tanker trucks. 2 Names and Identifiers Expand this section. Registered Trademark. Tellurium improves machinability of copper. It is obtained as a by-product during the refinement … See reverse side of invoice or packing slip for additional terms and conditions of sale. Manganese-Doped Copper Tin Telluride Absorber Layer-Sensitized Solar Cells. Also called tellurium copper, 145 copper contains tellurium, which makes it more machinable than all other copper while maintaining good corrosion resistance and high electrical conductivity. Also, the Polar Division of Norilsk Nickel (MCX:GMKN), the world’s largest producer of nickeland palladium, produces significant amounts of tellurium. Tellurium is a metalloid, meaning it possesses the properties of both metals and nonmetals. The chemical symbol for Tellurium is Te. Cuprous monotelluride. Its extreme rarity in the Earth's crust, comparable to that of platinum, is due partly to its formation of a volatile hydridethat caused tellurium to be lost to space as a … It is mildly toxic. It was discovered in 1782 by the mining engineer and mineralogist Franz-Joseph Muller. Isotopes: Tellurium has 33 isotopes whose half-lives are known, with mass numbers 106 to 138. The name Tellurium originates from the Greek word Tellus, meaning Earth. [1], Tellurium copper is not suited to welding though can be welded with gas shielded arc welding or resistance welding; it can be readily soft soldered, silver soldered, or brazed. In its elemental form, tellurium has a silvery lustrous gray appearance. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. chemical element with atomic number 52 which means there are 52 protons and 52 electrons in the atomic structure Certificates with a traceable lot number are available for these products. Use personal protective equipment. Overview. © 1998-2020 American Elements. 3 Chemical and Physical Properties Expand this section. 4 Related Records Expand this section. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. Safety Data Sheet according to Regulation (EC) No. ASTM specification B301 has 0.5% tellurium; at concentrations of up to 0.75% machinability is improved whilst electrical conductivity and hot working behavior is maintained. [4], For binary compounds of copper and tellurium, see, https://en.wikipedia.org/w/index.php?title=Tellurium_copper&oldid=991088822, All articles with links needing disambiguation, Articles with links needing disambiguation from May 2019, Creative Commons Attribution-ShareAlike License, This page was last edited on 28 November 2020, at 05:31. Fabrication and Electrical Properties of Silver Telluride Nanowires. American Elements Launches NEW 6,000+ product Life Science Product Group. Tellurium has an atomic number of 52 and an atomic weight of 127.6. 3,167 points • 70 comments - Are you made of copper and tellurium? Physical State: SolidAppearance: No information availableOdor: OdorlessOdor Threshold: No information availablepH: No information availableMelting Point/Range: No data availableBoiling Point/Range: No information availableFlash Point: No information availableEvaporation Rate: Not applicableFlammability (solid,gas): No information availableFlammability or explosive limits Upper: No data available Lower: No data availableVapor Pressure: No information availableVapor Density: Not applicableSpecific Gravity: 7.27 g/cm3Solubility: No information availablePartition coefficient; n-octanol/water: No data availableAutoignition Temperature: No information availableDecomposition Temperature: No information availableViscosity: Not applicableMolecular Formula: Cu2TeMolecular Weight: 254.68. The tellurium atom has a radius of 140 pm and a Van der Waals radius of 206 pm. Tellurium dioxide (TeO 2) Telluric acid (Te(OH) 6) Interesting facts: It is a relatively rare element as the rarest stable solid element in the earth's crust. History of the Abbreviations . Help. The refining of 550 tons of copper is required to produce one pound of tellurium. See more Tellurium products. Do not allow material to contaminate ground water system. SUBSTANCE/COMPOSITE AND COMPANY Name of the substance or the preparation DIN Code- Nr. TELLURIUM COPPER DISTRIBUTOR IN THE USA A METAL SOURCE, LLC is a metal distributor of Tellurium Copper Alloy in any size or form per condition and specification noted below. Exposure GuidelinesComponent:Copper(I) Telluride (Cu2Te)ACGIH TLV:TWA: 1 mg/m3TWA: 0.1 mg/m3OSHA PEL:(Vacated) TWA: 0.1 mg/m3NIOSH IDLH:IDLH: 100 mg/m3IDLH: 25 mg/m3TWA: 1 mg/m3TWA: 0.1 mg/m3Mexico OEL (TWA):TWA: 0.1 mg/m3Engineering Measures:None under normal use conditions.Personal Protective EquipmentEye/face Protection:Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.Skin and body protection:Wear appropriate protective gloves and clothing to prevent skin exposure.Respiratory Protection:No protective equipment is needed under normal use conditions.Hygiene Measures:Handle in accordance with good industrial hygiene and safety practice. Tellurium is critical to technological applications in cadmium-tellurium solar panels and semiconductors. Tellurium is usually added to copper to improve machinability ("free cutting"). Production: 35 MT Russia was the top tellurium-producing country in 2016, with its total output remaining the same as in 2015, at 35 MT. Variants include full-hard (H04) tellurium copper, half-hard (H02) tellurium copper, and annealed (OS050) tellurium copper. , CU1-TE-025 Avoid contact with skin, eyes and clothing. Tellurium is most commonly sourced from the anode sludges produced as a byproduct of copper refining. It is a brittle, mildly toxic, rare, silver-white metalloid. Cuprous telluride (Cu2Te) Dicopper telluride. State Right-to-Know RegulationsComponent: Copper(I) TellurideMassachusetts: -New Jersey: XPennsylvania: XIllinois: -Rhode Island: XU.S. Tellurium is a metalloid element with the chemical symbol Te and atomic number 52. Between 4.3 to 30% (mol) Te there is stratification between Cu and Cu2Te. The number of electrons in each of tellurium's shells is 2, 8, 18, 18, 6 and its electron configuration is [Kr] 4d 10 5s 2 5p 4 . Atomic Number: 52 Atomic Symbol: Te Atomic Weight: 127.60 Melting Point: 841.1 F (449.5 C) Boiling Point: 1,810.4 F (988 C) Word origin: Tellurium comes from the Latin word tellus , … Do not allow material to contaminate ground water system.Persistence and Degradability: Insoluble in water may persistBioaccumulation/ Accumulation: No information available.Mobility: Is not likely mobile in the environment due its low water solubility. Avoid dust formation.Storage:Keep containers tightly closed in a dry, cool and well-ventilated place. Ask an American Elements Materials Science Engineer, Publish your research on the American Elements website. Acute ToxicityProduct Information:Component Information:Toxicologically Synergistic Products: No information availableDelayed and immediate effects as well as chronic effects from short and long-term exposureIrritation: No information availableSensitization: No information availableCarcinogenicityComponent: Copper(I) TellurideCAS-No: 12019-52-2IARC: Not listedNTP: Not listedACGIH: Not listedOSHA: Not listedMexico: Not listedMutagenic Effects: No information availableReproductive Effects: No information available.Developmental Effects: No information available.Teratogenicity: No information available.STOT - single exposure: None knownSTOT - repeated exposure: None knownAspiration hazard: No information availableSymptoms / effects,both acute and delayed: No information availableEndocrine Disruptor Information: No information availableOther Adverse Effects: The toxicological properties have not been fully investigated. Reactive Hazard:None known, based on information availableStability:Stable under normal conditions.Conditions to Avoid:Incompatible products.Incompatible Materials:Strong oxidizing agentsHazardous Decomposition Products:Tellurium oxide, Copper oxidesHazardous Polymerization:Hazardous polymerization does not occur.Hazardous Reactions:None under normal processing. Mechanical properties are similar to tough pitch copper, whilst machinability is similar to brass - the alloy's hardnesses are increased by precipitation of copper telluride[disambiguation needed]. Tellurium copper is an alloy of copper and tellurium. Those are subtle reminders of the history of the Periodic Table and the process of the discovery of elements over the millennia. It’s often used for transformer and circuit-breaker terminals, welding torch tips, and fasteners.. Typical bulk packaging includes palletized plastic 5 gallon/25 kg. Handling:Wear personal protective equipment. Contents. Department of Homeland Security:This product does not contain any DHS chemicals.Mexico - Grade:No information available. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. COVID-19 Status: American Elements is currently in full operations and sales engineers are available for orders. Copper(I) telluride. Copper-tellurium alloy, Cu99.5Te0.5 12 Product Results | Match Criteria: Product Name It does not represent any guarantee of the properties of the product. [2], Tellurium copper can be used as the electrode in electrical discharge machining (EDM) - the alloy is used to replace copper when grinding wheel loading occurs during fine finishing of the electrode - the alloy retains the properties of copper in the EDM process. 1 Structures Expand this section. 5 Information Sources. Commercially, tellurium is obtained as a byproduct of electrolytic copper refining. These include Cu4Te, Cu2Te (m.p. Electrocatalytic proton-reduction behaviour of telluride-capped triiron clusters: tuning of overpotentials and stabilization of redox states relative to lighter chalcogenide analogues. Avoid dust formation. Dicopper(1+) telluride; Cuprous telluride; Cuprous monotelluride; Dicopper monotelluride. Tellurium is usually added to copper to improve machinability ("free cutting"). Triple-sensitivity high-spatial-resolution X-ray computed tomography using a cadmium-telluride detector and its beam-hardening effect. EcotoxicityMay cause long-term adverse effects in the environment. -Rhode Island: XU.S obtained commercially from the Greek word Tellus, meaning it possesses the properties of copper tellurium symbol tellurium... Liable for any damage resulting from handling or from Contact with the symbol! Packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes and. 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