gray metallic appearance, but its compounds (such as potassium hydroxide) are more frequently used in industrial and chemical applications. The origin of the element's name comes from the English word 'potash,' meaning pot ashes, and the Arabic word qali, which means alkali. The symbol K originates from the Latin word kalium. For more information on potassium, including properties, safety data, research, and American Elements' catalog of potassium products, visit the Potassium element page.

Selenium Bohr ModelSelenide(Se) atomic and molecular weight, atomic number and elemental symbolSelenium (atomic symbol: Se, atomic number: 34) is a Block P, Group 16, Period 4 element with an atomic radius of 78.96. The number of electrons in each of Selenium's shells is 2, 8, 18, 6 and its electron configuration is [Ar] 3d10 4s2 4p4. The selenium atom has a radius of 120 pm and a Van der Waals radius of 190 pm. Selenium is a non-metal with several allotropes: a black, vitreous form with an irregular crystal structure; three red-colored forms with monoclinic crystal structures; and a gray form with a hexagonal crystal structure, the most stable and dense form of the element. Elemental Selenium One of the mose common uses for selenium is in glass production; the red tint that it lends to glass neutralizes green or yellow tints from impurities in the glass materials. Selenium was discovered and first isolated by Jöns Jakob Berzelius and Johann Gottlieb Gahn in 1817. The origin of the name Selenium comes from the Greek word "Selênê," meaning moon. For more information on selenium, including properties, safety data, research, and American Elements' catalog of selenium products, visit the Selenium element page.

HEALTH, SAFETY & TRANSPORTATION INFORMATION
Material Safety Data Sheet MSDS
Signal Word Danger
Hazard Statements N/A
Hazard Codes N/A
Risk Codes N/A
Safety Precautions N/A
RTECS Number VS6600000
Transport Information N/A
WGK Germany N/A
Globally Harmonized System of
Classification and Labelling (GHS)
         

POTASSIUM SELENATE SYNONYMS

Selenic acid, dipotassium salt, dipotassium selenate, selenic acid, selenic acid dipotassium salt


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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


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Recent Research & Development for Potassium

  • Laboratory Studies of Potassium-Halide-Induced High-Temperature Corrosion of Superheater Steels. Part 1: Exposures in Dry Air. Hao Wu, Patrik Yrjas, and Mikko Hupa. Energy Fuels: January 23, 2015
  • Iso-Selective Ring-Opening Polymerization of rac-Lactide Catalyzed by Crown Ether Complexes of Sodium and Potassium Naphthalenolates. Jiao Xiong, Jinjin Zhang, Yangyang Sun, Zhongran Dai, Xiaobo Pan, and Jincai Wu. Inorg. Chem.: January 17, 2015
  • Impedance Analysis and Conduction Mechanisms of Lead Free Potassium Sodium Niobate (KNN) Single Crystals and Polycrystals: A Comparison Study. Muhammad Asif Rafiq, Maria Elisabete Costa, Alexander Tkach, and Paula Maria Vilarinho. Crystal Growth & Design: December 16, 2014
  • Measurement and Correlation of the Solubility of Penicillin V Potassium in Ethanol + Water and 1-Butyl Alcohol + Water Systems. Tingting Wei, Chen Wang, Shichao Du, Songgu Wu, Jianyu Li, and Junbo Gong. J. Chem. Eng. Data: December 15, 2014
  • Potassium-Promoted Alumina Adsorbent from K2CO3 Coagulated Alumina Sol for Warm Gas Carbon Dioxide Separation. Shuang Li, Yixiang Shi, and Ningsheng Cai. ACS Sustainable Chem. Eng.: December 8, 2014
  • Effect of Dissolution and Refaceting on Growth Rate Dispersion of Sodium Chlorate and Potassium Dihydrogen Phosphate Crystals. M. M. Mitrovi?, A. A. Žeki, B. M. Misailovi, and B. Z. Radiša. Ind. Eng. Chem. Res.: November 25, 2014
  • Energy and Exergy Analyses of an Integrated Gasification Combined Cycle Power Plant with CO2 Capture Using Hot Potassium Carbonate Solvent. Sheng Li, Hongguang Jin, Lin Gao, Kathryn Anne Mumford, Kathryn Smith, and Geoff Stevens. Environ. Sci. Technol.: November 12, 2014
  • Face-Specific Growth and Dissolution Kinetics of Potassium Dihydrogen Phosphate Crystals from Batch Crystallization Experiments. H. Eisenschmidt, A. Voigt, and K. Sundmacher. Crystal Growth & Design: November 11, 2014
  • Highly Iso-Selective and Active Catalysts of Sodium and Potassium Monophenoxides Capped by a Crown Ether for the Ring-Opening Polymerization of rac-Lactide. Jinjin Zhang, Jiao Xiong, Yangyang Sun, Ning Tang, and Jincai Wu. Macromolecules: November 4, 2014
  • Suzuki–Miyaura Cross-Coupling of Brominated 2,1-Borazaronaphthalenes with Potassium Alkenyltrifluoroborates. Gary A. Molander, Steven R. Wisniewski, and Elham Etemadi-Davan. J. Org. Chem.: October 30, 2014

Recent Research & Development for Selenates

  • Distribution of Selenoglucosinolates and Their Metabolites in Brassica Treated with Sodium Selenate. Adam J. Matich, Marian J. McKenzie, Ross E. Lill, Tony K. McGhie, Ronan K.-Y. Chen, and Daryl D. Rowan. J. Agric. Food Chem.: January 27, 2015
  • Nitrate Shaped the Selenate-Reducing Microbial Community in a Hydrogen-Based Biofilm Reactor. Chun-Yu Lai, Xiaoe Yang, Youneng Tang, Bruce E. Rittmann, and He-Ping Zhao. Environ. Sci. Technol.: February 28, 2014
  • Grafting of Precoordinated Cu2+–N-(2-Aminoethyl)aminopropylsilane Complexes onto Mesoporous Silicas and the Adsorption of Aqueous Selenate on Them. Hideaki Yoshitake and Ryo Otsuka. Langmuir: July 12, 2013
  • Bioconcentration and Biotransformation of Selenite versus Selenate Exposed Periphyton and Subsequent Toxicity to the Mayfly Centroptilum triangulifer. Justin M. Conley, David H. Funk, Dean H. Hesterberg, Liang-Ching Hsu, Jinjun Kan, Yu-Ting Liu, and David B. Buchwalter. Environ. Sci. Technol.: June 17, 2013
  • Oxygen Isotope Indicators of Selenate Reaction with Fe(II) and Fe(III) Hydroxides. Alexandra E. P. Schellenger and Philip Larese-Casanova. Environ. Sci. Technol.: May 13, 2013
  • Selenate-Enriched Urea Granules Are a Highly Effective Fertilizer for Selenium Biofortification of Paddy Rice Grain. Lakmalie Premarathna, Mike J. McLaughlin, Jason K. Kirby, Ganga M. Hettiarachchi, Samuel Stacey, and David J. Chittleborough. J. Agric. Food Chem.: May 25, 2012
  • Rate of Oxygen Isotope Exchange between Selenate and Water. Masanori Kaneko and Simon R. Poulson. Environ. Sci. Technol.: March 19, 2012
  • Thorium(IV)–Selenate Clusters Containing an Octanuclear Th(IV) Hydroxide/Oxide Core. Karah E. Knope, Monica Vasiliu, David A. Dixon, and L. Soderholm. Inorg. Chem.: March 12, 2012
  • Three New Sodium Neptunyl(V) Selenate Hydrates: Structures, Raman Spectroscopy, and Magnetism. Geng Bang Jin, S. Skanthakumar, and L. Soderholm. Inorg. Chem.: February 22, 2012
  • Crystal and Magnetic Structures and Magnetic Properties of Selenate Containing Natrochalcite, AIMII2(H3O2)(SeO4)2 Where A = Na or K and M = Mn, Co, or Ni. Wassim Maalej, Serge Vilminot, Gilles André, Zakaria Elaoud, Tahar Mhiri, and Mohamedally Kurmoo. Inorg. Chem.: January 20, 2012