Warning GHS07GHS09 NOAEL Data REACH Registered Cosmetic Ingredient

Barium sulfide (BaS)

CAS 21109-95-5

Barium sulfide (BaS) (CAS 21109-95-5) is a chemical substance with GHS signal word Warning; key hazard signal: H332; H302; H400. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from ECHA CLP, EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Barium Sulfide →

Cross-Vertical Regulatory Divergence

Barium sulfide (BaS) is prohibited in EU cosmetics but has active industrial GHS classifications (H332, H302, H400).

SOURCE Cross-vertical comparison Cosmetics: ingredients.eu_status; Chemicals: eu_clp_annex_vi.signal_word/hazard_statement_code

SOURCE noael studies public

NOAEL studies

SOURCE chemical inventory jurisdictions

Regulatory lists

SOURCE eu clp annex vi

GHS signal

Warning

Chemical Identity

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

SOURCE DSSTox identifiers 6 fields

Name

Barium sulfide (BaS)

CAS Number

21109-95-5

DTXSID

DTXSID30892157

Molecular Formula

Ba.S

InChI Key

CJDPJFRMHVXWPT-UHFFFAOYSA-N

Monoisotopic Mass

169.877318

GHS / CLP Classification

EU harmonized hazard classification, hazard statements, pictograms, and signal word.

SOURCE EU CLP Annex VI (ECHA) 1 classifications

Hazard Class	H-Statements	Pictograms	Signal
Acute Tox. 4 ; Acute Tox. 4 ; Aquatic Acute 1	H332; H302; H400	GHS07; GHS09	Warning

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records

Depilatory

Regulatory Lists

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

SOURCE EPA CPDat 1 records

List	Keyword	Source
Canada; Personal care; Substances in PCP - Canada (4/2014)	Government of Canada	CPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 6 of 6 studies

Value	Unit	Endpoint	Route	Species	Source
=2.3	mg/m3	DNEL local	inhalation	Human	ToxValDB_GESTIS_DNEL
=6.4	mg/m3	DNEL systemic	inhalation	Human	ToxValDB_GESTIS_DNEL
TV3U2GEW4H	UNII	FDA UNII substance identifier	-	-	openFDA substances
TV3U2GEW4H	UNII	FDA UNII substance identifier	-	-	openFDA substances
TV3U2GEW4H	UNII	FDA UNII substance identifier	-	-	openFDA substances
TV3U2GEW4H	UNII	FDA UNII substance identifier	-	-	openFDA substances

Showing 6 of 6 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records

Status	Name	EC Number	Link
Registered	Barium sulphide	244-214-4	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

prohibited

Max

Frequently Asked Questions

What is the GHS hazard classification for Barium sulfide (BaS)?

Barium sulfide (BaS) (CAS 21109-95-5) is classified under EU CLP Annex VI as Acute Tox. 4 *; Acute Tox. 4 *; Aquatic Acute 1 with signal word Warning. Hazard statements: H332; H302; H400. Source: EU CLP Annex VI (ECHA).

What is the NOAEL for Barium sulfide (BaS)?

Barium sulfide (BaS) has 6 NOAEL studies in the database. The lowest reported value is 2.3 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Barium sulfide (BaS)?

Barium sulfide (BaS) appears on 1 regulatory/inventory list including Canada; Personal care; Substances in PCP - Canada (4/2014). Source: EPA CPDat.

Is Barium sulfide (BaS) used in cosmetics?

Yes, Barium sulfide (BaS) is also indexed as a cosmetic ingredient under the name Barium Sulfide. 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 Barium sulfide (BaS) come from?

Safety data is sourced from ECHA CLP Annex VI, 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.

Does Barium sulfide (BaS) have different safety status in cosmetics vs industrial chemicals?

Barium sulfide (BaS) is prohibited in EU cosmetics but has active industrial GHS classifications (H332, H302, H400).

Is Barium sulfide (BaS) used outside industrial chemicals?

Barium sulfide (BaS) also appears in cosmetics databases.