(2H4)Methane

Base Information

• Chemical Name: (2H4)Methane
• CAS No.: 558-20-3
• Molecular Formula: CD4
• Molecular Weight: 20.011
• European Community (EC) Number: 209-191-7
• DSSTox Substance ID: DTXSID30204377
• Nikkaji Number: J188.419K
• Wikidata: Q83077820
• Mol file: 558-20-3.mol

Synonyms:Methane-d4;(2H4)Methane;tetradeuteriomethane;558-20-3;EINECS 209-191-7;Methane-d4, 99 atom % D;CD4;Methane-d4 (gas);C-D4;DTXSID30204377;MFCD00084155;CS-C-00185

Chemical Property of (2H4)Methane

Chemical Property:

• Appearance/Colour: colourless gas
• Vapor Pressure: 205000mmHg at 25°C
• Melting Point: −183 °C(lit.)
• Boiling Point: −161 °C(lit.)
• Flash Point: -18°C
• PSA: 0.00000
• Density: 0.55 (vs air)
• LogP: 0.63610
• XLogP3: 0.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 20.0564071114
• Heavy Atom Count: 1
• Complexity: 0

Purity/Quality:

99%, ^*data from raw suppliers

Methane-d4 99 atom % D ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F+
• Hazard Codes: F+
• Statements: 12
• Safety Statements: 9-16-33

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Toxic Gases & Vapors -> Simple Asphyxiants
• Canonical SMILES: C
• Isomeric SMILES: [2H]C([2H])([2H])[2H]

Technology Process of (2H4)Methane

There total 69 articles about (2H4)Methane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 62.0%

methane (34557-54-5,27936-85-2) → methane-d2 (676-55-1) + methane-d3 (676-80-2) + methane (558-20-3)

Guidance literature:

With deuterium; nickel; at 473 ℃; for 0.333333h; under 90.007 Torr; Product distribution; other temp., other catalyst;

DOI:10.1246/cl.1983.565

Reference yield: 14.0%

methane (34557-54-5,27936-85-2) → methane-d2 (676-55-1) + Monodeuteromethan (676-49-3) + methane-d3 (676-80-2) + methane (558-20-3)

Guidance literature:

With deuterium; silica gel; palladium; at 464.9 ℃; for 1.66667h; Product distribution; Rate constant; further catalysts: silica-supported palladium/silver alloy (percent Pd 0-75);

Reference yield:

→ methane (558-20-3)

Guidance literature:

With nickel kieselguhr; deuterium; at 255 ℃;

upstream raw materials:

deuterated methyl radical

ethane-d6

propene

propane-d8

Downstream raw materials:

Monodeuteromethan

methane-d2

ethylene-1,1-d2

methane-d3

Refernces

• 1、 Kang, Shujuan,Ma, Qisheng,Chen, Weiqun,Chen, Guanyi,Tang, Yongchun. "High-temperature Shilov-type methane conversion reaction: Mechanistic and kinetic studies". . p. 1777 - 1784. Retrieved 2015.
• 2、 Shen, Guo-Cheng,Ichikawa, Masaru. "Methane hydrogenation and confirmation of CHx intermediate species on NaY encapsulated cobalt clusters and Co/SiO2 catalysts: EXAFS, FTIR, UV characterization and catalytic performances". . p. 1185 - 1193. Retrieved 1997.
• 3、 Khodakov, Andrei,Barbouth, Nisso,Berthier, Yves,Oudar, Jacques,Schulz, Philippe. "Effect of Pt Particle Size on H/D Exchange of Methane over Alumina- and Zeolite-supported Catalysts". . p. 569 - 574. Retrieved 1995.
• 4、 Labinger et al.. "". . p. 3254. Retrieved 1978.
• 5、 Sattler, Aaron,Paccagnini, Michele,Lanci, Michael P.,Miseo, Sabato,Kliewer, Chris E.. "Platinum catalyzed c-h activation and the effect of metal-support interactions". . p. 710 - 720. Retrieved 2020.
• 6、 Oliver, James A.,Kemball, Charles,Brown, Ronald,Jamieson, Edward W.. "Exchange Reactions of Hydrocarbons on Silica-supported Rh-Pt Bimetallic Catalysts". . p. 1871 - 1882. Retrieved 1985.
• 7、 Brown, Ronald,Kemball, Charles. "Reactions of Hydrocarbons over Ru/SiO2: Exchange with Deuterium and the Onset of Hydrogenolysis". . p. 585 - 594. Retrieved 1993.
• 8、 Brown. "". . p. 6600,6602. Retrieved 1979.
• 9、 Higashi, Takuya,Kusumoto, Shuhei,Nozaki, Kyoko. "Heterolytic Oxidative Addition of sp2and sp3C-H Bonds by Metal-Ligand Cooperation with an Electron-Deficient Cyclopentadienone Iridium Complex". supporting information. p. 12999 - 13004. Retrieved 2021/08/16.