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nitrogen dioxide
Sign in to saveAlso known as nitrogen peroxide, nitrogen(IV) oxide, deutoxide of nitrogen
chemical compound
OverviewAI-generated
Nitrogen dioxide is a chemical compound with the formula NO₂. It has a standard enthalpy of formation of 33.1 and a standard molar entropy of 240.1. The substance possesses a density of 1.44, a melting point of 15, and a boiling point of 70. Its vapor pressure is 720, and its ionization energy is 9.75. The electric dipole moment is 0.316.
The compound has a mass of 45.993 and a weight of 46.006. It features a canonical SMILES notation of N(=O)[O]. Safety data indicates an immediately dangerous to life or health level of 37.6, a ceiling exposure limit of 9, and a short-term exposure limit of 1.8. The NIOSH Pocket Guide ID for this substance is 0454.
Additional properties include an xlogp of -0.3, a tpsa of 30.4, and two hydrogen bond acceptors with no hydrogen bond donors. The molecule carries a charge of 0. There are 26,242 related entries in the PubMed database.
Synthesized by Vinony from 29 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Chemical data
- Formula
- NO2
- Molecular weight
- 46.006 g/mol
- SMILES
- N(=O)[O]
- InChIKey
- JCXJVPUVTGWSNB-UHFFFAOYSA-N
- XLogP
- -0.3
- Polar surface area
- 30.4 Ų
- H-bond donors
- 0
- H-bond acceptors
- 2
- Formal charge
- 0
via PubChem
Research
26,242 papers- Indoor nitrogen dioxide and childhood respiratory illness.ReviewAustralian journal of public health · 1992Pilotto LS, Douglas RMDOI: 10.1111/j.1753-6405.1992.tb00062.x
- Nitrogen dioxide is a positive regulator of plant growth.ReviewPlant signaling & behavior · 2014Takahashi M, Morikawa HDOI: 10.4161/psb.28033
- The pathobiochemistry of nitrogen dioxide.ReviewBiological chemistry · 2002Kirsch M, Korth HG, Sustmann R et al.DOI: 10.1515/BC.2002.043
- NITROGEN DIOXIDE POISONING.Archives of environmental health · 1963KOOIKER RH, SCHUMAN LM, CHAN YKDOI: 10.1080/00039896.1963.10663491
- Toxicity of nitrogen dioxide: an introduction.ReviewToxicology · 1994Elsayed NMDOI: 10.1016/0300-483x(94)90096-5
- Air pollution--effects of nitrogen dioxide.ReviewReviews on environmental health · 1989Tewari A, Shukla NPDOI: 10.1515/reveh-1989-1-408
- [Air pollution with nitrogen dioxide and its impact on health].Revista medica de Chile · 2021Matus Correa P, Díaz Aranda M, GonzálezRiquelme FDOI: 10.4067/s0034-98872021001001391
- Nitrogen dioxide-induced emphysema in rabbits.The American review of respiratory disease · 1967Haydon GB, Davidson JT, Lillington GA et al.DOI: 10.1164/arrd.1967.95.5.797
via PubMed
Wikidata facts
- Subclass of
- nitrogen oxide
- Has part
- oxygen
- Mass
- 45.993
- Image
- Diossido di azoto.jpg
Show 18 more facts
- chemical formula
- NO₂
- standard enthalpy of formation
- 33.1
- NIOSH Pocket Guide ID
- 0454
- Commons category
- Nitrogen dioxide
- density
- 1.44
- immediately dangerous to life or health
- 37.6
- melting point
- 15
- boiling point
- 70
- vapor pressure
- 720
- ionization energy
- 9.75
- ceiling exposure limit
- 9
- short-term exposure limit
- 1.8
- described by source
- Brockhaus and Efron Encyclopedic Dictionary
- canonical SMILES
- N(=O)[O]
- standard molar entropy
- 240.1
- different from
- nitrous oxide
- on focus list of Wikimedia project
- WikiProject COVID-19
- electric dipole moment
- 0.316
Sources (7)
via Wikidata · CC0
~13 min read
Encyclopedic overview
Nitrogen dioxide at various temperaturesNitrogen dioxide gas being released from the reaction of copper and nitric acid
Names
Excerpted from Wikipedia’s “nitrogen dioxide” article, available under the CC BY-SA 4.0 licence.