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Musk xylene

CAS 81-15-2 · 70/100 · High conf.

Musk xylene chemical structure

Concern score

70/100High concern driven by cmr.
High confidence

Musk xylene in plain language

What it is

Also known as 5-tert-Butyl-2,4,6-trinitro-m-xylene · 1-tert-Butyl-3,5-dimethyl-2,4,6-trinitrobenzene · Moschus xylol · Musk xylol · Xylene musk · 1-(1,1-Dimethylethyl)-3,5-dimethyl-2,4,6-trinitrobenzene

Show all 15 names

1-tert-butyl-3,5-dimethyl-2,4,6-trinitro-benzene · 2,4,6-TRINITRO-3,5-DIMETHYL-1-TERT-BUTYLBENZENE · 2,4,6-Trinitro-1,3-dimethyl-5-tert-butylbenzene · 2,4,6-Trinitro-3,5-dimethyl-tert-butylbenzene · 2,4,6-Trinitro-5-tert-butyl-m-xylene · 5-TERT-BUTYL-2,4,6-TRINITROXYLENE · Benzene, 1-TERT-BUTYL-3,5-DIMETHYL-2,4,6-TRINITRO- · Benzene, 1-(1,1-dimethylethyl)-3,5-dimethyl-2,4,6-trinitro- · m-Xylene, 5-tert-butyl-2,4,6-trinitro-

What it does

Used in cosmetics as a fragrance ingredient.

  • Perfuming
  • Fragrance
  • Deodorant
Is it a concern?
High concern: classified for carcinogenic, mutagenic or reproductive toxicity (CMR). It is restricted in EU cosmetics.

Why it's flagged

  • Cmr

5-tert-Butyl-2,4,6-trinitro-m-xylene is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — restricted

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.

  • In marketed US drugs
  • EU Annex III — restricted
  • EU restricted in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEC

    Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: All cosmetic products, with the exception of oral products Note: 'Due to environmental concerns, musk xylene is included in the authorisation list (Annex IV) of REACH. Musk xylene cannot be placed on the market or used unless authorisation has been granted under REACH’ Maximum concentration: (a) 1.0% in fine fragrance (b) 0.4% in eau de toilette (c) 0.03% in other products CMR: Carcinogenic Cat. 2()

    restricted
    View source →
  • EUCosIngActive2 entries
    • Cosmetics Regulation annex III / ref 96.Source →
    • Restriction: III/96 Note: 'Due to environmental concerns, musk xylene is included in the authorisation list (Annex IV) of REACH. Musk xylene cannot be placed on the market or used unless authorisation has been granted under REACH’.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Deodorizer, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Deodorizer, Fragrance.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
    • FDA NDC lists this ingredient in 1 active drug products and 1 total products.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 Musk xylene. 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 Musk xylene yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2021-04-01

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2020-11-27

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    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

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often FDA National Drug Code directory has listed Musk xylene in a product composition. These are source records, not Greenveil catalog products.

Source records

1

Typical roles

PerfumingFragranceDeodorant
See products using Musk xylene →