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CAS 1333-74-0

CAS 1333-74-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1333-74-0
CAS 1333-74-0PubChem CID 783

Hydrogen

Hydrogen, refrigerated liquid (cryogenic liquid) appears as a colorless very cold liquid shipped in special heavily insulated containers. Boils at -442 °F. Contact causes severe frostbite. Hydrogen gas at normal temperatures is lighter than air but until vapors boiling off from the liquid warm up they are heavier than air. Very easily ignited. Burns with a pale blue, almost invisible flame. A leak could be either a vapor or a liquid leak. The container is designed to vent the vapor as it is boils off. Under prolonged exposure to intense heat the containers may rupture violently and rocket. — CAMEO Chemicals

IUPAC name
molecular hydrogen
Molecular formula
H2
Molecular weight
2.016 g/mol
Exact mass
2.0156500638 Da
XLogP3
0.0
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
0
Covalent units
1
Defined stereocentres
0

Also known as

DihydrogenProtiumhydrogen-17YNJ3PO35ZCHEBI:18276Hydrogen atomsRefChem:389053215-605-7
16 more reported names
HAtomic hydrogenHydrogen gasH2Hydrogen in Steel, 1g/piece1-Butanol, titanium(4+) salt, monohydrate, homopolymer (9CI)Hydrogen, atomicH in Stainless Steel, 1g Balls of O 6.35 mmhidrogenohydrogeneWasserstoffo-Hydrogenp-Hydrogenhydrogen moleculemonoatomic hydrogen1H
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1333-74-0

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No records found for this CAS number.

How CAS 1333-74-0 is used on this site

CAS 1333-74-0 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1333-74-0 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.