463035
甲烷
electronic grade, ≥99.998%
别名:
Marsh gas, Methyl hydride
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关于此项目
经验公式（希尔记法）:
CH4
化学文摘社编号:
分子量:
16.04
UNSPSC Code:
41116107
NACRES:
NA.23
PubChem Substance ID:
EC Number:
200-812-7
Beilstein/REAXYS Number:
1718732
MDL number:
InChI key
VNWKTOKETHGBQD-UHFFFAOYSA-N
InChI
1S/CH4/h1H4
SMILES string
[H]C([H])([H])[H]
grade
electronic grade
vapor density
0.55 (vs air)
assay
≥99.998%
form
gas
autoignition temp.
998 °F
expl. lim.
15 %
impurities
<2 ppm CO, <2 ppm CO2, <3 ppm Water (H2O), <5 ppm Ethane (C2H5), <5 ppm Nitrogen (N2)
bp
−161 °C (lit.)
mp
−183 °C (lit.)
transition temp
critical temperature −82.1 °C
density
0.716 g/mL at 25 °C (lit.)
Quality Level
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Features and Benefits
甲烷用作碳化物和金刚石薄膜化学气相沉积 (CVD) 的碳源。
Other Notes
推荐使用高纯度调节器 Z527378 或 Z527386。
signalword
Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Compr. Gas
存储类别
2A - Gases
wgk
nwg
flash_point_f
-306.4 °F - closed cup
flash_point_c
-188 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
新产品
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Two human homologs of the Escherichia coli AlkB protein, denoted hABH2 and hABH3, were recently shown to directly reverse 1-methyladenine (1meA) and 3-methylcytosine (3meC) damages in DNA. We demonstrate that mice lacking functional mABH2 or mABH3 genes, or both, are
Mohamed F Haroon et al.
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Anaerobic oxidation of methane (AOM) is critical for controlling the flux of methane from anoxic environments. AOM coupled to iron, manganese and sulphate reduction have been demonstrated in consortia containing anaerobic methanotrophic (ANME) archaea. More recently it has been shown
Judlyn Fernandes et al.
The Journal of nutrition, 143(8), 1269-1275 (2013-06-07)
Recent attention has focused on the significance of colonic Archaea in human health and energy metabolism. The main objectives of this study were to determine the associations among the number of fecal Archaea, body mass index (BMI), fecal short chain
C Berndt et al.
Science (New York, N.Y.), 343(6168), 284-287 (2014-01-05)
Methane hydrate is an icelike substance that is stable at high pressure and low temperature in continental margin sediments. Since the discovery of a large number of gas flares at the landward termination of the gas hydrate stability zone off
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