NOAEL Data Cosmetic Ingredient

1,2-Propanediol monobutyl ether

Also known as: Butoxypropanol, Propanol, 1(or 2)​-​butoxy-, Propylene glycol monobutyl ether, Propylene glycol n-butyl ether, DBG (+10 more)

CAS 29387-86-8

1,2-Propanediol monobutyl ether (CAS 29387-86-8) 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 Isobutoxypropanol →

SOURCE noael studies public
NOAEL studies
100
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 18 fields
Name
1,2-Propanediol monobutyl ether
CAS Number
29387-86-8
DTXSID
DTXSID6029755
Synonyms
ButoxypropanolPropanol, 1(or 2)​-​butoxy-Propylene glycol monobutyl etherPropylene glycol n-butyl etherDBGBFDG1(or 2)-Butoxypropanol1,2-Propanediol, monobutyl etherbutoxipropanolbutossipropanolobutoksipropanoli1-Butoxy-2-hydroxypropane

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 17 records
SolventCleaning agentDrierAbrasiveSolubility enhancerChemical reaction regulator

Regulatory Lists

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

SOURCE EPA CPDat 2 records
ListKeywordSource
Cleaning products and household care; EuropeDanish EPADanish EPA
inert_ingredient; non_food_use; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 50 of 100 studies
ValueUnitEndpointRouteSpeciesSource
1.76mg/kg bw/day-dermalrabbitUnifiedCodex:CIR:beta.noael_studies
10mg/kg bw/day-dermalrabbitUnifiedCodex:CIR:beta.noael_studies
>3785mg/m3--ratUnifiedCodex:CIR:beta.noael_studies
6X8776AP5ZUNIIFDA UNII substance identifier--openFDA substances
6X8776AP5ZUNIIFDA UNII substance identifier--openFDA substances
6X8776AP5ZUNIIFDA UNII substance identifier--openFDA substances
6X8776AP5ZUNIIFDA UNII substance identifier--openFDA substances
-unitlessModel Score--NTP_ICE_endocrine
=-mg/ m3NOAELoralratCIR_vision_codex
=-mg/ m3NOAELoralratCIR_vision_codex
=-mg/ m3NOAELoralratCIR_vision_codex
=-mg/ m3NOAELoralratCIR_vision_codex
=0.047g/kg/dNOAELoralratCIR_vision_codex
=0.047g/kg/dNOAELoralratCIR_vision_codex
=0.047g/kg/dNOAELoralratCIR_vision_codex
=0.047g/kg/dNOAELoralratCIR_vision_codex
=0.5g/kg/dNOAELoralratCIR_vision_codex
=0.5g/kg/dNOAELoralratCIR_vision_codex
=0.5g/kg/dNOAELoralratCIR_vision_codex
=0.5g/kg/dNOAELoralratCIR_vision_codex
=1.76mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=1.76mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=1.76mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=1.76mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=10mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=10mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=10mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=10mg/kg bw/dayNOAELdermalrabbitCIR_vision_codex
=91mg/kg/dayNOAELoralratCIR_vision_codex
=91mg/kg/dayNOAELoralratCIR_vision_codex
=91mg/kg/dayNOAELoralratCIR_vision_codex
=91mg/kg/dayNOAELoralratCIR_vision_codex
=100mg/kg bw/dayNOAELoralratCIR_vision_codex
>100mg/ kg bw/dayNOAEL-ratCIR_vision_codex
=100mg/kg bw/dNOAELoralratCIR_vision_codex
=100mg/kg bw/dayNOAELoralratCIR_vision_codex
>100mg/ kg bw/dayNOAEL-ratCIR_vision_codex
=100mg/kg bw/dNOAELoralratCIR_vision_codex
=100mg/kg bw/dayNOAELoralratCIR_vision_codex
>100mg/ kg bw/dayNOAEL-ratCIR_vision_codex
=100mg/kg bw/dNOAELoralratCIR_vision_codex
=100mg/kg bw/dayNOAELoralratCIR_vision_codex
>100mg/ kg bw/dayNOAEL-ratCIR_vision_codex
=100mg/kg bw/dNOAELoralratCIR_vision_codex
=200mg/m3NOAELinhalationratCIR_vision_codex
=200mg/m3NOAELinhalationratCIR_vision_codex
=200mg/m3NOAELinhalationratCIR_vision_codex
=200mg/m3NOAELinhalationratCIR_vision_codex
=320mg/m3NOAELinhalationratCIR_vision_codex
=320mg/m3NOAELinhalationratCIR_vision_codex

Showing 50 of 100 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
prohibited
Max
-
Category
Solvent
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for 1,2-Propanediol monobutyl ether?

1,2-Propanediol monobutyl ether has 100 NOAEL studies in the database. The lowest reported value is 0 mg/ m3 via oral in rat. Source: UnifiedCodex:CIR:beta.noael_studies.

What regulatory lists include 1,2-Propanediol monobutyl ether?

1,2-Propanediol monobutyl ether appears on 2 regulatory/inventory lists including Cleaning products and household care; Europe, inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.

Is 1,2-Propanediol monobutyl ether used in cosmetics?

Yes, 1,2-Propanediol monobutyl ether is also indexed as a cosmetic ingredient under the name Isobutoxypropanol. 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 1,2-Propanediol monobutyl ether come from?

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

Is 1,2-Propanediol monobutyl ether used outside industrial chemicals?

1,2-Propanediol monobutyl ether also appears in cosmetics databases.