NOAEL Data REACH Registered Cosmetic Ingredient

3-Methylbutyl propanoate

Also known as: Isoamyl propionate, BRN 1747359, EINECS 203-322-1, FEMA No. 2082, Isoamyl propanoate (+14 more)

CAS 105-68-0

3-Methylbutyl propanoate (CAS 105-68-0) is a chemical substance. Key regulatory status: REACH registered, 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Isoamyl Propionate →

SOURCE noael studies public
NOAEL studies
23
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 25 fields
Name
3-Methylbutyl propanoate
CAS Number
105-68-0
DTXSID
DTXSID5047613
Molecular Formula
C8H16O2
InChI Key
XAOGXQMKWQFZEM-UHFFFAOYSA-N
Monoisotopic Mass
144.11503
Synonyms
Isoamyl propionateBRN 1747359EINECS 203-322-1FEMA No. 2082Isoamyl propanoateNSC 7932UNII-2A8739M82Z1-Butanol, 3-methyl-, 1-propanoate1-Butanol, 3-methyl-, propanoate3-Methyl-1-butyl propanoate3-methylbutyl propionateDioleyl maleate

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 6 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
IFRA TransparencyIFRAIFRA
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 23 of 23 studies
ValueUnitEndpointRouteSpeciesSource
2A8739M82ZUNIIFDA UNII substance identifier--openFDA substances
2A8739M82ZUNIIFDA UNII substance identifier--openFDA substances
2A8739M82ZUNIIFDA UNII substance identifier--openFDA substances
2A8739M82ZUNIIFDA UNII substance identifier--openFDA substances
-%Incidence of positive responsesDermalHumanNTP_ICE_skin_sensitization
2700ug/cm2Induction dose per skin areaDermalHumanNTP_ICE_skin_sensitization
=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
3unitlessRelative reliability scoreDermalHumanNTP_ICE_skin_sensitization

Showing 23 of 23 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredIsopentyl propionate203-322-1ECHA overview →

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 →

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 3-Methylbutyl propanoate?

3-Methylbutyl propanoate has 23 NOAEL studies in the database. The lowest reported value is 2A8739M82Z UNII. Source: openFDA substances.

What regulatory lists include 3-Methylbutyl propanoate?

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

Is 3-Methylbutyl propanoate used in cosmetics?

Yes, 3-Methylbutyl propanoate is also indexed as a cosmetic ingredient under the name Isoamyl Propionate. 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 3-Methylbutyl propanoate come from?

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

Is 3-Methylbutyl propanoate used outside industrial chemicals?

3-Methylbutyl propanoate also appears in cosmetics, food safety, cannabis databases.