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2-phenylethyl alcohol (phenylethyl alcohol, PEA)

Phenylethyl alcohol, C8H10O (PubChem’s 2-phenylethanol), is the largest constituent of the rose absolutes that have been profiled, and one of the odorants of rose oil.

Its identity is PubChem’s, CID 6054. No share is given: the one figure in the sources is a single sample’s. Its odour threshold in water is 140 micrograms per kilogram, as measured by a food-chemistry institute’s panel.

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The record

Each field carries its evidence: open a chip for the source, the quoted words and the confidence. A field with nothing behind it says so and stays empty.

Name
2-phenylethyl alcohol (phenylethyl alcohol, PEA)
documented

Exploring rose absolute and phenylethyl alcohol

GC-1 · Çevikbaş H, Ulusoy S, Kaya Kinaytürk N · read 2026-09-27

confidence A

CAS
60-12-8
documented

60-12-8

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

among the CID’s PubChem synonyms, and PubChem resolves it back to this CID

confidence A

PubChem CID
6054
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

confidence A

Formula
C8H10O
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

confidence A

Molecular weight
122.16
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

g/mol, as PubChem states it

confidence A

IUPAC name
2-phenylethanol
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

confidence A

SMILES
C1=CC=C(C=C1)CCO
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

confidence A

InChIKey
WRMNZCZEMHIOCP-UHFFFAOYSA-N
documented

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

confidence A

Odour threshold
140 µg/kg in water (orthonasal odour detection threshold in water, determined by the method of Czerny et al. 2008, Eur Food Res Technol 228:265–273, as the database states)
measured

OT-1 · Kreissl J, Mall V, Steinhaus P, Steinhaus M · read 2026-09-30

the retronasal threshold in the same study is 390 µg/kg (OT-1); an older compiled value, 750–1100 ppb in water (OT-4), states no method

confidence A

Descriptors
floral, honey-like
documented

2-phenylethanol | CAS 60-12-8 | Odor quality: floral, honey-like

OT-1 · Kreissl J, Mall V, Steinhaus P, Steinhaus M · read 2026-09-30

confidence A

Volatility class
not on record
not on record

the simulator’s data has no entry

Regulation
not on record
not on record

no Regulation record yet

3D structure
PubChem computed 3D conformer · 19 atoms, 19 bonds
modeled

PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol) · read 2026-09-30

PubChem’s computed 3D conformer (the 3D SDF record): a model, drawn schematically, not an experimental structure

confidence A

Occurs in
In teaching accords

Sources

  1. PUBCHEM-6054 · PubChem Compound Summary for CID 6054, 2-Phenylethanol (2-phenylethanol). National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine; live database, read 2026-09-30 through the PUG REST endpoints (no account): https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/phenylethyl%20alcohol/cids/JSON · https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6054/property/MolecularFormula,MolecularWeight,IUPACName,Title,CanonicalSMILES,SMILES,InChIKey/JSON · https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6054/synonyms/JSON · https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6054/SDF?record_type=3d; the CAS checked back by https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/60-12-8/cids/JSON. pubchem.ncbi.nlm.nih.gov/compound/6054 · read 2026-09-30 · PubChem data are provided by NCBI (public-domain data; cite PubChem, the asset register molecules row); the computed conformer is PubChem-generated. The raw responses are filed as fetched (the house’s records).
  2. GC-1 · Çevikbaş H, Ulusoy S, Kaya Kinaytürk N. Exploring rose absolute and phenylethyl alcohol as novel quorum sensing inhibitors in Pseudomonas aeruginosa and Chromobacterium violaceum. Scientific Reports 2024;14:15666. DOI 10.1038/s41598-024-66888-z. PMID 38977845. PMCID PMC11231148. doi.org/10.1038/s41598-024-66888-z · read 2026-09-27 · CC BY (Europe PMC)
  3. GC-2 · Ulusoy S, Boşgelmez-Tınaz G, Seçilmiş-Canbay H. Tocopherol, carotene, phenolic contents and antibacterial properties of rose essential oil, hydrosol and absolute. Current Microbiology 2009;59(5):554–558. DOI 10.1007/s00284-009-9475-y. PMID 19688375. doi.org/10.1007/s00284-009-9475-y · read 2026-09-27
  4. S4 · Xiao Z, Li J, Niu Y, Liu Q, Liu J. Verification of key odorants in rose oil by gas chromatography-olfactometry/aroma extract dilution analysis, odour activity value and aroma recombination. Natural Product Research 2017;31(19):2294–2302. DOI 10.1080/14786419.2017.1303693. PMID 28347181. doi.org/10.1080/14786419.2017.1303693 · read 2026-09-27
  5. S11 · Zhao CY, Xue J, Cai XD, Guo J, Li B, Wu S. Assessment of the key aroma compounds in rose-based products. Journal of Food and Drug Analysis 2016;24:471–476. DOI 10.1016/j.jfda.2016.02.013. PMID 28911551. PMCID PMC9336667. doi.org/10.1016/j.jfda.2016.02.013 · read 2026-09-27 · CC BY-NC-ND (Europe PMC)
  6. OT-1 · Kreissl J, Mall V, Steinhaus P, Steinhaus M. Leibniz-LSB@TUM Odorant Database, Version 1.2. Leibniz Institute for Food Systems Biology at the Technical University of Munich: Freising, Germany, 2022. www.leibniz-lsb.de/en/databases/leibniz-lsbtum-o… · read 2026-09-30 · free of charge; scientific use encouraged with full acknowledgement; systematic download or reproduction needs written permission (its copyright page, read 2026-09-30): single values are cited with their references, the responses are not filed

These records are published under CC BY 4.0.

this record as data: /data/molecule/phenylethyl-alcohol.json · version 4 · updated 2026-09-30 · confidence B