Diethyl Toluamide (DEET)

Also known as: N,N-Diethyl-m-toluamide, N,N-Diethyl-3-methylbenzamide, N,N-Diethyl-meta-toluamide, DEET (N,N-diethyl-meta-toluamide), BRN 2046711 (+8 more)

INCI: DIETHYL TOLUAMIDE

Diethyl Toluamide (DEET) (CAS 134-62-3) is a cosmetic cosmetic ingredient functioning as Insect repellent (biocidal function, not a cosmetic function). EU Regulation 1223/2009 status: prohibited. 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 134-62-3 →

Auto-generated CPSR Part A draft with source citations
Function
Insect repellent (biocidal function, not a cosmetic function)
Safety Rating
POOR

Chemistry & Identifiers

Formula
C12H17NO
MW
191.27 g/mol
PubChem CID
4284
IUPAC Name
N,N-diethyl-3-methylbenzamide
InChIKey
MMOXZBCLCQITDF-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Regulated by EPA as a pesticide (FIFRA), not by FDA as a cosmetic; inclusion in a cosmetic product would trigger EPA jurisdiction

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Diethyl Toluamide (DEET).

Calculate MoS for your specific formulation with the MoS Calculator.

EU CLP Annex VI Harmonized Classification

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

Signal Word
Warning
Pictograms
Harmful / Irritant
Hazard Class and Category
Acute Tox. 4; Skin Irrit. 2; Eye Irrit. 2
Hazard Statements
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
Specific Concentration Limits / M-factors
oral: ATE = 1892.0 mg/kg bw

Inserted via ATP: ATP14

Sensitization AOP Dashboard

Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.

DPRA Cys %
6.7%
DPRA Lys %
3.35%
KeratinoSens IC50
2957 µM
hCLAT CV75
492.3 µg/mL
LLNA EC3
60%
NESIL
15000 µg/cm²
LLNA: NC (non-sensitizer) GHS: not classified

Source: LLNA: Kern et al. (2010); DPRA: Hoffmann et al., 2018 | Urbisch et al. 2015 [DOI:10.1016/j.yrtph.2014.12.008]; KS: Urbisch et al. 2015 [DOI:10.1016/j.yrtph.2014.12.008] | No reference provided in NICEATM database; hCLAT: No reference provided in NICEATM database

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

Additional Jurisdictional Restrictions (4)
Jurisdiction Status Max % Product Type
CA banned - -
ASEAN banned - All cosmetic products prohibited
PH banned 0% All cosmetic products
VN banned 0% All cosmetic products

PubChem Annotations

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

Safety (3)
Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).
Source: Toxin and Toxin Target Database (T3DB)
Evidence for Carcinogenicity
Cancer Classification: Group D Not Classifiable as to Human Carcinogenicity
Source: Hazardous Substances Data Bank (HSDB)
Skin Eye Respiratory Irritation
An eye and skin irritant. | Direct contact may cause eye irritation. | DEET is very irritating to the eyes but not corrosive.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Biocide Humectant No specific technical function

Expert Verdict

Expert safety assessment and concern-level summary for Diethyl Toluamide (DEET).

Known Synonyms

N,N-Diethyl-m-toluamide N,N-Diethyl-3-methylbenzamide N,N-Diethyl-meta-toluamide DEET (N,N-diethyl-meta-toluamide) BRN 2046711 Caswell No. 346 EINECS 205-149-7 EPA Pesticide Chemical Code 080301 MGK diethyltoluamide Repper-DET Diethyltoluamidum Dietiltoluamida UNII-FB0C1XZV4Y

Chemical Function

Humectant No specific technical function Biocide

Regulatory Lists

Canada; consumer_product; Substances in Products - Canada (4/2014) detected; MN Chemical Screening; surface_water detected; MN Chemical Screening; surface_water detected; MN Chemical Screening; surface_water detected; drinking_water; MN Chemical Screening detected; MN Chemical Screening; wastewater detected; MN Chemical Screening; surface_water detected; ground_water; MN Chemical Screening detected; drinking_water; MN Chemical Screening detected; drinking_water; MN Chemical Screening active_ingredient; Europe; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides

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.

Compound
DIETHYLTOLUAMIDE
ChEMBL ID
CHEMBL1453317
Max Phase
3
Adverse Event Associations
72
View full pharmaceutical profile →

Frequently Asked Questions

Is Diethyl Toluamide (DEET) safe in cosmetics?

Diethyl Toluamide (DEET) has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.

Is Diethyl Toluamide (DEET) allowed in the EU?

Diethyl Toluamide (DEET) EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Diethyl Toluamide (DEET) do in cosmetics?

Diethyl Toluamide (DEET) functions as: Insect repellent (biocidal function, not a cosmetic function). It is classified as a cosmetic ingredient in our database. CAS number: 134-62-3.

Is Diethyl Toluamide (DEET) used outside cosmetics?

Diethyl Toluamide (DEET) 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.

Does Diethyl Toluamide (DEET) have different safety status in cosmetics vs industrial chemicals?

Diethyl Toluamide (DEET) is prohibited in EU cosmetics but has active industrial GHS classifications (H315, H320, H336, H302, H319, H402, H412).

Is Diethyl Toluamide (DEET) in Your Products?

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