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CAS 7782-44-7

CAS 7782-44-7 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 7782-44-7
CAS 7782-44-7PubChem CID 977

Oxygen

Oxygen is a colorless, odorless and tasteless gas. It will support life. It is noncombustible, but will actively support the burning of combustible materials. Some materials that will not burn in air will burn in oxygen. Materials that burn in air will burn more vigorously in oxygen. As a non-liquid gas it is shipped at pressures of 2000 psig or above. Pure oxygen is nonflammable. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Oxygen is used in the production of synthesis gas from coal, for resuscitation and as an inhalant. — CAMEO Chemicals

IUPAC name
molecular oxygen
Molecular formula
O2
Molecular weight
31.999 g/mol
Exact mass
31.989829239 Da
XLogP3
-1.1
Topological polar surface area
34.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

oxygen moleculeDioxygenPure oxygenOxygeniumLiquid oxygenOxygen, liquifiedOxygen-16Compressed oxygen
16 more reported names
Oxygen, compressedINS NO.948INS-948E-948S88TT14065E948RNS60 COMPONENT OXYGENRNS-60 COMPONENT OXYGENCHEBI:15379Oxygen 16OXYGEN GASoxidanoneAir Compressedreconstituted AirOxygen CompressedNitrogen, Oxygen
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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 7782-44-7

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No records found for this CAS number.

How CAS 7782-44-7 is used on this site

CAS 7782-44-7 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 7782-44-7 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.