Good Cosmetic Ingredient GHS Classified

4-METHYLPENTAN-2-OL

Also known as: M.I.B.C., 4-01-00-01717, BRN 1098268, 1,3-Dimethylbutanol, EINECS 203-551-7 (+10 more)

4-METHYLPENTAN-2-OL (CAS 108-11-2) is a cosmetic cosmetic ingredient functioning as Perfuming. NOAEL 30 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 108-11-2 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
203-551-7

Regulatory Status

EU EU Status permitted
US US Status Not specifically regulated

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The substance is irritating to the eyes, skin and respiratory tract. Exposure could cause lowering of consciousness.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking.
Routes of Exposure
The substance can be absorbed into the body by inhalation of its vapour and through the skin.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for 4-METHYLPENTAN-2-OL across SCCS product categories, with measured dermal absorption where available.

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Warning
Pictograms
FlammableHarmful / Irritant
Hazard Class and Category
Flam. Liq. 3; STOT SE 3
Hazard Statements
  • H226 Flammable liquid and vapour
  • H335 May cause respiratory irritation
Specific Concentration Limits / M-factors
STOT SE 3; H335: C ≥ 25.0%

Inserted via ATP: CLP00

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Chemical reaction regulator Flavouring and nutrient Fragrance Solvent
Regulatory List Membership (2)
IFRA Fragrance Transparency List Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for 4-METHYLPENTAN-2-OL.

Regulatory Flags

cosing-sourced eu-permitted fragrance needs-enrichment ifra_fragrance

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to 4-METHYLPENTAN-2-OL by CAS number or substance name.

Studies
9
Lowest NOAEL
30 mg/kg bw/day
Highest NOAEL
300 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

M.I.B.C. 4-01-00-01717 BRN 1098268 1,3-Dimethylbutanol EINECS 203-551-7 Methylisobutyl carbinol 4-Methylpentanol-2 4-Pentanol, 2-methyl- (+-)-4-Methyl-2-pentanol 4-Metilpentan-2-olo Alcohol methyl amylique Alcool methyl amylique Methyl-isobutylkarbinol Metilamil alcohol UNII-8U34XJK0R0

Chemical Function

Fragrance Flavouring and nutrient Solvent Chemical reaction regulator

Regulatory Lists

air; detected; emissions; Europe; Other direct contact consumer goods IFRA Transparency consumer_product Europe

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL448896
View full pharmaceutical profile →

Frequently Asked Questions

Is 4-METHYLPENTAN-2-OL safe in cosmetics?

4-METHYLPENTAN-2-OL has a safety rating of "GOOD" in our database. EU status: permitted.

Is 4-METHYLPENTAN-2-OL allowed in the EU?

4-METHYLPENTAN-2-OL EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 4-METHYLPENTAN-2-OL do in cosmetics?

4-METHYLPENTAN-2-OL functions as: Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 108-11-2.

Is 4-METHYLPENTAN-2-OL used outside cosmetics?

4-METHYLPENTAN-2-OL also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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