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00473

Hydrogen

≥99.999%

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About This Item

Empirical Formula (Hill Notation):
H2
CAS Number:
1333-74-0
Molecular Weight:
2.02
UNSPSC Code:
12141902
PubChem Substance ID:
329747078
EC Number:
215-605-7
MDL number:
MFCD00070838
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vapor density

0.07 (21 °C, vs air)

Quality Segment

100

assay

≥99.999%

autoignition temp.

1060 °F

expl. lim.

74.2 %

bp

−252.8 °C (lit.)

mp

−259.2 °C (lit.)

SMILES string

[H]

InChI

1S/H2/h1H

InChI key

UFHFLCQGNIYNRP-UHFFFAOYSA-N

Packaging

pressure tin; filling pressure at 15°C: 11 bar; content (15°C, 1 bar): 11 L

Other Notes

Sales restrictions may apply

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pictograms

FlameGas cylinder
GHS02,GHS04

signalword

Danger

hcodes

H220,H280

Hazard Classifications

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

Storage Class

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

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