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Dimethyltolylamine

CAS 129899-34-9 · 100/100 · High conf.

Also registered as 1 other CAS number

99-97-8

Dimethyltolylamine chemical structure

Concern score

100/100Critical concern based on regulatory listings.
High confidence

Dimethyltolylamine in plain language

What it is

Also known as N,n-dimethyl-p-toluidine · Dimethyl-p-toluidine · N,N,4-Trimethylaniline · DIMETHYL-4-TOLUIDINE · N-dimethylaniline p-methyl-n · P-toluidine, n,n-dimethyl-

Show all 21 names

1-(Dimethylamino)-4-methylbenzene · 4,N,N-Trimethylaniline · 4-Dimethylaminotoluene · Benzenamine, N,N,4-trimethyl- · Dimetil-p-toluidina · N,N,4-Trimethylbenzenamine · N,N-Dimethyl-1,4-toluidine · N,N-Dimethyl-4-methylaniline · N,N-Dimethyl-p-methylphenylamine · N,N-Dimethyl-p-tolylamine · dimethyl-p-toluidine (eye and skin irritant) · dimethyl-para-toluidine · p,N,N-Trimethylaniline · p-(Dimethylamino)toluene · trialkylamine

What it does

Used in cosmetics as a nail sculpting agent.

  • Nail sculpting
  • Conditioner
Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

N,N-dimethyl-p-toluidine is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Industrial
  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActive2 entries
    • Dimethyltolylamine is the organic compound that conforms to the formula Restriction: II / 1745Source →
    • Cosmetics Regulation annex II / ref 1745.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 125 composition records across product categories including Industrial products, Medical/dental, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Catalyst, Hardener.
    • EPA CPDat observed this chemical in 125 composition records across product categories including Industrial products, Medical/dental, Construction. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Catalyst, Hardener.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Dimethyltolylamine. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Dimethyltolylamine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2025-07-21

    Open →
  • EPA Chemical and Products Database

    exposure · updated december 5, 2017

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Dimethyltolylamine in a product composition. These are source records, not Greenveil catalog products.

Source records

125

Named organisations

6

Industrial productsMedical/dentalConstructionHome maintenanceFurniture and furnishingsCleaning and safety

Typical roles

Nail sculptingConditioner
See products using Dimethyltolylamine →