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Merck
CN

00473

Hydrogen

≥99.999%

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关于此项目

经验公式(希尔记法):
H2
化学文摘社编号:
分子量:
2.02
UNSPSC Code:
12141902
PubChem Substance ID:
EC Number:
215-605-7
MDL number:
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InChI key

UFHFLCQGNIYNRP-UHFFFAOYSA-N

InChI

1S/H2/h1H

SMILES string

[H]

vapor density

0.07 (21 °C, vs air)

assay

≥99.999%

autoignition temp.

1060 °F

expl. lim.

74.2 %

bp

−252.8 °C (lit.)

mp

−259.2 °C (lit.)

Quality Level

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Packaging

压力罐;灌装压力 (15°C):11 巴;容积(15°C,1 巴):11 升

Other Notes

可能实行销售限制

pictograms

FlameGas cylinder

signalword

Danger

hcodes

Hazard Classifications

Flam. Gas 1A - Press. Gas Compr. Gas

存储类别

2B - Aerosol cans and lighters

wgk

nwg

flash_point_f

<-238.0 °F - closed cup

flash_point_c

< -150 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Ondrej L Krivanek et al.
Nature, 514(7521), 209-212 (2014-10-10)
Vibrational spectroscopies using infrared radiation, Raman scattering, neutrons, low-energy electrons and inelastic electron tunnelling are powerful techniques that can analyse bonding arrangements, identify chemical compounds and probe many other important properties of materials. The spatial resolution of these spectroscopies is
Patrick S Fier et al.
Science (New York, N.Y.), 342(6161), 956-960 (2013-11-23)
Fluorinated heterocycles are prevalent in pharmaceuticals, agrochemicals, and materials. However, reactions that incorporate fluorine into heteroarenes are limited in scope and can be hazardous. We present a broadly applicable and safe method for the site-selective fluorination of a single carbon-hydrogen
Hiroshi Ishikita et al.
Journal of the Royal Society, Interface, 11(91), 20130518-20130518 (2013-11-29)
In protein environments, proton transfer reactions occur along polar or charged residues and isolated water molecules. These species consist of H-bond networks that serve as proton transfer pathways; therefore, thorough understanding of H-bond energetics is essential when investigating proton transfer
Shafeer Kalathil et al.
Biotechnology advances, 31(6), 915-924 (2013-05-18)
Microorganisms naturally form biofilms on solid surfaces for their mutual benefits including protection from environmental stresses caused by contaminants, nutritional depletion or imbalances. The biofilms are normally dangerous to human health due to their inherited robustness. On the other hand
Takashi Kumagai et al.
Nature chemistry, 6(1), 41-46 (2013-12-19)
Although the local environment of a molecule can play an important role in its chemistry, rarely has it been examined experimentally at the level of individual molecules. Here we report the precise control of intramolecular hydrogen-transfer (tautomerization) reactions in single

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