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Hydrogen

ALDRICH/295396 - ≥99.99%

Synonym: Hydrogen gas

CAS Number: 1333-74-0
Empirical Formula (Hill Notation): H2
Molecular Weight: 2.02
EC Number: 215-605-7
MDL Number: MFCD00070838
Linear Formula: H2
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-295396-56L 56 L
 $599.00
1/EA		 Add To Favorites
45-295396-57L 57 L
 $633.00
1/EA		 Add To Favorites

 

assay ≥99.99%
autoignition temp. 1060 °F
bp −252.8 °C (lit.)
expl. lim. 74.2 %
impurities ≤10 ppm oxygen
  ≤5 ppm water
InChI 1S/H2/h1H
InChI key UFHFLCQGNIYNRP-UHFFFAOYSA-N
mp −259.2 °C (lit.)
Quality Level 200 
SMILES string [H]
vapor density 0.07 (21 °C, vs air)
Application: H2 can be used:
• To reduce metal oxide to metal.
• In the catalytic hydrogenation of nitro compounds, ketones, and olefinic compounds.
General description: Hydrogen(H2) is colorless, odorless, tasteless, non-toxic, and highly flammable diatomic gas.
Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Other Notes: See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation 
Packaging: 56 L in steel cylinder
Packaging: Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:• Aldrich® lecture-bottle station systems
• Aldrich® lecture-bottle gas regulators
Symbol GHS02GHS04  GHS02,GHS04
Signal word Danger
Hazard statements H220 - H280
Precautionary statements P210 - P377 - P381 - P410 + P403
Hazard Codes F+
Risk Statements 12
Safety Statements 9-16-33
RIDADR UN1049 - class 2 - Hydrogen, compressed
WGK Germany nwg
Flash Point(F) < -238.0 °F - closed cup
Flash Point(C) < -150 °C - closed cup
Purity ≥99.99%
bp −252.8 °C (lit.)
mp −259.2 °C (lit.)
UNSPSC 12142100

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