NOAEL Data Cosmetic Ingredient

Butanoic acid, 1-methylethyl ester

Also known as: Butyric acid, isopropyl ester, EINECS 211-320-7, FEMA No. 2935, Isopropyl butanoate, 1-Methylethyl butanoate (+9 more)

CAS 638-11-9

Butanoic acid, 1-methylethyl ester (CAS 638-11-9) is a chemical substance. Key regulatory status: 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Isopropyl Butyrate →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
3
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 20 fields
Name
Butanoic acid, 1-methylethyl ester
CAS Number
638-11-9
DTXSID
DTXSID5075288
Molecular Formula
C7H14O2
InChI Key
FFOPEPMHKILNIT-UHFFFAOYSA-N
Monoisotopic Mass
130.09938
Synonyms
Butyric acid, isopropyl esterEINECS 211-320-7FEMA No. 2935Isopropyl butanoate1-Methylethyl butanoateUNII-7P33GFV8SS2-Propyl butanoateButanoic acid, 2-methylethyl esterFEMA 2935Isopropyl N-butyrateIsopropyl butyrate [UN2405] [Flammable liquid]N-Butyric acid isopropyl ester

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 4 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 3 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
7P33GFV8SSUNIIFDA UNII substance identifier--openFDA substances
7P33GFV8SSUNIIFDA UNII substance identifier--openFDA substances
7P33GFV8SSUNIIFDA UNII substance identifier--openFDA substances
7P33GFV8SSUNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 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 →

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 →

Frequently Asked Questions

What is the NOAEL for Butanoic acid, 1-methylethyl ester?

Butanoic acid, 1-methylethyl ester has 4 NOAEL studies in the database. The lowest reported value is 7P33GFV8SS UNII. Source: openFDA substances.

What regulatory lists include Butanoic acid, 1-methylethyl ester?

Butanoic acid, 1-methylethyl ester appears on 3 regulatory/inventory lists including IFRA Transparency, Europe, food_additive; Substances Added to Food (formerly EAFUS) (2/2019). Source: EPA CPDat.

Is Butanoic acid, 1-methylethyl ester used in cosmetics?

Yes, Butanoic acid, 1-methylethyl ester is also indexed as a cosmetic ingredient under the name Isopropyl 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, 1-methylethyl ester come from?

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

Is Butanoic acid, 1-methylethyl ester used outside industrial chemicals?

Butanoic acid, 1-methylethyl ester also appears in cosmetics, food safety databases.