Magnesium Chromate

Hydrate: Mg2CrO4• 7H2O
CAS 16569-85-0
Anhydrous: Mg2CrO4
CAS 13423-61-5

Product Product Code Order or Specifications
(2N) 99% Magnesium Chromate MG-CRAT-02 Contact American Elements
(3N) 99.9% Magnesium Chromate MG-CRAT-03 Contact American Elements
(4N) 99.99% Magnesium Chromate MG-CRAT-04 Contact American Elements
(5N) 99.999% Magnesium Chromate MG-CRAT-05 Contact American Elements

Formula CAS No. PubChem SID PubChem CID MDL No. EC No IUPAC Name Beilstein
Re. No.
MgCrO4 13423-61-5 N/A 61599 N/A 236-540-0 magnesium dioxido(dioxo)chromium N/A [Mg+2].[O-][Cr]([O-])(=O)=O InChI=1S/Cr.Mg.

PROPERTIES Compound Formula Mol. Wt. Appearance Density

Exact Mass

Monoisotopic Mass Charge MSDS
CrMgO4 140.30 N/A N/A 139.905212 139.905212 0 Safety Data Sheet

Chromate IonMagnesium Chromate is generally immediately available in most volumes. Hydrate or anhydrous forms may be purchased. 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.

Magnesium Bohr ModelMagnesium (Mg) atomic and molecular weight, atomic number and elemental symbolMagnesium (atomic symbol: Mg, atomic number: 12) is a Block S, Group 2, Period 3 element with an atomic mass of 24.3050. The number of electrons in each of Magnesium's shells is [2, 8, 2] and its electron configuration is [Ne] 3s2. The magnesium atom has a radius of 160 pm and a Van der Waals radius of 173 pm. Magnesium was discovered by Joseph Black in 1775 and first isolated by Sir Humphrey Davy in 1808. Magnesium is the eighth most abundant element in the earth's crust and the fourth most common element in the earth as a whole. Elemental MagnesiumIn its elemental form, magnesium has a shiny grey metallic appearance and is an extremely reactive. It is can be found in minerals such as brucite, carnallite, dolomite, magnesite, olivine and talc. Commercially, magnesium is primarily used in the creation of strong and lightweight aluminum-magnesium alloys, which have numerous advantages in industrial applications. The name "Magnesium" originates from a Greek district in Thessaly called Magnesia. For more information on magnesium, including properties, safety data, research, and American Elements' catalog of magnesium products, visit the Magnesium Information Center.

Chromium (Cr) atomic and molecular weight, atomic number and elemental symbolChromium (atomic symbol: Cr, atomic number: 24) is a Block D, Group 6, Period 4 element with an atomic weight of 51.9961. Chromium Bohr ModelThe number of electrons in each of Chromium's shells is 2, 8, 13, 1 and its electron configuration is [Ar] 3d5 4s1. Chromium was first discovered by Louis Nicolas Vauquelin in 1797. It was first isolated in 1798, also by Louis Nicolas Vauquelin. The chromium atom has a radius of 128 pm and a Van der Waals radius of 189 pm. In its elemental form, chromium has a lustrous steel-gray appearance. Elemental ChromiumChromium is the hardest metal element in the periodic table and the only element that exhibits antiferromagnetic ordering at room temperature, above which it tranforms into a paramagnetic solid. The most common source of chromium is chromite ore (FeCr2O4). Due to its various colorful compounds, Chromium was named after the Greek word 'chroma' meaning color. For more information on chromium, including properties, safety data, research, and American Elements' catalog of chromium products, visit the Chromium Information Center.

Material Safety Data Sheet MSDS
Signal Word N/A
Hazard Statements N/A
Hazard Codes N/A
Risk Codes N/A
Safety Precautions N/A
RTECS Number N/A
Transport Information N/A
WGK Germany N/A
Globally Harmonized System of
Classification and Labelling (GHS)

Chromic acid, magnesium salt (1:1), magnesium dioxido(dioxo)chromium

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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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Production Catalog Available in 36 Countries & Languages

Recent Research & Development for Magnesium

  • Huang Lin-jun, Wang Yan-xin, Huang Zhen, Tang Jian-guo, Wang Yao, Liu Ji-xian, Jiao Ji-qing, Liu Jing-quan, Laurence A. Belfiore, Effects of graphene/silver nanohybrid additives on electrochemical properties of magnesium-based amorphous alloy, Journal of Power Sources, Volume 269, 10 December 2014
  • S. Sankaranarayanan, U. Pranav Nayak, R.K. Sabat, S. Suwas, A. Almajid, M. Gupta, Nano-ZnO particle addition to monolithic magnesium for enhanced tensile and compressive response, Journal of Alloys and Compounds, Volume 615, 5 December 2014
  • N. Tahreen, D.F. Zhang, F.S. Pan, X.Q. Jiang, C. Li, D.Y. Li, D.L. Chen, Influence of yttrium content on phase formation and strain hardening behavior of Mg–Zn–Mn magnesium alloy, Journal of Alloys and Compounds, Volume 615, 5 December 2014
  • Elena Yazhenskikh, Tatjana Jantzen, Klaus Hack, Michael Müller, Critical thermodynamic evaluation of oxide systems relevant to fuel ashes and slags: Potassium oxide–magnesium oxide–silica, Calphad, Volume 47, December 2014
  • Tong Liu, Chunguang Chen, Fan Wang, Xingguo Li, Enhanced hydrogen storage properties of magnesium by the synergic catalytic effect of TiH1.971 and TiH1.5 nanoparticles at room temperature, Journal of Power Sources, Volume 267, 1 December 2014
  • Ali Nadernezhad, Fathollah Moztarzadeh, Masoud Hafezi, Hadi Barzegar-Bafrooei, Two step sintering of a novel calcium magnesium silicate bioceramic: Sintering parameters and mechanical characterization, Journal of the European Ceramic Society, Volume 34, Issue 15, December 2014
  • F.A. Mirza, D.L. Chen, D.J. Li, X.Q. Zeng, Low cycle fatigue of an extruded Mg–3Nd–0.2Zn–0.5Zr magnesium alloy, Materials & Design, Volume 64, December 2014
  • S.S. Zhou, K.K. Deng, J.C. Li, K.B. Nie, F.J. Xu, H.F. Zhou, J.F. Fan, Hot deformation behavior and workability characteristics of bimodal size SiCp/AZ91 magnesium matrix composite with processing map, Materials & Design, Volume 64, December 2014
  • J.Y. Choi, W.J. Kim, Significant effects of adding trace amounts of Ti on the microstructure and corrosion properties of Mg–6Al–1Zn magnesium alloy, Journal of Alloys and Compounds, Volume 614, 25 November 2014
  • Seyed Alireza Torbati-Sarraf, Terence G. Langdon, Properties of a ZK60 magnesium alloy processed by high-pressure torsion, Journal of Alloys and Compounds, Volume 613, 15 November 2014
  • F. Li, X. Zeng, N. Bian, Microstructure of AZ31 magnesium alloy produced by continuous variable cross-section direct extrusion (CVCDE), Materials Letters, Volume 135, 15 November 2014
  • Dongyun Zhang, Peixin Zhang, Shenhua Song, Qiuhua Yuan, Ping Yang, Xiangzhong Ren, Simulation of magnesium hydroxide surface and interface, Journal of Alloys and Compounds, Volume 612, 5 November 2014
  • C.D. Li, X.J. Wang, K. Wu, W.Q. Liu, S.L. Xiang, C. Ding, X.S. Hu, M.Y. Zheng, Distribution and integrity of carbon nanotubes in carbon nanotube/magnesium composites, Journal of Alloys and Compounds, Volume 612, 5 November 2014
  • Tingting Zhang, Luc J. Vandeperre, Christopher R. Cheeseman, Formation of magnesium silicate hydrate (M-S-H) cement pastes using sodium hexametaphosphate, Cement and Concrete Research, Volume 65, November 2014
  • K. De Weerdt, D. Orsáková, M.R. Geiker, The impact of sulphate and magnesium on chloride binding in Portland cement paste, Cement and Concrete Research, Volume 65, November 2014
  • Hongyan Ma, Biwan Xu, Zongjin Li, Magnesium potassium phosphate cement paste: Degree of reaction, porosity and pore structure, Cement and Concrete Research, Volume 65, November 2014
  • K. Thanigai Arul, J. Ramana Ramya, G.M. Bhalerao, S. Narayana Kalkura, Physicochemical characterization of the superhydrophilic, magnesium and silver ions co-incorporated nanocrystalline hydroxyapatite, synthesized by microwave processing, Ceramics International, Volume 40, Issue 9, Part A, November 2014
  • P.I. Riti, A. Vulpoi, O. Ponta, V. Simon, The effect of synthesis route and magnesium addition on structure and bioactivity of sol–gel derived calcium-silicate glasses, Ceramics International, Volume 40, Issue 9, Part B, November 2014
  • T.M. Souza, A.P. Luz, V.C. Pandolfelli, Magnesium fluoride role on alumina–magnesia cement-bonded castables, Ceramics International, Volume 40, Issue 9, Part B, November 2014
  • Ramin Rojaee, Mohammadhossein Fathi, Keyvan Raeissi, Ali Sharifnabi, Biodegradation assessment of nanostructured fluoridated hydroxyapatite coatings on biomedical grade magnesium alloy, Ceramics International, Volume 40, Issue 9, Part B, November 2014

Recent Research & Development for Chromates

  • Takuhiro Otsuka, Takeshi Akaboshi, Youkoh Kaizu, Anisotropic energy-transfer in encounter complex in aqueous solutions: Ligand congeniality between photo-excited mixed-ligand tris(a,a'-diimine)-ruthenium(II) [Ru(phen)3-n(4dmb)n]2+ and tris(malonato)chromate(III) [Cr(mal)3]3-, Inorganica Chimica Acta, Volume 421, 1 September 2014
  • Cong Ruan, Kui Xie, Liming Yang, Bin Ding, Yucheng Wu, Efficient carbon dioxide electrolysis in a symmetric solid oxide electrolyzer based on nanocatalyst-loaded chromate electrodes, International Journal of Hydrogen Energy, Volume 39, Issue 20, 3 July 2014
  • Sébastien Pommiers, Jérôme Frayret, Alain Castetbon, Martine Potin-Gautier, Alternative conversion coatings to chromate for the protection of magnesium alloys, Corrosion Science, Volume 84, July 2014
  • Sylvia Britto, P. Vishnu Kamath, Synthesis, structure refinement and chromate sorption characteristics of an Al-rich bayerite-based layered double hydroxide, Journal of Solid State Chemistry, Volume 215, July 2014
  • S.M. El-Sheikh, M.A. Rabah, Optical properties of calcium chromate 1D-nanorods synthesized at low temperature from secondary resources, Optical Materials, Available online 30 June 2014
  • R.K. Gupta, B.R.W. Hinton, N. Birbilis, The effect of chromate on the pitting susceptibility of AA7075-T651 studied using potentiostatic transients, Corrosion Science, Volume 82, May 2014
  • Sébastien Pommiers-Belin, Jérôme Frayret, Arnaud Uhart, JeanBernard Ledeuil, Jean-Charles Dupin, Alain Castetbon, Martine Potin-Gautier, Determination of the chemical mechanism of chromate conversion coating on magnesium alloys EV31A, Applied Surface Science, Volume 298, 15 April 2014
  • Joshua Olusegun Okeniyi, Olugbenga Adeshola Omotosho, Oluseyi Olanrewaju Ajayi, Cleophas Akintoye Loto, Effect of potassium-chromate and sodium-nitrite on concrete steel-rebar degradation in sulphate and saline media, Construction and Building Materials, Volume 50, 15 January 2014
  • Shanshan Xu, Dehua Dong, Yan Wang, Winston Doherty, Kui Xie, Yucheng Wu, Perovskite chromates cathode with resolved and anchored nickel nano-particles for direct high-temperature steam electrolysis, Journal of Power Sources, Volume 246, 15 January 2014
  • Selvakumar Sellaiyan, Anthony E. Hughes, Suzanne V. Smith, Akira Uedono, James Sullivan, Stephen Buckman, Leaching properties of chromate-containing epoxy films using radiotracers, PALS and SEM, Progress in Organic Coatings, Volume 77, Issue 1, January 2014
  • N. Boutal, G. Rekhila, K. Taïbi, M. Trari, Relaxor ferroelectric and photo-electrochemical properties of lead-free Ba1-xEu2x/3(Ti0.75Zr0.25)O3 ceramics. Application to chromate reduction, Solar Energy, Volume 99, January 2014
  • Yan Shao, Min Zhou, Weixing Wang, Haobo Hou, Identification of chromate binding mechanisms in Friedel’s salt, Construction and Building Materials, Volume 48, November 2013
  • A. Benhamou, J.P. Basly, M. Baudu, Z. Derriche, R. Hamacha, Amino-functionalized MCM-41 and MCM-48 for the removal of chromate and arsenate, Journal of Colloid and Interface Science, Volume 404, 15 August 2013
  • Baojiao Gao, Xiaohua Wang, Yanyan Zhang, Preparation of chromate anion surface-imprinted material IIP-PVI/SiO2 based on polyvinylimidazole-grafted particles PVI/SiO2 and its ionic recognition characteristic, Materials Chemistry and Physics, Volume 140, Issues 2–3, 15 July 2013
  • Faezeh Soofivand, Fatemeh Mohandes, Masoud Salavati-Niasari, Silver chromate and silver dichromate nanostructures: Sonochemical synthesis, characterization, and photocatalytic properties, Materials Research Bulletin, Volume 48, Issue 6, June 2013
  • X. Montero, M.C. Galetz, M. Schütze, Low-activity aluminide coatings for superalloys using a slurry process free of halide activators and chromates, Surface and Coatings Technology, Volume 222, 15 May 2013
  • Matías Jobbágy, Alberto E. Regazzoni, Complexation at the edges of hydrotalcite: The cases of arsenate and chromate, Journal of Colloid and Interface Science, Volume 393, 1 March 2013
  • Marcus Rohnke, Mareike Falk, Anne-Katrin Huber, Jürgen Janek, Combining high temperature electrochemistry and time of flight secondary ion mass spectrometry: Quasi in situ study of lanthanum strontium chromate manganate electrodes, Journal of Power Sources, Volume 221, 1 January 2013
  • Juan Antelo, Sarah Fiol, Dora Gondar, Rocío López, Florencio Arce, Comparison of arsenate, chromate and molybdate binding on schwertmannite: Surface adsorption vs anion-exchange, Journal of Colloid and Interface Science, Volume 386, Issue 1, 15 November 2012