NOAEL Data Cosmetic Ingredient

Thioxolone

Also known as: EINECS 225-653-0, Tioxolona, Tioxolonum, UNII-S0FAJ1R9CD, 6-Hydro-2-oxo-1,3-benzoxathiole (+4 more)

CAS 4991-65-5

Thioxolone (CAS 4991-65-5) is a chemical substance. Key regulatory status: 3 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Tioxolone →

SOURCE noael studies public
NOAEL studies
6
SOURCE chemical inventory jurisdictions
Regulatory lists
3
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 15 fields
Name
Thioxolone
CAS Number
4991-65-5
DTXSID
DTXSID5045885
Molecular Formula
C7H4O3S
InChI Key
SLYPOVJCSQHITR-UHFFFAOYSA-N
Monoisotopic Mass
167.988115
Synonyms
EINECS 225-653-0TioxolonaTioxolonumUNII-S0FAJ1R9CD6-Hydro-2-oxo-1,3-benzoxathiole6-Hydroxy-1,3-benzoxathiol-2-oneThioxaloneTioxolontioxolone

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records
Astringent

Regulatory Lists

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

SOURCE EPA CPDat 3 records
ListKeywordSource
Canada; Personal care; Substances in PCP - Canada (4/2014)Government of CanadaCPCat
pharmaceuticalUS International Trade CommissionCPCat
Canada; pharmaceuticalDrugBankDrugBank

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 6 of 6 studies
ValueUnitEndpointRouteSpeciesSource
S0FAJ1R9CDUNIIFDA UNII substance identifier--openFDA substances
S0FAJ1R9CDUNIIFDA UNII substance identifier--openFDA substances
S0FAJ1R9CDUNIIFDA UNII substance identifier--openFDA substances
S0FAJ1R9CDUNIIFDA UNII substance identifier--openFDA substances
3.71mg/LLC50Inhalation-NTP_ICE_acute_inhalation
=633mg/kg bwLD50oralRatNTP_ICE_acute_oral

Showing 6 of 6 studies

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
permitted
Max
-
Category
Cosmetic Ingredient
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL TIOXOLONE
ChEMBL Phase
2
Adverse Events
0
Bioactivity
6
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for Thioxolone?

Thioxolone has 6 NOAEL studies in the database. The lowest reported value is S0FAJ1R9CD UNII. Source: openFDA substances.

What regulatory lists include Thioxolone?

Thioxolone appears on 3 regulatory/inventory lists including Canada; Personal care; Substances in PCP - Canada (4/2014), pharmaceutical, Canada; pharmaceutical. Source: EPA CPDat.

Is Thioxolone used in cosmetics?

Yes, Thioxolone is also indexed as a cosmetic ingredient under the name Tioxolone. 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 Thioxolone come from?

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

Is Thioxolone used outside industrial chemicals?

Thioxolone also appears in cosmetics, pharmaceutical databases.