Moderate Cosmetic Ingredient GHS Classified

Diethylketone

INCI: DIETHYLKETONE

Diethylketone (CAS 96-22-0) is a cosmetic cosmetic ingredient functioning as Perfuming (fragrance). EU Regulation 1223/2009 status: permitted; GHS signal word DANGER. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.

View industrial chemical safety profile for CAS 96-22-0 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming (fragrance)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C5H10O
MW
86.13 g/mol
EC Number
202-490-3
PubChem CID
7288
IUPAC Name
pentan-3-one
InChIKey
FDPIMTJIUBPUKL-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No specific prohibition; used in flavors and fragrances

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Diethylketone.

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

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

Signal Word
DANGER
Pictograms
FlamFlameExcl markWarn
Hazard Statements
Highly flammable liquid and vapour Causes serious eye irritation May cause drowsiness or dizziness May cause respiratory irritation
Short-term Exposure Effects
The substance is irritating to the eyes and respiratory tract.
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.

EU CLP Annex VI Harmonized Classification

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

Signal Word
Danger
Pictograms
FlammableHarmful / Irritant
Hazard Class and Category
Flam. Liq. 2; STOT SE 3; STOT SE 3
Hazard Statements
  • H225 Highly flammable liquid and vapour
  • H335 May cause respiratory irritation
  • H336 May cause drowsiness or dizziness

Inserted via ATP: CLP00

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 2700 - -

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)

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (2)
ICSC Safety Card
0874
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Skin Eye Respiratory Irritation
The substance irritates the eyes, the skin and the respiratory tract.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List

Expert Verdict

Expert safety assessment and concern-level summary for Diethylketone.

Regulatory Flags

fragrance-component ifra_fragrance

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

Europe IFRA Transparency

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
CHEMBL45315
View full pharmaceutical profile →

Frequently Asked Questions

Is Diethylketone safe in cosmetics?

Diethylketone has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Diethylketone allowed in the EU?

Diethylketone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Diethylketone do in cosmetics?

Diethylketone functions as: Perfuming (fragrance). It is classified as a cosmetic ingredient in our database. CAS number: 96-22-0.

Is Diethylketone classified as hazardous under GHS?

Diethylketone carries a GHS signal word of "DANGER". Hazard statements: Highly flammable liquid and vapour Causes serious eye irritation May cause drowsiness or dizziness May cause respiratory irritation. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.

Is Diethylketone used outside cosmetics?

Diethylketone also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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