{{Chembox | ImageFile = Hydrocinnamaldehyde.png | ImageSize = | ImageAlt = | PIN = 3-Phenylpropanal | OtherNames = 3-Phenylpropional; 3-Phenylpropionaldehyde; β-Phenylpropionaldehyde | Section1 = {{Chembox Identifiers | CASNo = 104-53-0 | ChEBI = 39940 | ChEMBL = 440161 | EINECS = 203-211-8 | PubChem = 7707 | ChemSpiderID = 7421 | UNII = LP1E86N30T | StdInChI=1S/C9H10O/c10-8-4-7-9-5-2-1-3-6-9/h1-3,5-6,8H,4,7H2 | StdInChIKey = YGCZTXZTJXYWCO-UHFFFAOYSA-N | SMILES = C1=CC=C(C=C1)CCC=O }} | Section2 = {{Chembox Properties | C=9|H=10|O=1 | MolarMass = | Appearance = colorless liquid | Density = 1.018 g/cm<sup>3</sup> | MeltingPtC = -42 | BoilingPtC = 224 | Solubility = }} | Section3 = {{Chembox Hazards | GHSPictograms = {{GHS07}} | GHSSignalWord = Warning | HPhrases = {{H-phrases|315|319}} | PPhrases = {{P-phrases|264|280|302+352|305+351+338|321|332+313|337+313|362}} | MainHazards = | FlashPt = | AutoignitionPt = }} }} '''Hydrocinnamaldehyde''' is the organic compound with the formula C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>CH<sub>2</sub>CHO. It is produced by the hydrogenation of cinnamaldehyde. The compound is used in many mechanistic studies.<ref>{{cite journal |doi=10.1126/science.1120560|title=Solvent-Free Oxidation of Primary Alcohols to Aldehydes Using Au-Pd/TiO2 Catalysts|year=2006|last1=Enache|first1=Dan I.|last2=Edwards|first2=Jennifer K.|last3=Landon|first3=Philip|last4=Solsona-Espriu|first4=Benjamin|last5=Carley|first5=Albert F.|last6=Herzing|first6=Andrew A.|last7=Watanabe|first7=Masashi|last8=Kiely|first8=Christopher J.|last9=Knight|first9=David W.|last10=Hutchings|first10=Graham J.|journal=Science|volume=311|issue=5759|pages=362–365|pmid=16424335|bibcode=2006Sci...311..362E|s2cid=92890}}</ref> It is a common substrate in organic synthesis.<ref>{{cite journal|first1= Hiroaki|last1=Sasai|first2=Shizue|last2=Watanabe|first3=Takeyuki|last3=Suzuki|first4=Masakatsu|last4=Shibasaki |doi=10.15227/orgsyn.078.0014|title=Catalytic Asymmetric Synthesis of Nitroaldols Using a Lanthanum-Lithium-Binol Complex: (2S,3S)-2-Nitro-5-Phenyl-1,3-Pentanediol|journal=Organic Syntheses|year=2002|volume=78|page=14}}</ref><ref>{{cite journal |doi=10.15227/orgsyn.092.0038|title=Enantioselective Reductive Syn-Aldol Reactions of 4-Acryloylmorpholine: Preparation of (2R, 3S)-3-Hydroxy-2-methyl-1-morpholino-5-phenylpentan-1-one|year=2015|last1=Abbott|first1=Jason|first2=Christophe|last2=Allais|first3=William R.|last3=Roush| journal=Organic Syntheses|volume=92|pages=38–57}}</ref>
It is used in flavours and fragrances for its "fresh, cortex, green, leafy, foliage, balsamic, storax, aldehydic, floral, melon" aroma.<ref>{{cite web |title=3-phenyl propionaldehyde|url=https://scentsandflavors.com/database/9dbb500a-8d77-4494-8b2e-ef6deead4194|website=Scents and Flavors |publisher=Scents and Flavors |access-date=3 April 2026}}</ref>
==References== <references />
Category:Phenylpropanoids