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Germanium Bromide GeBr4
GeBr4
13450-92-5
Product Product Code Order or Specifications
(2N) 99% Germanium Bromide GE-BR4-02 Contact American Elements
(3N) 99.9% Germanium Bromide GE-BR4-03 Contact American Elements
(4N) 99.99% Germanium Bromide GE-BR4-04 Contact American Elements
(5N) 99.999% Germanium Bromide GE-BR4-05 Contact American Elements

 

CHEMICAL
IDENTIFICATION
Formula CAS No. PubChem
SID
PubChem CID MDL No. EC No IUPAC Name Beilstein
Re. No.
SMILES
Identifier
InChI
Identifier
InChI
Key
GeBr4 13450-92-5 24863809 26011 MFCD00016115 236-612-1 tetrabromogermane N/A [Ge+4].[Br-].[Br-].[Br-].[Br-] InChI=1S/4BrH.Ge/h4*1H;/q;;;;+4/p-4 IHUQLFDBZZLHET-UHFFFAOYSA-J

Compound Formula Mol. Wt. Appearance Density

Exact Mass

Monoisotopic Mass Charge MSDS
Br4Ge 392.26 solid N/A 393.590435 389.594529 0 Safety Data Sheet


Bromide IonGermanium Bromide is a highly water soluble crystalline Germanium source for uses compatible with Bromides and lower (acidic) pH. Most metal bromide compounds are water soluble for uses in water treatment, chemical analysis and in ultra high purity for certain crystal growth applications. Bromide in an aqueous solution can be detected by adding Germanium disulfide (CS2) and chlorine. Germanium Bromide is generally immediately available in most volumes. Ultra high purity and high purity compositions improve both optical quality and usefulness as scientific standards. Nanoscale (See also Nanotechnology Information and Quantum Dots) elemental powders and suspensions, as alternative high surface area 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.

Germanium(Ge) atomic and molecular weight, atomic number and elemental symbolGermanium is a Block P, Group 14, Period 4 element. The number of electrons in each of Germanium's shells is 2, 8, 18, 4 and its electronic configuration is [Ar] 3d10 4s2 4p2. In its elemental form germanium's CAS number is 7440-56-4. The germanium atom has a radius of 122.5.pm and it's Van der Waals radius is 200.pm. Germanium is not toxic. Germanium is a very important semiconductor. Zone-refining techniques have led to production of crystalline germanium for semiconductor use with extremely high purities. When germanium is doped with arsenic, gallium, or other elements, it is used as a transistor Elemental Germanium element in thousands of electronic Germanium Bohr Modelapplications. The most common use of germanium is as a semiconductor. Germanium is also finding many other applications including use as an alloying agent, as a phosphor in fluorescent lamps, and as a catalyst. Germanium and germanium oxide are transparent to the infrared and are used in infrared spectroscopes and other optical equipment, including extremely sensitive infrared detectors. The high refractive index and dispersion properties of its oxide's have made germanium useful as a component of wide-angle camera lenses and microscope objectives. The field of organo-germanium chemistry is becoming increasingly important. Germanium was first discovered by Clemens Winkler in 1886. See Germanium research below.

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Toxicity
Safety & Handling
 
Signal Word Hazard Statements Hazard Codes Risk Codes Safety Precautions RTECS No. Transport Information WGK Germany
N/A N/A N/A N/A N/A LY5220000 UN 3260 8/PG 2 3

 

Synonyms for Germanium Bromide GeBr4 Include:


GERMANIUM BROMIDE (IV)
Germane,tetrabromo-
tetrabromo-Germane
GERMANIUM (IV) BROMIDE
germylbromide
tetrabromo-germaniu
GERMANIUM TETRABROMIDE
tetrabromogermane
tetrabromo-german

 

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 Germanium

  • Facile central-element exchange in neutral hexacoordinate germanium and silicon complexes; synthesis and characterization of germanium complexes. Yakubovich S, Kalikhman I, Kost D. Dalton Trans. 2010 Oct 21;39(39):9241-4. Epub 2010 Aug 18. PubMed PMID: 20717626.

  • Ionic nature of Ge(II)-centered dications: a germanium K-edge X-ray absorption near edge structures study. Ward MJ, Rupar PA, Murphy MW, Yiu YM, Baines KM, Sham TK. Chem Commun (Camb). 2010 Oct 7;46(37):7016-8. Epub 2010 Aug 25. PubMed PMID: 20740225.

  • Seedless Growth of Sub-10 nm Germanium Nanowires. Hobbs RG, Barth S, Petkov N, Zirngast M, Marschner C, Morris MA, Holmes JD. J Am Chem Soc. 2010 Oct 6;132(39):13742-9. PubMed PMID: 20836555.

  • Group IV nanoparticles: synthesis, properties, and biological applications. Fan J, Chu PK. Small. 2010 Oct 4;6(19):2080-98. PubMed PMID: 20730824.

  • Broadband spectral modification from visible light to near-infrared radiation using Ce(3+)-Er(3+) codoped yttrium aluminium garnet. Zhou J, Teng Y, Liu X, Ye S, Ma Z, Qiu J. Phys Chem Chem Phys. 2010 Sep 27. [Epub ahead of print] PubMed PMID: 20871892.

  • Scanning Probe Direct-Write of Germanium Nanostructures. Torrey JD, Vasko SE, Kapetanovic A, Zhu Z, Scholl A, Rolandi M. Adv Mater. 2010 Sep 24. [Epub ahead of print] PubMed PMID: 20872407.

  • Bone densitometry using x-ray spectra. Krmar M, Shukla S, Ganezer K. Phys Med Biol. 2010 Sep 24;55(20):6105-6123. [Epub ahead of print] PubMed PMID: 20871137.

  • The effect of air mass origin on the ambient concentrations of (7)Be and (210)Pb in Islamabad, Pakistan. Ali N, Khan EU, Akhter P, Khattak NU, Khan F, Rana MA. J Environ Radioact. 2010 Sep 23. [Epub ahead of print] PubMed PMID: 20869795.

  • Metal-Assisted Chemical Etching of Silicon: A Review. Huang Z, Geyer N, Werner P, de Boor J, Gösele U. Adv Mater. 2010 Sep 21. [Epub ahead of print] PubMed PMID: 20859941.

  • ASSESSMENT OF RADIOLOGICAL HAZARDS OF CLAY BRICKS FABRICATED IN THE PUNJAB PROVINCE OF PAKISTAN. Asghar M, Tufail M, Khan K, Mahmood A. Radiat Prot Dosimetry. 2010 Sep 21. [Epub ahead of print] PubMed PMID: 20858678.

  • Toward a photoconducting semiconductor RF optical fiber antenna array. Davis R, Rice R, Ballato A, Hawkins T, Foy P, Ballato J. Appl Opt. 2010 Sep 20;49(27):5163-8. doi: 10.1364/AO.49.005163. PubMed PMID: 20856292.

  • Enhanced Raman Scattering from Nanoparticle-Decorated Nanocone Substrates: A Practical Approach to Harness In-Plane Excitation. Hu YS, Jeon J, Seok TJ, Lee S, Hafner JH, Drezek RA, Choo H. ACS Nano. 2010 Sep 13. [Epub ahead of print] PubMed PMID: 20836500.

  • Indium Flux-Growth of Eu(2)AuGe(3): A New Germanide with an AlB(2) Superstructure. Sebastian CP, Malliakas CD, Chondroudi M, Schellenberg I, Rayaprol S, Hoffmann RD, Po¨ttgen R, Kanatzidis MG. Inorg Chem. 2010 Sep 13. [Epub ahead of print] PubMed PMID: 20836517.

  • Germanium(ii) hydride mediated reduction of carbon dioxide to formic acid and methanol with ammonia borane as the hydrogen source. Jana A, Tavcar G, Roesky HW, John M. Dalton Trans. 2010 Sep 7. [Epub ahead of print] PubMed PMID: 20830405.

  • Survey of materials for nanoskiving and influence of the cutting process on the nanostructures produced. Lipomi DJ, Martinez RV, Rioux RM, Cademartiri L, Reus WF, Whitesides GM. ACS Appl Mater Interfaces. 2010 Sep;2(9):2503-14. PubMed PMID: 20815347.

  • Dual energy CT at the synchrotron: A piglet model for neurovascular research. Schültke E, Kelly ME, Nemoz C, Fiedler S, Ogieglo L, Crawford P, Paterson J, Beavis C, Esteve F, Brochard T, Renier M, Requardt H, Dallery D, Le Duc G, Meguro K. Eur J Radiol. 2010 Aug 21. [Epub ahead of print] PubMed PMID: 20732772.

  • Impact of source-production revision on the dose-rate constant of 131Cs interstitial brachytherapy sources. Chen Z, Bongiorni P, Nath R. Med Phys. 2010 Jul;37(7):3607-10. PubMed PMID: 20831068; PubMed Central PMCID: PMC2902542.

  • Synchrotron-based scattered radiation from phantom materials used in X-ray CT. Rao DV, Swapna M, Cesareo R, Brunetti A, Akatsuka T, Yuasa T, Takeda T, Gigante GE. J Xray Sci Technol. 2010;18(3):327-37. PubMed PMID: 20714090.

  • Methylated Metal(loid) Species in Humans. Met Ions Life Sci. 2010;7:465-521. Hirner AV, Rettenmeier AW. Epub 2010 Jan 30. PubMed PMID: 20877816.

  • Determination method for total arsenic and partial-digestion method with nitric acid for inorganic arsenic speciation in several varieties of rice. Nishimura T, Hamano-Nagaoka M, Sakakibara N, Abe T, Maekawa Y, Maitani T. Shokuhin Eiseigaku Zasshi. 2010;51(4):178-81. PubMed PMID: 20827054.

 

Recent Research & Development for Bromides

  • Aryl hydrocarbon receptor activation by aminoflavone: New molecular target for renal cancer treatment. Callero MA, Suárez GV, Luzzani G, Itkin B, Nguyen B, Loaiza-Perez AI. Int J Oncol. 2012 Apr 5. doi: 10.3892/ijo.2012.1427. [Epub ahead of print] PMID: 22485252 [PubMed - as supplied by publisher]

  • Marine bromophenol bis(2,3-dibromo-4,5-dihydroxybenzyl) ether, induces mitochondrial apoptosis in K562 cells and inhibits topoisomerase I in vitro. Liu M, Zhang W, Wei J, Qiu L, Lin X. Toxicol Lett. 2012 Mar 29. [Epub ahead of print] PMID: 22484147 [PubMed - as supplied by publisher]

  • One-pot synthesis of aptamer functionalized silver nanoclusters for cell-type specific imaging. Li J, Zhong X, Cheng F, Zhang JR, Jiang LP, Zhu JJ. Anal Chem. 2012 Apr 7. [Epub ahead of print] PMID: 22482827 [PubMed - as supplied by publisher]

  • Metabolic Activation of Prasugrel : Nature of the two Competitive Pathways Resulting in the Opening of its Thiophene Ring. Dansette PM, Rosi J, Debernardi J, Bertho G, Mansuy D. Chem Res Toxicol. 2012 Apr 6. [Epub ahead of print] PMID: 22482514 [PubMed - as supplied by publisher]

  • GnRH-III based multifunctional drug delivery systems containing daunorubicin and methotrexate. Leurs U, Lajkó E, Mezo G, Orbán E, Ohlschläger P, Marquardt A, Kohidai L, Manea M. Eur J Med Chem. 2012 Mar 16. [Epub ahead of print] PMID: 22480495 [PubMed - as supplied by publisher]

  • Hepatoprotective effects and HSV-1 activity of the hydroethanolic extract of Cecropia glaziovii (embaúba-vermelha) against acyclovir-resistant strain. Petronilho F, Dal-Pizzol F, Costa GM, Kappel VD, de Oliveira SQ, Fortunato J, Cittadini-Zanette V, Fonseca Moreira JC, Oliveira Simões CM, Dal-Pizzol F, Reginatto FH. Pharm Biol. 2012 Apr 6. [Epub ahead of print] PMID: 22480215 [PubMed - as supplied by publisher]

  • A solution-based nano-plasmonic sensing technique by using gold nanorods. Ho FH, Wu YH, Ujihara M, Imae T. Analyst. 2012 Apr 5. [Epub ahead of print] PMID: 22479700 [PubMed - as supplied by publisher]

  • In vitro antiproliferative effects of the indole alkaloid vallesiachotamine on human melanoma cells. Soares PR, de Oliveira PL, de Oliveira CM, Kato L, Guillo LA. Arch Pharm Res. 2012 Mar;35(3):565-71. Epub 2012 Apr 5. PMID: 22477204 [PubMed - in process]

  • Role of a novel pyridostigmine bromide-phospholipid nanocomplex in improving oral bioavailability. Tan QY, Hu NN, Liu GD, Yin HF, Zhang L, Wang H, Lu LY, Zhang JQ. Arch Pharm Res. 2012 Mar;35(3):499-508. Epub 2012 Apr 5. PMID: 22477197 [PubMed - in process]

  • Alkyl-chain disorder in tetraisohexylammonium bromide. Kelland MA, Thompson AL. Acta Crystallogr C. 2012 Apr;68(Pt 4):o152-5. Epub 2012 Mar 7. PMID: 22476146 [PubMed - in process]

  • Electrosynthesis of a Sc3N@Ih-C80 Methano Derivative from Trianionic Sc3N@Ih-C80. Li FF, Rodriguez-Fortea A, Peng P, Campos Chavez GA, Poblet JM, Echegoyen L. J Am Chem Soc. 2012 Apr 5. [Epub ahead of print] PMID: 22475512 [PubMed - as supplied by publisher]

  • Adsorption of ß-Casein-Surfactant Mixed Layers at the Air-Water Interface Evaluated by Interfacial Rheology. Maestro A, Kotsmar C, Javadi A, Miller R, Ortega F, Rubio RG. J Phys Chem B. 2012 Apr 4. [Epub ahead of print] PMID: 22475110 [PubMed - as supplied by publisher]

  • Halogen Oxidation and Halogen Photoelimination Chemistry of a Platinum-Rhodium Heterobimetallic Core. Cook TR, McCarthy BD, Lutterman DA, Nocera DG. Inorg Chem. 2012 Apr 4. [Epub ahead of print] PMID: 22475040 [PubMed - as supplied by publisher]

  • Antimicrobial studies of unsymmetrical bis-1,2,3-Triazoles. Banday AH, Shameem SA, Ganai BA. Org Med Chem Lett. 2012 Apr 4;2(1):13. [Epub ahead of print] PMID: 22475037 [PubMed - as supplied by publisher]

  • Nickel-Mediated Inter- and Intramolecular Reductive Cross-Coupling of Unactivated Alkyl Bromides and Aryl Iodides at Room Temperature. Yan CS, Peng Y, Xu XB, Wang YW. Chemistry. 2012 Mar 30. doi: 10.1002/chem.201200190. [Epub ahead of print] PMID: 22473912 [PubMed - as supplied by publisher]

  • A Bulky Biaryl Phosphine Ligand Allows for Palladium-Catalyzed Amidation of Five-Membered Heterocycles as Electrophiles. Su M, Buchwald SL. Angew Chem Int Ed Engl. 2012 Mar 30. doi: 10.1002/anie.201201244. [Epub ahead of print] PMID: 22473747 [PubMed - as supplied by publisher]

  • Antiproliferative Activity of Polygonaceae Species from the Carpathian Basin against Human Cancer Cell Lines. Lajter I, Zupkó I, Molnár J, Jakab G, Balogh L, Vasas A, Hohmann J. Phytother Res. 2012 Apr 4. doi: 10.1002/ptr.4690. [Epub ahead of print] PMID: 22473656 [PubMed - as supplied by publisher]

  • Diastereoselective alkylation reactions of 1-methylcyclohexa-2,5-diene-1-carboxylic acid. Bennett NJ, Elliott MC, Hewitt NL, Kariuki BM, Morton CA, Raw SA, Tomasi S. Org Biomol Chem. 2012 Apr 4. [Epub ahead of print] PMID: 22473327 [PubMed - as supplied by publisher]

  • Phase-transfer catalytic dichlorocyclopropanation of styrene under the influence of ultrasound conditions - A kinetic study. Wang ML, Prasad GS. Ultrason Sonochem. 2012 Mar 7. [Epub ahead of print] PMID: 22472498 [PubMed - as supplied by publisher]

  • In vitro targeted imaging and delivery of camptothecin using cetuximab-conjugated multifunctional PLGA-ZnS nanoparticles. Deepagan VG, Sarmento B, Menon D, Nascimento A, Jayasree A, Sreeranganathan M, Koyakutty M, Nair SV, Rangasamy J. Nanomedicine (Lond). 2012 Apr;7(4):507-19. PMID: 22471719 [PubMed - in process]

     

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