8 O 15.999

Oxygen

nonmetal · Group 16 · Period 2

2 section(s) thin

Atomic properties

Atomic number
8
Z
Atomic weight
15.999[1]
g/mol
Density
0.001429 g/cm³
at STP
Melting point
-218.79 °C
at 1 atm
Boiling point
-182.96 °C
at 1 atm
Crystal structure
cubic
Electron config.
[He] 2s² 2p⁴
Oxidation states
-2
most common

Market data

No tradeable futures market for O on Yahoo / Stooq. Live market data is not available; pricing in this page is based on contract reference figures from the source documents.

Commercial forms & specifications

Product FormChemical FormulaMolecular WeightTypical PurityPrice Range (USD/unit)Main Applications
Compressed Gas OxygenO₂31.998 g/mol99.5-99.999%$0.15-0.50/m³Welding, metal cutting, industrial
Liquid Oxygen (LOX)O₂31.998 g/mol99.5-99.999%$0.10-0.30/kgAerospace, medical, steel production
Medical Oxygen USPO₂31.998 g/mol99.0% min (USP)$0.50-2.00/m³Hospitals, respiratory therapy
Ultra-High Purity OxygenO₂31.998 g/mol99.999-99.9999%$2.00-10.00/m³Semiconductor, electronics, research
Aviator's Breathing OxygenO₂31.998 g/mol99.5% min (MIL-PRF)$1.00-3.00/m³Aviation, military applications
Hydrogen PeroxideH₂O₂34.014 g/mol30-70% solution$0.50-2.00/kgBleaching, disinfection, propellants
OzoneO₃47.997 g/molGenerated on-site$50-200/kg O₃Water treatment, sterilization
Oxygen PSA SystemsO₂31.998 g/mol90-95%$0.05-0.20/m³On-site generation, medical
Oxygen Membrane SystemsO₂31.998 g/mol30-40% enriched$0.03-0.10/m³Combustion enhancement
Oxygen Cylinders (K-size)O₂31.998 g/mol99.5%$30-80/cylinderPortable applications
Bulk Liquid OxygenO₂31.998 g/mol99.5-99.8%$80-150/tonLarge industrial users
Oxygen-18 Isotope¹⁸O₂35.998 g/mol95-98% ¹⁸O$800-1500/LMedical imaging, research

Suppliers by country

🇫🇷 France

CompanyProduct FormsSpecialties
Air LiquideCompressed gas, liquid, on-site generation, ultra-high purityWorld's largest industrial gas company, medical gases, electronics gases

🇬🇧 United Kingdom / 🇩🇪 Germany

CompanyProduct FormsSpecialties
Linde plcAll oxygen forms, on-site plants, specialty gasesGlobal leader, merged with Praxair, advanced separation technologies

🇺🇸 United States

CompanyProduct FormsSpecialties
Air ProductsLiquid, gas, on-site generation, tonnage oxygenLarge-scale ASUs, hydrogen/oxygen co-production
Chart IndustriesEquipment, storage systems, small-scale liquefiersCryogenic equipment, oxygen systems
MathesonHigh-purity oxygen, specialty mixturesElectronics gases, calibration gases

🇯🇵 Japan

CompanyProduct FormsSpecialties
Taiyo Nippon SansoIndustrial oxygen, medical oxygen, ultra-high purityAsia-Pacific leader, semiconductor gases

🇩🇪 Germany

CompanyProduct FormsSpecialties
Messer GroupIndustrial gases, medical oxygen, on-siteFamily-owned, strong in Europe and Asia

🇮🇳 India

CompanyProduct FormsSpecialties
INOX Air ProductsLiquid, compressed gas, medical oxygenJoint venture, Indian market leader
Linde IndiaIndustrial and medical oxygen, tonnage plantsLargest producer in India

🇨🇳 China

CompanyProduct FormsSpecialties
Yingde GasesIndustrial oxygen, on-site plantsLargest independent producer in China
Hangzhou Oxygen Plant GroupASU equipment, oxygen productionMajor equipment manufacturer

Market demand by product form

Product FormGlobal Market SizeUSA MarketChina MarketGrowth Rate (CAGR)
Industrial Oxygen (Bulk)$22 billion18% share31% share5.5%
Medical Oxygen$8.5 billion25% share20% share7.2%
On-site Generation$12 billion20% share35% share6.8%
Cylinder Oxygen$4.5 billion22% share18% share4.5%
Ultra-High Purity$2.8 billion30% share25% share8.5%
Liquid Oxygen (Merchant)$15 billion20% share28% share5.0%
PSA/Membrane Systems$3.2 billion18% share30% share7.5%
Hydrogen Peroxide$4.8 billion15% share35% share5.8%

Moles per kilogram

Product FormFormulaMW (g/mol)Moles/kg
Oxygen GasO₂31.99831.26
OzoneO₃47.99720.83
Hydrogen PeroxideH₂O₂34.01429.40
WaterH₂O18.01555.51
Oxygen-18 (isotope)¹⁸O₂35.99827.78

References

No citations on this page yet. References will appear here once enrichment runs.

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Coverage notes

The following sections are thin or absent in the source document for this element. They will be filled by enrichment passes (NIST atomic, OSHA/NIOSH safety, USGS / IAI environmental).