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Ingredients

Ingredient Dictionary

MAGNESIUM TRISILICATE

Molecular structure

Definition

US FDA substance register · UNII FML8G1U0Y3 · registered name MAGNESIUM TRISILICATE ANHYDROUS · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Scrubs physicallyABRASIVEMakes a clear formula opaqueOPACIFYINGAdjusts thicknessVISCOSITY CONTROLLINGAdds bulkBULKINGStops powders from cakingANTICAKINGAbsorbs water or oilABSORBENT

Safety & regulatory references

Allowed colourant
United States

Source: US FDA prohibited and restricted ingredients

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

Source: Korea toxic substances GHS register (NIER)

Reviewed by CIR: Amended Safety Assessment of Silicates as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report on the Safety Assessment of Aluminum Silicate, Calcium Silicate, Magnesium Aluminum Silicate, Magnesium Silicate, Magnesium Trisilicate, Sodium Magnesium Silicate, Zirconium Silicate, Attapulgite, Bentonite, Fuller's Earth, Hectorite, Kaolin, Lithium Magnesium Silicate, Lithium Magnesium Sodium Silicate, Montmorillonite, Pyrophyllite and Zeolite

Source: US Cosmetic Ingredient Review (CIR)

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

Official labels & definitions

JCIA labelling name トリケイ酸Mg: 本品は、次の化学式で表される無機化合物である。

Source: JCIA labelling names (Japan)

Names & identifiers

MAGNESIUM TRISILICATEINCI마그네슘트라이실리케이트Korean label name (MFDS standard)Silicic acid (H4Si3O8), magnesium salt (1:2)Synonymトリケイ酸MgJapanese labelling name
CAS No.chemical registry number
14987-04-3
EC No.EU chemical inventory number
239-076-7
DTXSIDUS EPA chemical ID
DTXSID50904706
DTXCIDUS EPA compound ID
DTXCID601353925
IUPAC
Dimagnesium dioxotrisiloxane-1,3,3,5-tetrakis(olate)
Molecular formula
Mg2O8Si3
Molecular weight
260.857 g/mol

Measured properties

Appearance
Fine, white powder, free from grittiness · Odorless slightly hygroscopic solid, [Merck Index] White odorless powder, [MSDSonline]
Odour
Odorless
Solubility
Insoluble in water and alcohol
pH
Between 6,3 and 9,5 (5 % slurry) · ITS SUSPENSION IS NEUTRAL OR ONLY SLIGHTLY ALKALINE TO LITMUS

Values measured on the substance itself, not a specification for a commercial raw material.

Source: PubChem

What products actually use it for

What the 17 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.

  • Anti-caking agent3
  • Filler3
  • Opacifer3
  • Viscosity modifier2
  • Abrasive2
  • Absorbent2
  • Anti-adhesive/cohesive1
  • Thickening agent1

Source: US EPA CompTox dashboard

Related literature

Linked databases 18