NOAEL Data REACH Registered Cosmetic Ingredient

2,4-Dichloro-3,5-dimethylphenol

Also known as: Phenol, 2,4-dichloro-3,5-dimethyl-, Benzene, 2,4-dichloro-1,3-dimethyl-5-hydroxy-, Decasept, 2,4-Dichloro-M,5-xylenol, Dichlorxylenolum (+10 more)

CAS 133-53-9

2,4-Dichloro-3,5-dimethylphenol (CAS 133-53-9) is a chemical substance. Key regulatory status: REACH registered, 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Dichloro-m-Xylenol →

SOURCE noael studies public
NOAEL studies
6
SOURCE chemical inventory jurisdictions
Regulatory lists
2
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 21 fields
Name
2,4-Dichloro-3,5-dimethylphenol
CAS Number
133-53-9
DTXSID
DTXSID0041359
Molecular Formula
C8H8Cl2O
InChI Key
IYOLBFFHPZOQGW-UHFFFAOYSA-N
Monoisotopic Mass
189.99522
Synonyms
Phenol, 2,4-dichloro-3,5-dimethyl-Benzene, 2,4-dichloro-1,3-dimethyl-5-hydroxy-Decasept2,4-Dichloro-M,5-xylenolDichlorxylenolum3,5-Dimethyl-2,4-dichlorophenolEINECS 205-109-9NSC 9774OttacidePrinsyl3,5-Xylenol, 2,4-dichloro-Dichloroxylenolum

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
BiocideDeodorizer

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
active_ingredient; Europe; PesticidesCommission of the European CommunitiesCPCat
pharmaceuticalUS International Trade CommissionCPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 6 of 6 studies
ValueUnitEndpointRouteSpeciesSource
51AC49OLT7UNIIFDA UNII substance identifier--openFDA substances
51AC49OLT7UNIIFDA UNII substance identifier--openFDA substances
51AC49OLT7UNIIFDA UNII substance identifier--openFDA substances
51AC49OLT7UNIIFDA UNII substance identifier--openFDA substances
=7900mg/m3LELinhalationRatToxValDB_ECHA_IUCLID
=1000mg/kg bw/dayNOELoralRatToxValDB_ECHA_IUCLID

Showing 6 of 6 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered2,4-dichloro-3,5-xylenol205-109-9ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
restricted
Max
0.5%
Category
Preservative
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL DICHLOROXYLENOL
ChEMBL Phase
2
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for 2,4-Dichloro-3,5-dimethylphenol?

2,4-Dichloro-3,5-dimethylphenol has 6 NOAEL studies in the database. The lowest reported value is 51AC49OLT7 UNII. Source: openFDA substances.

What regulatory lists include 2,4-Dichloro-3,5-dimethylphenol?

2,4-Dichloro-3,5-dimethylphenol appears on 2 regulatory/inventory lists including active_ingredient; Europe; Pesticides, pharmaceutical. Source: EPA CPDat.

Is 2,4-Dichloro-3,5-dimethylphenol used in cosmetics?

Yes, 2,4-Dichloro-3,5-dimethylphenol is also indexed as a cosmetic ingredient under the name Dichloro-m-Xylenol. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 2,4-Dichloro-3,5-dimethylphenol come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.

Does 2,4-Dichloro-3,5-dimethylphenol have different safety status in cosmetics vs industrial chemicals?

2,4-Dichloro-3,5-dimethylphenol is classified GHS Danger (H302, H315, H318, H319, H312) in the chemicals database but is restricted in EU cosmetics at max 0.5%.

Is 2,4-Dichloro-3,5-dimethylphenol used outside industrial chemicals?

2,4-Dichloro-3,5-dimethylphenol also appears in cosmetics, pharmaceutical databases.