Oxygen

Base Information

• Chemical Name: Oxygen
• CAS No.: 7782-44-7
• Deprecated CAS: 1338-93-8,14797-70-7,80217-98-7,80937-33-3,1053656-93-1,1173018-52-4,1397194-37-4,1053656-93-1,14797-70-7,80217-98-7,80937-33-3
• Molecular Formula: O2
• Molecular Weight: 35.0226
• Hs Code.: 2804400000
• European Community (EC) Number: 231-956-9
• ICSC Number: 0138
• UN Number: 1072
• UNII: S88TT14065
• DSSTox Substance ID: DTXSID2037681
• Nikkaji Number: J1.336.092H,J415.761C
• Wikipedia: Oxygen,Dioxygen
• Wikidata: Q5203615
• NCI Thesaurus Code: C722
• RXCUI: 7806
• ChEMBL ID: CHEMBL1234886
• Mol file: 7782-44-7.mol

Synonyms:Dioxygen;Oxygen;Oxygen 16;Oxygen-16

Chemical Property of Oxygen

Chemical Property:

• Appearance/Colour: colourless gas
• Vapor Pressure: 3.27E-25mmHg at 25°C
• Melting Point: -218 °C(lit.)
• Refractive Index: 1.776
• Boiling Point: -183 °C
• Flash Point: none
• PSA: 34.14000
• Density: 1.083 g/cm³
• LogP: 0.06700
• XLogP3: -1.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 31.989829239
• Heavy Atom Count: 2
• Complexity: 0
• Transport DOT Label: Non-Flammable Gas Oxidizer

Purity/Quality:

99.0%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s): O,C
• Hazard Codes: O:
• Statements: R8:
• Safety Statements: S17:

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Inorganic Oxidizing Agents
• Canonical SMILES: O=O
• Recent ClinicalTrials: Oxygen Reserve Index and Prevention of Hyperoxemia
• Recent EU Clinical Trials: Prospective, randomized, controlled, open, multicenter clinical trial on the efficacy and safety of materno-fetal hyperoxygenation (MFHO) during the third trimester of pregnancy to treat underdeveloped left ventricular structures of the fetus
• Recent NIPH Clinical Trials: Efficacy of intraoperative Nitrous Oxide use on postoperative pain in patients with cervical spinal cord injury
• Effects of Short Term Exposure: The substance at very high concentrations is irritating to the respiratory tract. The substance may cause effects on the central nervous system, lungs and eyes.
• Effects of Long Term Exposure: Repeated or prolonged inhalation of high concentrations may cause effects on the lungs.

Technology Process of Oxygen

There total 167 articles about Oxygen which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

(bis(1,10-phenantroline) copper(I))(1+) → copper(II) bis(1,10-phenanthroline) + hydroperoxyl radical (7782-44-7)

Guidance literature:

With perchloric acid; oxygen; In acetonitrile; Kinetics;

Reference yield: 9.0%

hydroxyl (3352-57-6) + chlorine monoxide (14989-30-1) → hydrogenchloride (7647-01-0,15364-23-5) + clorine (14700-96-0,14835-24-6,15723-23-6,16547-50-5,16885-04-4,16887-00-6,16904-11-3,16904-12-4,16999-02-3,20337-89-7,20499-73-4,22537-15-1,22537-27-5,22541-73-7,22541-74-8,24203-47-2,33944-49-9,34937-26-3,37352-90-2) + oxygen (80937-33-3) + hydroperoxyl radical (7782-44-7)

Guidance literature:

In gas; between 218 and 298 K, OH source: F + H2O or H + NO2, ClO source: Cl + O3, reaction carried out in a discharge-flow system; Kinetics;

DOI:10.1021/jp0106449

Reference yield: 0.1%

ethyl radical (2025-56-1) + oxygen (80937-33-3) → hydroperoxyl radical (7782-44-7)

Guidance literature:

In neat (no solvent); byproducts: C2H4, C2H5O2; Irradiation (UV/VIS); reaction of O2 with C2H5 radicals formed by flash-light photolysis (22 °C, 5-100 Torr total pressure); 99.9% of C2H5 reacted with formation of C2H5O2; rate constant;; Kinetics;

DOI:10.1021/ja00890a004

upstream raw materials:

hydroxyl

ozone

dihydrogen peroxide

chlorine monoxide

Downstream raw materials:

dihydrogen peroxide

sodium hydroxide

sodium superoxide

ozone

Refernces

• 1、 Livingston, R.,Ghormley, J.,Zeldes, H.. "". . p. 483 - 484. Retrieved 1956.
• 2、 Depetris, Giulia,Angelini, Giancarlo,Ursini, Ornella,Rosi, Marzio,Troiani, Anna. "Linking ion and neutral chemistry in C-H bond electrophilic activation: Generation and detection of HO2. reactive radicals in the gas phase". . p. 1455 - 1458. Retrieved 2012.
• 3、 Keyser, Leon F.. "Absolute Rate Constant of the Reaction OH+HO2->H2O+O2". . p. 3667 - 3673. Retrieved 1981.
• 4、 La Verne, Jay A.,Schuler, Robert H.. "Track Effects in Radiation Chemistry: Production of HO2. in the Radiolysis of Water by High-LET (58)Ni Ions". . p. 6560 - 6563. Retrieved 1987.
• 5、 Smith, R. C.,Wyard, S. J.. "". . p. 226 - 228. Retrieved 1960.
• 6、 Dixon, R. N.,Mason, B. F.. "". . p. 1198 - 1198. Retrieved 1963.
• 7、 Czanyi, L.,Batyai, J.,Solymosi, F.. "". . p. 9 - 21. Retrieved 1963.
• 8、 LaVerne, Jay A.,Schuler, Robert H.,Burns W. G.. "Track Effects in Radiation Chemistry: Production of HO2(.) within the Track Core in the Heavy-Particle Radiolysis of Water". . p. 3238 - 3242. Retrieved 1986.
• 9、 Jain, Chaithanya,Morajkar, Pranay,Schoemaecker, Coralie,Fittschen, Christa. "Formation of HO2 radicals from the 248 nm two-photon excitation of different aromatic hydrocarbons in the presence of O2". . p. 6231 - 6239. Retrieved 2012.
• 10、 STAUDINGER,ULLRICH. "ON THE MECHANISM OF THE REACTION OF NONENZYMATIC HYDROXYLATION. WITH". . . Retrieved 1964.