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Dinoseb

CAS 88-85-7 · 100/100 · High conf.

Also registered as 2 other CAS numbers

39403-80-0 · 152212-20-9

Dinoseb chemical structure

Concern score

100/100Critical concern driven by cmr.
High confidence

Dinoseb in plain language

What it is

Also known as 2-(Butan-2-yl)-4,6-dinitrophenol · (RS)-2-SEC-BUTYL-4,6-DINITROPHENOL · 2,4-Dinitro-6-(1-methylpropyl)phenol · 2,4-Dinitro-6-sec-butylphenol · 2-(1-Methylpropyl)-4,6-dinitrophenol · 2-sec-Butyl-4,6-dinitrophenol

Show all 30 names

4,6-Dinitro-2-(1-methyl-n-propyl)phenol · 4,6-Dinitro-2-(2-butyl)phenol · 4,6-Dinitro-2-sec-butylphenol · 4,6-Dinitro-o-sec-butylphenol · 6-sec-butyl-2,4-dinitrophenol · Bnp 20 · Dbnf · Dinitrobutylphenol · Dnbp · Dnosbp · Dnsbp · Dinoseb acid · Dow general weed killer · Dow selective weed killer · Dytop · Gebutox; knox-weed · Hel-fire · Knox-weed · Ladob · Laseb · Phenol, 2-(1-methylpropyl)-4,6-dinitro- · Premerge · dinoseb (ISO) · dinoseb (sara 302) (cercla)

What it does

Used in consumer products as an antimicrobial.

  • Antimicrobial
Is it a concern?
Critical concern: classified for carcinogenic, mutagenic or reproductive toxicity (CMR). It is banned in EU cosmetics.

Why it's flagged

  • Cmr

Dinoseb, its salts and esters with the exception of those specified elsewhere in this list 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
  • Industrial
  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products. CMR: Reprotoxic Cat. 1B()

    banned
    View source →
  • EUCosIngActiveCosmetics Regulation annex II / ref 684.
    • Cosmetics Regulation annex II / ref 684.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 12 composition records across product categories including Landscape/yard, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Degradant/impurity, Biocide.
    • EPA CPDat observed this chemical in 12 composition records across product categories including Landscape/yard, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Degradant/impurity, Biocide.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 Dinoseb. 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 Dinoseb 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 2010-10-15

    Open →
  • EPA Chemical and Products Database

    exposure · updated November 2006

    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 →
Reference links (1)

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 Dinoseb in a product composition. These are source records, not Greenveil catalog products.

Source records

12

Named organisations

6

Landscape/yardLaboratory supplies

Typical roles

Antimicrobial
See products using Dinoseb →