Nitric oxide

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Nitric oxide
Skeletal formula o nitric oxide wi bond lenth
Skeletal formula shawin three lone pairs an ane unpaired electron
Space-fillin model o nitric oxide
Names
IUPAC name
Nitric oxide
Seestematic IUPAC name
Oxidonitrogen(•)[1] (additive)
Ither names
Nitrogen monoxide
Nitrogen(II) oxide
Identifiers
Jmol-3D images Image
3DMet {{{value}}}
ChEBI CHEBI:16480 YesY
ChEMBL ChEMBL1200689 N
ChemSpider 127983 YesY
DrugBank DB00435 YesY
ECHA InfoCard 100.030.233
EC Nummer 233-271-0
Gmelin Reference 451
KEGG D00074 YesY
RTECS nummer QX0525000
UNII 31C4KY9ESH YesY
UN nummer 1660
Properties
NO
Molar mass 30.01 g·mol−1
Appearance Colourless gas
Density 1.3402 g dm−3
Meltin pynt −164 °C (−263 °F; 109 K)
Bylin pynt −152 °C (−242 °F; 121 K)
0.0098 g/100ml (0 °C)
0.0056 g/100ml (20 °C)
Refractive index (nD) 1.0002697
Structur
Molecular shape linear (pynt group Cv)
Thermochemistry
Staundart molar
entropy
So298
210.76 J K−1 mol−1
Std enthalpy o
formation
ΔfHo298
91.29 kJ mol−1
Pharmacology
R07AX01 (WHO)
Routes o
admeenistration
Inhalation
Pharmacokinetics:
good
via pulmonary capillary bed
2–6 seconds
Hazards
Safety data sheet Freemit MSDS
EU clessification Oxidising agent O Toxic T
R-phrases R8, R23, R34, R44
S-phrases (S1), S17, S23, S36/37/39, S45
NFPA 704
Flammability code 0: Will nae burn. E.g., watter Health code 3: Short exposur could cause serious temporary or residual injury. E.g., chlorine gas Reactivity code 3: Capable of detonation or explosive decomposition but requires a strong initiatin soorce, must be heatit unner confinement afore initiation, reacts explosively wi watter, or will detonate if severely shocked. E.g., fluorine Special hazard OX: Oxidizer. E.g., potassium perchlorateNFPA 704 four-colored diamond
Lethal dose or concentration (LD, LC):
315 ppm (rabbit, 15 min)
854 ppm (rat, 4 hr)
320 ppm (mouse)[2]
2500 ppm (mouse, 12 min)[2]
Relatit compoonds
Dinitrogen pentoxide

Dinitrogen tetroxide
Dinitrogen trioxide
Nitrogen dioxide
Nitrous oxide
Nitroxyl (reduced form)
Hydroxylamine (hydrogenatit form)

Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Nitric oxide (nitrogen oxide,[3] nitrogen monoxide) is a molecular, chemical compoond wi chemical formula o ·NO.

Referenes[eedit | eedit soorce]

  1. "Nitric Oxide (CHEBI:16480)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 
  2. 2.0 2.1 "Nitric oxide". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH). 
  3. IUPAC nomenclature of inorganic chemistry 2005. PDF.