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Ingredients

Ingredient Dictionary

BARIUM SULFIDE

Barium sulfide is a sulfide salt and a barium salt.

Molecular structure

Definition

US FDA substance register · UNII TV3U2GEW4H · registered name BARIUM SULFIDE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Barium sulfide is a sulfide salt and a barium salt.

Source: PubChem

Cosmetic roles

Dissolves hair to remove itDEPILATORY

Safety & regulatory references

Restricted or banned
South Korea

Source: MFDS (Korea) cosmetic regulatory information

Argentina · Brazil

  • Field of application and/or use : (a) (b) and Depilatories
  • Maximum concentration permitted at final product : a.- 2% calculated as sulfur pH up to 12.7 b.- 6% calculated as sulfur pH to 12.7
  • Use conditions and warnings that must appear on the label : a.- b.- and Keep out of the reach of children. Avoid contact with eyes.

ASEAN

  • Field of application and/or use : (a) Depilatories (b) Depilatories
  • Maximum authorised concentration in the finished cosmetic product : (a) 2% calculated as sulphur pH up to 12.7 (b) 6% calculated as sulphur pH up to 12.7
  • Conditions of use and warning which must be printed on the labels : (a) • Keep out of reach of children • Avoid contact with eyes (b) • Keep out of reach of children • Avoid contact with eyes

Canada

  • Conditions of Use by product type : In hair removal (depilatory) products
  • Maximum Concentration Permitted : 6% as sulfur

European Union

  • Product Type, body parts : (a) Depilatories (b) Depilatories
  • Maximum concentration in ready for use preparation : (a) 2% (as sulphur) (b) 6% (as sulphur)
  • Other : pH<=12.7
  • Wording of conditions of use and warnings : (a) (b) Keep out of reach of children Avoid contact with eyes

Source: MFDS (Korea) cosmetic regulatory information

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Restriction III/23 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Names & identifiers

BARIUM SULFIDEINCI바륨설파이드Korean label name (MFDS standard)Barium sulfide (BaS)Synonym
CAS No.chemical registry number
21109-95-5
EC No.EU chemical inventory number
244-214-4
DTXSIDUS EPA chemical ID
DTXSID30892157
DTXCIDUS EPA compound ID
DTXCID701324628
IUPAC
Barium sulfide
Molecular formula
BaS
Molecular weight
169.39 g/mol

Measured properties

Appearance
Dry Powder · Water-soluble, gray powder, [Hawley] Smells like rotten eggs, Hydrolyzes in water, [MSDSonline]
Melting/freezing point
1200 ℃
Relative density
4.36
Molecular weight
169.39

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 2 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Depilatory (EPA)1
  • Intermediate1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 1 eye studies are on record.

Classed as highly irritating1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 4 studies
  • Skin corrosion/irritation - Category 1
    Skin Irritation · Screening
  • Classification not possible
    Skin Sensitization · Screening
  • Classification not possible
    Skin Irritation · Screening
  • Classification not possible
    Eye Irritation · Screening

Source: US EPA CompTox dashboard

Related literature

Linked databases 17