What is the NOAEL for Tungsten sulfide (WS2)?
Tungsten sulfide (WS2) has 5 NOAEL studies in the database. The lowest reported value is 8.4 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.
NOAEL Data
REACH Registered
Cosmetic Ingredient
Tungsten sulfide (WS2)
Also known as: EINECS 235-243-3, WS2, [WS2]
CAS 12138-09-9
Tungsten sulfide (WS2) (CAS 12138-09-9) is a chemical substance. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
SOURCE
noael studies public
NOAEL studies
5
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
9 fields
Name
Tungsten sulfide (WS2)
CAS Number
12138-09-9
DTXSID
DTXSID2065256
Molecular Formula
2S.W
InChI Key
ITRNXVSDJBHYNJ-UHFFFAOYSA-N
Monoisotopic Mass
247.895073
Synonyms
EINECS 235-243-3WS2[WS2]
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
2 records
AbrasiveDeodorizer
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 5 of 5 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =8.4 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB_GESTIS_DNEL |
| 6JHT6TE2T7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 6JHT6TE2T7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 6JHT6TE2T7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 6JHT6TE2T7 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 5 of 5 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Tungsten disulphide | 235-243-3 | ECHA 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
permitted
Max
-
Category
Cosmetic Ingredient
Frequently Asked Questions
Is Tungsten sulfide (WS2) used in cosmetics?
Yes, Tungsten sulfide (WS2) is also indexed as a cosmetic ingredient under the name Tungsten Disulfide. 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 Tungsten sulfide (WS2) come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is Tungsten sulfide (WS2) used outside industrial chemicals?
Tungsten sulfide (WS2) also appears in cosmetics databases.