NOAEL Data Cosmetic Ingredient

Butanoic acid, 2-methylbutyl ester

CAS 51115-64-1

Butanoic acid, 2-methylbutyl ester (CAS 51115-64-1) is a chemical substance. Key regulatory status: 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for 2-Methylbutyl Butyrate →

SOURCE noael studies public
NOAEL studies
16
SOURCE chemical inventory jurisdictions
Regulatory lists
2
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 6 fields
Name
Butanoic acid, 2-methylbutyl ester
CAS Number
51115-64-1
DTXSID
DTXSID80866181
Molecular Formula
C9H18O2
InChI Key
MBZKQDXXFMITAC-UHFFFAOYSA-N
Monoisotopic Mass
158.13068

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 2 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 16 of 16 studies
ValueUnitEndpointRouteSpeciesSource
=50mg/kg bw/dayNOAELoralRatToxValDB_EFSA
=50mg/kg bw/dayNOAELoral: gavageRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
=125mg/kg bw/dayNOAELoralRatToxValDB_EFSA
=125mg/kg bw/dayNOAELoral: gavageRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
>219mg/kg bw/dayNOAELoralRatToxValDB_EFSA
>219mg/kg bw/dayNOAELoral: unspecifiedRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
>300mg/kg bw/dayNOAELoralRatToxValDB_EFSA
>300mg/kg bw/dayNOAELoral: feedRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
=340mg/kg bw/dayNOAELoralRatToxValDB_EFSA
=340mg/kg bw/dayNOAELoral: drinking waterRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
>1000mg/kg bw/dayNOAELoralRatToxValDB_EFSA
>1000mg/kg bw/dayNOAELoral: gavageRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
>1450mg/kg bw/dayNOAELoralRatToxValDB_EFSA
>1450mg/kg bw/dayNOAELoral: drinking waterRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx
>2500mg/kg bw/dayNOAELoralRatToxValDB_EFSA
>2500mg/kg bw/dayNOAELoral: feedRatEFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx

Showing 16 of 16 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 →

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 Butanoic acid, 2-methylbutyl ester?

Butanoic acid, 2-methylbutyl ester has 16 NOAEL studies in the database. The lowest reported value is 50 mg/kg bw/day via oral in Rat. Source: ToxValDB_EFSA.

What regulatory lists include Butanoic acid, 2-methylbutyl ester?

Butanoic acid, 2-methylbutyl ester appears on 2 regulatory/inventory lists including IFRA Transparency, Europe. Source: EPA CPDat.

Is Butanoic acid, 2-methylbutyl ester used in cosmetics?

Yes, Butanoic acid, 2-methylbutyl ester is also indexed as a cosmetic ingredient under the name 2-Methylbutyl Butyrate. 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 Butanoic acid, 2-methylbutyl ester come from?

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

Is Butanoic acid, 2-methylbutyl ester used outside industrial chemicals?

Butanoic acid, 2-methylbutyl ester also appears in cosmetics, cannabis databases.