tridecanal
{{Chembox
| ImageFile = Tridecanal V2.svg
| ImageSize =
| ImageAlt =
| IUPACName =
| OtherNames = Aldehyde 13-13
|Section1={{Chembox Identifiers
| CASNo = 10486-19-8
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo1 =
| CASNo1_Comment =
| PubChem =
| SMILES = }}
|Section2={{Chembox Properties
| C = 13|O=1|H=26
| MolarMass =
| RefractIndex =
| Appearance = colorless liquid
| Density = 0.825±0.06 g/cm3
| MeltingPtC = 14
| MeltingPt_notes =
| BoilingPtC = 126-138
| BoilingPt_notes = 15 Torr
| Solubility = }}
|Section3={{Chembox Hazards
| MainHazards =
| FlashPt =
| AutoignitionPt = }}
}}
Tridecanal is an organic compound with the formula {{chem2|CH3(CH2)11CHO}}. A colorless oily liquid, it is the aldehyde derivative of tridecane. It is produced by hydroformylation of 1-dodecene. Hydrogenation of tridecanal gives 1-tridecanol.
Occurrence and use
It is used as a fragrance and is well-tolerated.{{cite journal |doi=10.1016/j.fct.2024.115180 |title=RIFM fragrance ingredient safety assessment, tridecanal, CAS registry number 10486-19-8 |date=2025 |last1=Api |first1=A.M. |last2=Bartlett |first2=A. |last3=Belsito |first3=D. |last4=Botelho |first4=D. |last5=Bruze |first5=M. |last6=Bryant-Friedrich |first6=A. |last7=Burton |first7=G.A. |last8=Cancellieri |first8=M.A. |last9=Chon |first9=H. |last10=Dagli |first10=M.L. |last11=Dekant |first11=W. |last12=Deodhar |first12=C. |last13=Farrell |first13=K. |last14=Fryer |first14=A.D. |last15=Jones |first15=L. |last16=Joshi |first16=K. |last17=Lapczynski |first17=A. |last18=Lavelle |first18=M. |last19=Lee |first19=I. |last20=Moustakas |first20=H. |last21=Muldoon |first21=J. |last22=Penning |first22=T.M. |last23=Ritacco |first23=G. |last24=Sadekar |first24=N. |last25=Schember |first25=I. |last26=Schultz |first26=T.W. |last27=Siddiqi |first27=F. |last28=Sipes |first28=I.G. |last29=Sullivan |first29=G. |last30=Thakkar |first30=Y. |journal=Food and Chemical Toxicology |volume=197 |pmid=39653308 |display-authors=1 }} It is a trace component emitted from the combustion of diesel fuel and exposure of synthetic carpets to ozone.{{cite journal |doi=10.1021/es0113089 |title=Ozone Interactions with Carpet: Secondary Emissions of Aldehydes |date=2002 |last1=Morrison |first1=Glenn C. |last2=Nazaroff |first2=William W. |journal=Environmental Science & Technology |volume=36 |issue=10 |pages=2185–2192 |pmid=12038828 |bibcode=2002EnST...36.2185M }}{{cite journal |doi=10.1021/es980081n |title=Measurement of Emissions from Air Pollution Sources. 2. C1 through C30 Organic Compounds from Medium Duty Diesel Trucks |date=1999 |last1=Schauer |first1=James J. |last2=Kleeman |first2=Michael J. |last3=Cass |first3=Glen R. |last4=Simoneit |first4=Bernd R. T. |journal=Environmental Science & Technology |volume=33 |issue=10 |pages=1578–1587 |bibcode=1999EnST...33.1578S }}