Specialty Gases

Product Introduction:

English name: Oxygen

Chemical formula: O2

CAS number: 7782-44-7

Appearance: colorless gas

Molar mass: 32g/mol

Melting point: -218.8

Density: 1.14

Solubility (water): 1.14 (-183℃)

Boiling point: -181.3

Warning term: Danger

GHS hazard classification: Oxidizing gas Classification 1

Main hazard: Avoid inhalation of high concentrations

Technical parameters:

Purity	Impurities	Packaging	Valve	Implementation standards	Use
≥99.999%	H₂≤0.5，Ar≤2，N₂≤5，Total hydrocarbon content ≤0.5，CO₂≤0.5，H₂O≤2	Bottled, containerized	QF-90A	GB/T14599-2008	High-purity oxygen is used for chemical vapor deposition of silicon dioxide; As an oxidation source and a reactant for producing high-purity water; Method oxidation; Mixed with carbon tetrafluoride for plasma etching. The main use of oxygen comes from its ability to sustain life and its combustion-supporting properties; It is widely used in the metallurgical industry. It can also be used for water treatment. All oxidation reactions and combustion processes require oxygen, such as the removal of impurities such as sulfur and phosphorus during steelmaking. The temperature of oxygen and acetylene mixture when burning is as high as 3500℃, which is used for welding and cutting of steel. Oxygen is required for glass manufacturing, cement production, mineral roasting, and hydrocarbon processing.
≥99.9999%	H₂≤0.1，Ar≤0.2，N₂≤0.1，Total hydrocarbon content ≤0.1，CO₂≤0.1，H₂O≤0.5		CGA-540	GB/T14604-2009

Serial number	Name	Chemical formula	Purity (%)	Pressure (Mpa)	Filling volume (m3/kg)
1	Oxygen	O2	99.999	9.5	0.4
2	Oxygen	O2	99.999	9.5	0.8
3	Oxygen	O2	99.999	13.5	5
4	Oxygen	O2	99.9999	13.5	5.5

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