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Hydrogen FAQs

What is the substance identification of hydrogen?

  • Chemical formula: H₂
  • Synonyms: Liquid Hydrogen (LHY), Gaseous Hydrogen (BHY)
  • REACH Registration Number: Listed in Annex IV / V REACH, exempted from registration
  • Gases under pressure - Compressed gas. H280:Contains gas under pressure; may explode if heated

What is the ADR classification of hydrogen?

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