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CAS 103-52-6

CAS 103-52-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 103-52-6
CAS 103-52-6PubChem CID 7658

Phenethyl butyrate

Phenethyl butyrate is the butanoate ester of 2-phenylethanol. It has a role as a metabolite. It is functionally related to a 2-phenylethanol. ChEBI

IUPAC name
2-phenylethyl butanoate
Molecular formula
C12H16O2
Molecular weight
192.25 g/mol
Exact mass
192.115029749 Da
XLogP3
3.1
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Phenylethyl butyrateButanoic acid, 2-phenylethyl ester2-Phenethyl butanoateBenzylcarbinyl butyrate2-Phenylethyl butyratePhenethyl butanoateBUTYRIC ACID, PHENETHYL ESTERbeta-Phenethyl n-butanoate
16 more reported names
FEMA No. 2861.beta.-Phenylethyl butyrate02E08ZN98RNSC-1271NSC-406207Phenethyl butyrate (natural)butanoic acid 2-phenylethyl esterbeta-Phenylethyl butyrateNSC 1271EINECS 203-119-8BRN 1955788UNII-02E08ZN98RAI3-02954phenylethyl butanoatebeta -phenylethyl butyratebeta -phenethyl N-butanoate
External database identifiers

Evidence from additional scientific databases

EMBL-EBI ChEBI
Exact identifier matchCHEBI:87413

phenethyl butyrate

The butanoate ester of 2-phenylethanol.

Formula
C12H16O2
Average mass
192.258 g/mol
Monoisotopic mass
192.11503 Da
Formal charge
0
  • butyrate ester — is a (CHEBI:50477)
  • metabolite — has role (CHEBI:25212)
  • 2-phenylethanol — has functional parent (CHEBI:49000)
  • metabolite — has role (CHEBI:25212)
  • butyrate ester — is a (CHEBI:50477)
Additional curated names
2-phenylethyl butanoatebutanoic acid 2-phenylethyl esterPhenethyl 2-methylpropanoate
Cross-references from this source
  • CAS: 103-52-6 — ChemIDplus
  • CAS: 103-52-6 — NIST Chemistry WebBook
  • REGISTRY_NUMBER: 1955788 — Reaxys
  • MANUAL_X_REF: HMDB0035014 — HMDB

Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2015-08-28. Retrieved: 2026-08-31. Open source record

NIH PubChem PUG-View
Exact identifier match7658

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 100% (1538 of 1538) of all reports. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 1538 of 1538 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1538 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 1538 of 1538 reports by companies.; There are 0 notifications provided by 0 of 1538 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBIExact match2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 103-52-6

0 total
No records found for this CAS number.

How CAS 103-52-6 is used on this site

CAS 103-52-6 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 103-52-6 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.