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InventoryRef 3532115/10/2010

METHYL PHENYLBUTANOL

2-Methyl-4-phenylbutan-2-ol; Dimethyl phenylethyl carbinol

METHYL PHENYLBUTANOL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 103-05-9
CAS 103-05-9PubChem CID 7632

2-Methyl-4-phenyl-2-butanol

2-methyl-4-phenyl-2-butanol is a tertiary alcohol that is benzene substituted by a 3-hydroxy-3-methylbutyl group. It has a role as a flavouring agent and a fragrance. It is a member of benzenes and a tertiary alcohol. — ChEBI

IUPAC name
2-methyl-4-phenylbutan-2-ol
Molecular formula
C11H16O
Molecular weight
164.24 g/mol
Exact mass
164.120115130 Da
XLogP3
2.1
Topological polar surface area
20.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

1,1-Dimethyl-3-phenylpropanol1,1-Dimethyl-3-phenyl-1-propanol2-(2-Phenylethyl)-2-propanolalpha,alpha-DimethylbenzenepropanolFEMA No. 36291-Propanol, 1,1-dimethyl-3-phenyl-Benzenepropanol, alpha,alpha-dimethyl-9Y5UX90TZ4
16 more reported names
NSC-62145RefChem:475594203-074-4Benzyl-tert-butanolDimethylphenylethylcarbinolBenzyl-t-butanolDimethylphenethylcarbinolDimethyl phenylethyl carbinolPhenylethyl dimethyl carbinol2-Phenethyl-2-propanolPhenethyl dimethyl carbinolDimethylphenylethyl carbinol1,1-Dimethyl-3-phenylpropyl alcohol2-methyl-4-phenyl-butan-2-ol2-BUTANOL, 2-METHYL-4-PHENYL-NSC 62145
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Evidence from additional scientific databases

EMBL-EBI ChEBI
Exact identifier matchCHEBI:195767

2-methyl-4-phenyl-2-butanol

A tertiary alcohol that is benzene substituted by a 3-hydroxy-3-methylbutyl group.

Formula
C11H16O
Average mass
164.248 g/mol
Monoisotopic mass
164.12012 Da
Formal charge
0
  • benzenes — is a (CHEBI:22712)
  • tertiary alcohol — is a (CHEBI:26878)
  • flavouring agent — has role (CHEBI:35617)
  • fragrance — has role (CHEBI:48318)
  • flavouring agent — has role (CHEBI:35617)
  • fragrance — has role (CHEBI:48318)
  • benzenes — is a (CHEBI:22712)
  • tertiary alcohol — is a (CHEBI:26878)
Additional curated names
2-methyl-4-phenylbutan-2-ol1,1-dimethyl-3-phenyl-1-propanol1,1-dimethyl-3-phenylpropanol1,1-dimethyl-3-phenylpropyl alcohol1-phenyl-3-methylbutan-3-ol2-(2-phenylethyl)-2-propanol2-hydroxy-2-methyl-4-phenylbutane2-phenethyl-2-propanol2-phenylethyldimethylcarbinol4-phenyl-2-hydroxy-2-methylbutane4-phenyl-2-methyl-2-butanolbenzyl-tert-butanoldimethylphenethylcarbinoldimethyl-beta-phenylethylcarbinolFEMA 3629Muguet carbinolphenylethyl dimethyl carbinolalpha,alpha-dimethylbenzenepropanolalpha,alpha-dimethyl-gamma-phenylpropyl alcohol
Cross-references from this source
  • CAS: 103-05-9 — NIST Chemistry WebBook
  • REGISTRY_NUMBER: 2076770 — Reaxys
  • MANUAL_X_REF: 7350 — ChemSpider
  • MANUAL_X_REF: FDB008550 — FooDB
  • MANUAL_X_REF: HMDB0031866 — HMDB

Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2024-01-22. Retrieved: 2026-08-31. Open source record

NIH PubChem PUG-View
Exact identifier match7632

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

  • Note: This chemical does not meet GHS hazard criteria for 17.3% (311 of 1797) of reports. Source: European Chemicals Agency (ECHA)
  • Signal: Warning Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H319 (79.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H412 (79.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P264+P265, P273, P280, P305+P351+P338, P337+P317, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1797 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 311 of 1797 reports by companies.; There are 6 notifications provided by 1486 of 1797 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.

Inventory details for METHYL PHENYLBUTANOL

INCI name

METHYL PHENYLBUTANOL

Description

2-Methyl-4-phenylbutan-2-ol; Dimethyl phenylethyl carbinol

Record provenance

Inventory reference
35321
Imported identity
METHYL PHENYLBUTANOL
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
103-05-9
EC
203-074-4
Restriction
—
Function
FRAGRANCE
Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
PERFUMING
Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#16564 · METHYL PHENYLBUTANOL

Ingredients with overlapping formulation functions

METHYL IONONESFRAGRANCE
METHYL LACTIC ACIDFRAGRANCE
METHYL LINALOOLFRAGRANCE; PERFUMING
METHYL N-METHYLANTHRANILATEFRAGRANCE
METHYLBENZYL ACETATEFRAGRANCE, PERFUMING
METHYLBENZYL ALCOHOLFRAGRANCE, PERFUMING, SKIN CONDITIONING
METHYLCYCLOHEXENYL BUTANOLFRAGRANCE, PERFUMING
METHYLCYCLOPENTADECENONEFRAGRANCE

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How METHYL PHENYLBUTANOL appears in the CosIng inventory

The CosIng inventory lists METHYL PHENYLBUTANOL as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

METHYL PHENYLBUTANOL is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

METHYL PHENYLBUTANOL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, METHYL PHENYLBUTANOL carries the following function designation(s):

CAS 103-05-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.
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Source note for METHYL PHENYLBUTANOL

This page reproduces the CosIng inventory entry for METHYL PHENYLBUTANOL from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research METHYL PHENYLBUTANOL and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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