a
acetaldehyde
Chemical compound
Also known as acetic aldehyde · ethanal · ethyl aldehyde · NSC 7594 · aldehyde
- Formula
- C₂H₄O
1
- C₂H₄O
- Mass
- 44.026 Da
1
- 44.026 Da
- Melting point
- -190°F
- , -123°C
2
Sources- 1.Stated in International Chemical Safety Card“ACETALDEHYDE”Retrieved 2019-06-12
- 2.Stated in Basic Laboratory and Industrial Chemicals: A CRC Quick Reference Handbook
- , -128°C
1
- Boiling point
- 69°F
- , 20.2°C
1
Sources- 1.Stated in International Chemical Safety Card“ACETALDEHYDE”Retrieved 2019-06-12
- , 20.1°C
- Density
- 0.79 g/cm³
Overview
Chemistry
All data
236 statements · 72% with external sources · numbers in brackets are citations
- Immediately dangerous to life or health
- 2,000 parts per million
- 3,600 milligram per cubic metre
- Vapor pressure
- 740 millimetre of mercury temperature: 20°C
- Upper flammable limit
- 60 volume percent
- Lower flammable limit
- 4 volume percent
- Ionization energy
- 10.22 eV
- 10.23 eV
- Time-weighted average exposure limit
- 360 milligram per cubic metre applies to jurisdiction: United States · runtime: 8 h
- 200 parts per million applies to jurisdiction: United States, Philippines · runtime: 8 h
- 100 parts per million applies to jurisdiction: Egypt, France
- 20 parts per million applies to jurisdiction: Australia, New Zealand
- 50 parts per million applies to jurisdiction: Australia, Japan
- 25 parts per million applies to jurisdiction: Belgium, Denmark
- 91 milligram per cubic metre applies to jurisdiction: Germany
- 150 parts per million applies to jurisdiction: India, South Korea
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- 180 milligram per cubic metre applies to jurisdiction: Netherlands
- 5 milligram per cubic metre applies to jurisdiction: Poland, Russia
- Ceiling exposure limit
- 0 milligram per cubic metre applies to jurisdiction: none
- Median lethal dose (LD50)
- 13,000 parts per million runtime: 4 h · applies to taxon: laboratory rat
- 17,000 parts per million runtime: 4 h · route of administration: inhalation · applies to taxon: Hamster
- 20,000 parts per million runtime: 4 h · route of administration: inhalation · applies to taxon: laboratory rat
- 20,536 parts per million runtime: 4 h · route of administration: inhalation · applies to taxon: laboratory rat
- 20,100 milligram per cubic metre route of administration: inhalation · applies to taxon: mammal
- 23 gram per cubic metre runtime: 4 h · route of administration: inhalation · applies to taxon: laboratory mouse
- 20,300 milligram per cubic metre runtime: 2 h · route of administration: inhalation · applies to taxon: laboratory mouse
- 13,300 parts per million runtime: 4 h · route of administration: inhalation · applies to taxon: laboratory rat
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- 25,000 milligram per cubic metre route of administration: inhalation · applies to taxon: laboratory rat
- 500 milligram per kilogram route of administration: intraperitoneal injection · applies to taxon: laboratory mouse
- 567 milligram per kilogram route of administration: intraperitoneal injection · applies to taxon: laboratory mouse
- 96 milligram per kilogram route of administration: intratracheal administration · applies to taxon: Hamster
- 900 milligram per kilogram route of administration: oral administration · applies to taxon: laboratory mouse
- 661 milligram per kilogram route of administration: oral administration · applies to taxon: laboratory rat
- 1,930 milligram per kilogram route of administration: oral administration · applies to taxon: laboratory rat
- 560 milligram per kilogram route of administration: subcutaneous injection · applies to taxon: laboratory mouse
- 640 milligram per kilogram route of administration: subcutaneous injection · applies to taxon: laboratory rat
- 3,540 milligram per kilogram route of administration: skin absorption · applies to taxon: rabbit
- Minimal lethal dose
- 20,000 milligram per cubic metre runtime: 1 h · route of administration: inhalation · applies to taxon: cat
- 134 parts per million runtime: 30 min · route of administration: inhalation · applies to taxon: human
- 10,000 milligram per cubic metre route of administration: inhalation · applies to taxon: mammal
- 5,000 parts per million runtime: 4 h · route of administration: inhalation · applies to taxon: laboratory mouse
- 5,000 parts per million runtime: 3 h · route of administration: inhalation · applies to taxon: laboratory mouse
- 560 milligram per kilogram route of administration: intraperitoneal injection · applies to taxon: laboratory mouse, laboratory rat
- 500 milligram per kilogram route of administration: intraperitoneal injection · applies to taxon: laboratory rat
- 800 milligram per kilogram route of administration: intravenous injection · applies to taxon: frog
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- 300 milligram per kilogram route of administration: intravenous injection · applies to taxon: rabbit
- 1,200 milligram per kilogram route of administration: subcutaneous injection · applies to taxon: rabbit
- Canonical SMILES
- CC=O
1
- CC=O
- Found in taxon
- Homo sapiens
- Gyromitra esculenta
- Zingiber mioga
1
- ginger
1
- Coffea arabica
- Malus pumila
- Malus domestica
- Camellia sinensis
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- Theobroma cacao
- Opuntia ficus-indica
- Averrhoa carambola
- Psidium guajava
1
- Olea europaea
- Allium ampeloprasum
1
- Aster scaber
- Allium sativum
1
- Polygala senega
- Vaccinium ashei
- striped skunk
- Tuber melanosporum
- Cucumis melo
- Vitis rotundifolia
- Mangifera indica
3
Sources- 1.Stated in Volatile aroma constituents of mango (cv Kensington)
- 2.Stated in Volatile components from mango (Mangifera indica L.) cultivars
- 3.Stated in Characteristic Aroma Components of the Volatile Oil of Yellow Keaw Mango Fruits Determined by Limited Odor Unit Method.
- Nicotiana tabacum
1
- Brassica napus
- Staphylococcus aureus
- Basella alba
- Daucus carota
- Echinophora tenuifolia
- Monosis parishii
1
- Escherichia coli
- Zanthoxylum schinifolium
- onion
- Monarda punctata
- Feijoa sellowiana
- Corynocarpus laevigatus
- Clinopodium barbatum
- Cannabis sativa
- Garcinia dulcis
- Picea abies
- Parkia speciosa
1
- Vaccinium virgatum
- Vaccinium corymbosum
- Acca sellowiana
- Lucensosergia lucens
- Passiflora edulis
- Standard enthalpy of formation
- -166 kilojoule per mole
- Refractive index
- 1.3316
- Electric dipole moment
- 2.75 debye
- 2.75 debye
- PKa
- 13.57 temperature: 25°C
- Safety classification and labelling
- NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response nfpa health: 2 · nfpa fire: 4 · nfpa instability: 2
- Globally Harmonized System of Classification and Labelling of Chemicals (GHS) ghs hazard pictogram: GHS02: flame, GHS07: exclamation mark · ghs hazard statement: H224, H319 · ghs precautionary statement: P210, P280
1
Sources- 1.“Přehled běžných chemických látek používaných na základních a středních školách”
- Part of
- acetaldehyde metabolic process subject has role: participant
1
- acetaldehyde biosynthetic process subject has role: product
1
- acetaldehyde catabolic process subject has role: reactant
1
- response to acetaldehyde subject has role: reactant
1
- cellular response to acetaldehyde subject has role: reactant
1
- deoxyribose-phosphate aldolase activity
1
- threonine aldolase activity
1
- 4-hydroxy-2-oxovalerate aldolase activity
1
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- acetaldehyde dehydrogenase (acetylating) activity
1
- ethanolamine ammonia-lyase activity
1
- acetylene hydratase activity
1
- fluorothreonine transaldolase activity
1
- nitronate monooxygenase (FMN-linked) activity
1
- acetoin-ribose-5-phosphate transaldolase activity
1
- fucosterol-epoxide lyase activity
1
- lactate aldolase activity
1
- phosphonoacetaldehyde hydrolase activity
1
- ethanolamine-phosphate phospho-lyase activity
1
- 6-carboxy-5,6,7,8-tetrahydropterin synthase activity
1
- L-allo-threonine aldolase activity
1
- D-threonine aldolase activity
1
- glyceraldehyde-3-phosphate dehydrogenase (NAD+) (non-phosphorylating) activity
1
- cobalt-precorrin-5A acetaldehyde-lyase activity
1
- nitronate monooxygenase activity
1
- acetaldehyde metabolic process subject has role: participant
On other databases
76 identifiers linking acetaldehyde across the web's reference databases
- Article ID in the Lithuanian Universal Encyclopedia Onlineacetaldehidas
- Bibliothèque nationale de France ID12458381r
- BNCF Thesaurus ID30995
- CA PROP 65 IDacetaldehyde
- CAB ID4232
- CAMEO Chemicals ID2269
- Cannabis Database ID000045
- CAS Registry Number75-07-0
- ChEBI ID15343
- ChEMBL IDCHEMBL170365
- ChemSpider ID172
- CosIng number74144
- DSSTOX compound identifierDTXCID202
- DSSTox substance IDDTXSID5039224
- EC number200-836-8
- ECHA Substance Infocard ID100.000.761
- Encyclopædia Britannica Online IDscience/acetaldehyde
- Encyclopædia Universalis IDethanal-acetaldehyde-aldehyde-acetique
- Encyclopedia of China (Second Edition) ID242656
- Encyclopedia of China (Third Edition) ID (2026)4Dihiz
- Encyclopedia of China (Third Edition) old ID (2021)157088
- FL number05.001
- Freebase ID/m/0m8nj
- Gmelin number779
- GND ID4141233-3
- Gran Enciclopèdia Catalana IDacetaldehid
- Gran Enciclopèdia Catalana ID (former scheme)0074226
- Great Norwegian Encyclopedia IDacetaldehyd
- Great Russian Encyclopedia portal IDatsetal-degid-bbbf73
- Guide to Pharmacology Ligand ID6277
- HCIS ID34
- HSDB ID230
- Human Metabolome Database IDHMDB0000990
- ICSC ID0009
- IEDB Epitope ID145667
- InChIInChI=1S/C2H4O/c1-2-3/h2H,1H3
- InChIKeyIKHGUXGNUITLKF-UHFFFAOYSA-N
- J-GLOBAL ID200907040720559147
- J9U entity ID987007554075005171
- JECFA database ID1560
- JECFA number80
- KEGG IDC00084
- KNApSAcK IDC00007392
- Lex IDacetaldehyd
- Library of Congress Authorities IDsh95006357
- MeSH descriptor IDD000079
- MeSH tree codeD02.047.064
- Microsoft Academic ID (discontinued)2777595113
- NALT ID2306
- National Library of Spain SpMaBN IDXX543221
- Nikkaji IDJ2.388D
- NL CR AUT IDph118248
- NMRShiftDB structure ID10016744
- NSC number7594
- OmegaWiki Defined Meaning421561
- OpenAlex IDC2777595113
- OSHA Occupational Chemical Database ID570
- PDB ligand IDACE
- PesticideInfo chemical IDPRI772
- Probes And Drugs IDPD052119
- PubChem CID177
- Reaxys registry number505984
- RTECS numberAB1925000
- RxNorm CUI1311137
- SPLASHsplash10-002f-9000000000-65d53ef91644a0bacd6c
- SureChEMBL ID418633
- SwissLipids IDSLM:000390047
- UM-BBD compound IDc0160
- UMLS CUIC0000966
- UN number1089
- UniChem compound ID574487
- UNIIGO1N1ZPR3B
- WikiSkripta article ID23999
- Yale LUX IDconcept/69381f68-bcdd-43ce-ab1e-2139bce80fb8
- YSO ID22746
- ZVG number12760