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Oxygen

Oxygen / CAS : 7782-44-7

Appearance Colorless gas UN 1072
HS 28044000 DG Class 2.2
Synonyms Oxygen-16; Peroxide Radical; Dioxygen; Hyperoxia; Hydroperoxide Radical; Oxygengas; Hydroperoxo Radical; Oxigeno; Hydroperoxyl Radical; Lox; Oxygene; Perhydroxyl Radical; Pureoxygen; Hydroperoxy Radical; Peroxyl Radical; Liquidoxygen; Liquid-Oxygen-; Automotive Standard R99-5; Automotive Standard R99-6; Hydrogen And Oxygen; Oxygen, Pressure Tin With 1 L
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Properties

Summary

Formula
O2
Molecular Mass
31.99880
Exact Mass
31.98980
PSA
34.14000
Logp
0.06700
IUPAC
molecular oxygen
SMILES
O=O

Attribute classification

Matter Classification
inorganic
Category
Food(Feed) Additives > Additives For Food Packaging
API & Intermediate > Nervous System Drugs
Auxiliary > Beneficiation Agents And Smelting Additives

Chemical and Physical Properties

Melting Point
−218 °C(lit.)
Density
1.429(0℃)
Boiling Point
−183 °C(lit.)
Flash Point
none
Appearance
Colorless gas

Export information

HS Code
28044000
Export Rebate
0%
UN No.
1072
DG-Class
2.2
Risk Code
8-52/53-34-48/20/22-37
Safety Label
O,C

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