DEUTERIUM

DEUTERIUM Suppliers list
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CAS:7782-39-0
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CAS: 7782-39-0
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CAS:7782-39-0
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Products Intro: Product Name:DEUTERIUM
CAS:7782-39-0
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DEUTERIUM manufacturers

  • DEUTERIUM
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  • $6.68 / 1KG
  • 2020-01-13
  • CAS: 7782-39-0
  • Min. Order: 1KG
  • Purity: 97%-99%
  • Supply Ability: 1kg-1000kg
DEUTERIUM Basic information
History Uses Preparation
Product Name:DEUTERIUM
Synonyms:DEUTERIUM;Hydrogen (2D);1-(4-Methoxyphenyl)-6-heptyn-1-one;DEUTERRIUM;(2)H2;Chebi:29294;Dideuterium;DeuteriuM Gas (D2)
CAS:7782-39-0
MF:D2
MW:4.03
EINECS:231-952-7
Product Categories:Gases;Materials for Hydrogen Storage;Synthetic Reagents;DStable Isotopes;Inorganics;Alternative Energy;DAlternative Energy;Deuterated MaterialsStable Isotopes;Alphabetical Listings;Chemical Synthesis;Compressed and Liquefied GasesStable Isotopes
Mol File:7782-39-0.mol
DEUTERIUM Structure
DEUTERIUM Chemical Properties
Melting point -254.43° (18.73 K) at 128.5 mm (triple point)
Boiling point -249.5 °C(lit.)
density 0.169 g/mL at 25 °C(lit.)
vapor density 0.07 (vs air)
vapor pressure 17.1-1665kPa at -254.43--234.8℃
form gas
color colorless
Merck 13,2956
Dielectric constant1.3(20℃)
Stability:Stable. Extremely flammable. Readily forms explosive mixtures with air.
CAS DataBase Reference7782-39-0(CAS DataBase Reference)
EPA Substance Registry SystemDeuterium (7782-39-0)
Safety Information
Hazard Codes F+
Risk Statements 12
Safety Statements 9-16-33
RIDADR UN 1957 2.1
WGK Germany 1
HazardClass 2.1
Hazardous Substances Data7782-39-0(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
DEUTERIUM Usage And Synthesis
HistoryRutherford predicted the existence of this heavy isotope of hydrogen in 1920. It was detected by Urey, Brickwedde and Murphy in 1932. It occurs in all natural compounds of hydrogen including water, as well as in free hydrogen molecules at the ratio of about one part per 6,000 parts hydrogen.
UsesThe principal application of deuterium is in tracer studies for measuring rates and kinetics of chemical reactions. It also is used in thermonuclear reactions; and as a projectile in cyclotrons for bombardment of atomic nuclei to synthesize isotopes of several transuranium elements. Deuterium oxide, D2O, or heavy water is used as a neutron moderator in nuclear reactors.
PreparationDeuterium may be prepared by several methods. Urey’s first method of preparation involved fractional distillation of a very large amount of liquid hydrogen. It also may be produced by electrolysis of heavy water obtained by H2S/H2O exchange process. It may be obtained by continued, long-time electrolysis of ordinary water in which light water molecules are split first, thus concentrating deuterated oxygen in the residual liquid. Also, deuterium in high purity may be separated by thermally induced diffusion processes.
Chemical Propertiescolourless gas
UsesUsed extensively in small amounts as tracer in the establishment of rates and kinetics of chemical reactions.
DefinitionA naturally occurring stable isotope of hydrogen in which the nucleus contains one proton and one neutron. The atomic mass is thus approximately twice that of 1H; deuterium is known as ‘heavy hydrogen’. Chemically it behaves almost identically to hydrogen, forming analogous compounds, although reactions of deuterium compounds are often slower than those of the corresponding 1H compounds. This is made use of in kinetic studies where the rate of a reaction may depend on transfer of a hydrogen atom (i.e. a kinetic isotope effect).
General DescriptionDEUTERIUM is an isotope of hydrogen but DEUTERIUM is chemically identical. DEUTERIUM is a colorless, odorless gas. DEUTERIUM is easily ignited. Once ignited DEUTERIUM burns with a pale blue, almost invisible flame. The vapors are lighter than air. DEUTERIUM is flammable over a wide range of vapor/air concentrations. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. DEUTERIUM is not toxic but is a simple asphyxiate by the displacement of oxygen in the air.
Air & Water ReactionsHighly flammable.
Reactivity ProfileDEUTERIUM, like hydrogen, is a reducing agent; reacts readily with oxidizing agents.
Health HazardVapors may cause dizziness or asphyxiation without warning. Some may be irritating if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases.
Fire HazardEXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. CAUTION: Hydrogen (UN1049), DEUTERIUM (UN1957), Hydrogen, refrigerated liquid (UN1966) and Methane (UN1971) are lighter than air and will rise. Hydrogen and DEUTERIUM fires are difficult to detect since they burn with an invisible flame. Use an alternate method of detection (thermal camera, broom handle, etc.) Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.
Agricultural UsesDeuterium is one of the three isotopes of hydrogen, the other two being hydrogen-1 and tritium. Hydrogen-1 and deuterium are naturally occurring stable isotopes, while the radioactive tritium is made artificially.
In nature, the ratio is one part of deuterium to 6500parts of normal hydrogen. Deuterium is present in water as the oxide HDO from which deuterium is usually obtained by electrolysis or fractional distillation. Its chemical behavior is similar to that of hydrogen, although deuterium compounds react slowly.
Purification MethodsPass the gas over activated charcoal at -195o [MacIver & Tobin J Phys Chem 64 451 1960]. Purify it also by diffusion through nickel [Pratt & Rogers, J Chem Soc, Faraday Trans I 92 1589 1976]. Always check deuterium for radioactivity to determine the amount of tritium in it (see D2O below).
DEUTERIUM Preparation Products And Raw materials
Preparation Productsfluoro surfactant FC-154-->fluorocarbon sulfactant 6201
Tag:DEUTERIUM(7782-39-0) Related Product Information
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