295396

Wasserstoff

≥99.99%

• Synonym(e): Hydrogen gas
• Empirische Formel (Hill-System): H₂
• CAS-Nummer: 1333-74-0
• Molekulargewicht: 2.02
• EG-Nummer: 215-605-7
• MDL-Nummer: MFCD00070838
• UNSPSC-Code: 12142100
• PubChem Substanz-ID: 24857780
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 0.07 (21 °C, vs air)
• Qualitätsniveau: 200
• Assay: ≥99.99%
• Selbstzündungstemp.: 1060 °F
• Expl.-Gr.: 74.2 %
• Verunreinigungen: ≤10 ppm oxygen; ≤5 ppm water
• bp: −252.8 °C (lit.)
• mp (Schmelzpunkt): −259.2 °C (lit.)
• SMILES String: [H]
• InChI: 1S/H2/h1H
• InChIKey: UFHFLCQGNIYNRP-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Hydrogen(H₂) is colorless, odorless, tasteless, non-toxic, and highly flammable diatomic gas.

Anwendung

H₂ can be used:

• To reduce metal oxide to metal.
• In the catalytic hydrogenation of nitro compounds, ketones, and olefinic compounds.

Verpackung

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

Sonstige Hinweise

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Rechtliche Hinweise

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS02,GHS04
• Signalwort: Danger
• H-Sätze: H220,H280
• P-Sätze: P210 - P377 - P381 - P410 + P403
• Gefahreneinstufungen: Flam. Gas 1A - Press. Gas Compr. Gas
• Lagerklassenschlüssel: 2A - Gases
• WGK: nwg
• Flammpunkt (°F): <-238.0 °F - closed cup
• Flammpunkt (°C): < -150 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)