NOAEL Data Cosmetic Ingredient

Thioxanthen-9-one

Also known as: Thioxanthone, 9H-Thioxanthen-9-one, EINECS 207-749-4, NSC 15912, Thiaxanthenone (+10 more)

CAS 492-22-8

Thioxanthen-9-one (CAS 492-22-8) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.

View cosmetic safety profile for Thioxanthone →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
0
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
Thioxanthen-9-one
CAS Number
492-22-8
DTXSID
DTXSID8060082
Molecular Formula
C13H8OS
InChI Key
YRHRIQCWCFGUEQ-UHFFFAOYSA-N
Monoisotopic Mass
212.029586
Synonyms
Thioxanthone9H-Thioxanthen-9-oneEINECS 207-749-4NSC 15912ThiaxanthenoneThiaxanthonThiaxanthoneThioxanthene, 9-oxo-9H-Thioxanthene, 9-oxo-Thioxanthene-9-oneThioxanthenone10-Thioxanthone

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records
No specific technical function

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
EOK1SAC304UNIIFDA UNII substance identifier--openFDA substances
EOK1SAC304UNIIFDA UNII substance identifier--openFDA substances
EOK1SAC304UNIIFDA UNII substance identifier--openFDA substances
EOK1SAC304UNIIFDA UNII substance identifier--openFDA substances

Showing 4 of 4 studies

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 CHEMBL83371
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
3
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for Thioxanthen-9-one?

Thioxanthen-9-one has 4 NOAEL studies in the database. The lowest reported value is EOK1SAC304 UNII. Source: openFDA substances.

Is Thioxanthen-9-one used in cosmetics?

Yes, Thioxanthen-9-one is also indexed as a cosmetic ingredient under the name Thioxanthone. 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 Thioxanthen-9-one come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.

Is Thioxanthen-9-one used outside industrial chemicals?

Thioxanthen-9-one also appears in cosmetics, pharmaceutical databases.