NOAEL Data Cosmetic Ingredient

2-Phenylethyl 2-methylbutanoate

Also known as: FEMA 3632, Butanoic acid, 2-methyl-, 2-phenylethyl ester, Benzylcarbinyl 2-methylbutyrate, BRN 2266397, Butyric acid, 2-methyl-, phenethyl ester (+6 more)

CAS 24817-51-4

2-Phenylethyl 2-methylbutanoate (CAS 24817-51-4) is a chemical substance. Key regulatory status: 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Phenethyl 2-Methylbutyrate →

SOURCE noael studies public
NOAEL studies
7
SOURCE chemical inventory jurisdictions
Regulatory lists
4
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 17 fields
Name
2-Phenylethyl 2-methylbutanoate
CAS Number
24817-51-4
DTXSID
DTXSID2047567
Molecular Formula
C13H18O2
InChI Key
KVKKTLBBYFABAZ-UHFFFAOYSA-N
Monoisotopic Mass
206.13068
Synonyms
FEMA 3632Butanoic acid, 2-methyl-, 2-phenylethyl esterBenzylcarbinyl 2-methylbutyrateBRN 2266397Butyric acid, 2-methyl-, phenethyl esterEINECS 246-476-5FEMA No. 3632beta-Phenethyl alpha-methylbutanoatebeta-Phenylethyl alpha-methylbutanoatePhenylethyl 2-methylbutyrateUNII-4D2I5SJ45Q

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 5 records
FragranceFlavouring and nutrient

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 4 records
ListKeywordSource
EuropeEuropean CommissionFl@vis
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
IFRA TransparencyIFRAIFRA
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 7 of 7 studies
ValueUnitEndpointRouteSpeciesSource
4D2I5SJ45QUNIIFDA UNII substance identifier--openFDA substances
4D2I5SJ45QUNIIFDA UNII substance identifier--openFDA substances
4D2I5SJ45QUNIIFDA UNII substance identifier--openFDA substances
4D2I5SJ45QUNIIFDA UNII substance identifier--openFDA substances
-%Incidence of positive responsesDermalHumanNTP_ICE_skin_sensitization
2700ug/cm2Induction dose per skin areaDermalHumanNTP_ICE_skin_sensitization
3unitlessRelative reliability scoreDermalHumanNTP_ICE_skin_sensitization

Showing 7 of 7 studies

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL CHEMBL3183389
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA / FDA GRAS 1 records

ADI: No safety concern at current levels of intake when used as a flavouring agent mg/kg bw

View full food safety profile →

Cannabis Data

Same-CAS cannabis compliance and lab records where available.

SOURCE Cannabis regulatory / lab data efsa substances

1 cannabis record found in efsa substances.

View full cannabis profile →

Frequently Asked Questions

What is the NOAEL for 2-Phenylethyl 2-methylbutanoate?

2-Phenylethyl 2-methylbutanoate has 7 NOAEL studies in the database. The lowest reported value is 4D2I5SJ45Q UNII. Source: openFDA substances.

What regulatory lists include 2-Phenylethyl 2-methylbutanoate?

2-Phenylethyl 2-methylbutanoate appears on 4 regulatory/inventory lists including Europe, food_additive; Substances Added to Food (formerly EAFUS) (2/2019), IFRA Transparency, and 1 more. Source: EPA CPDat.

Is 2-Phenylethyl 2-methylbutanoate used in cosmetics?

Yes, 2-Phenylethyl 2-methylbutanoate is also indexed as a cosmetic ingredient under the name Phenethyl 2-Methylbutyrate. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 2-Phenylethyl 2-methylbutanoate come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.

Is 2-Phenylethyl 2-methylbutanoate used outside industrial chemicals?

2-Phenylethyl 2-methylbutanoate also appears in cosmetics, pharmaceutical, food safety, cannabis databases.