Is Sodium Magnesium Silicate safe in cosmetics?
Sodium Magnesium Silicate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Sodium Magnesium Silicate
INCI: SODIUM MAGNESIUM SILICATE
Sodium Magnesium Silicate (CAS 53320-86-8) is a cosmetic cosmetic ingredient functioning as Viscosity controlling; Bulking; Emulsion stabilizing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 53320-86-8 →
Auto-generated CPSR Part A draft with source citations
Function
Viscosity controlling; Bulking; Emulsion stabilizing
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
dilithium;hexadecamagnesium;disodium;hexakis(1,3,5,7-tetraoxido-2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrasilatricyclo[3.3.1.13,7]decane);dodecahydroxide
InChIKey
XCOBTUNSZUJCDH-UHFFFAOYSA-B
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR concluded safe as used with inhalation caveat; max reported use up to 21.6% in eye shadows
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Sodium Magnesium Silicate.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
1 property record from structured ingredient metadata.
mineral_clay
{"cas_number": "53320-86-8", "ingredient_class": "other", "chemical_formula": "Na-Mg silicate", "mineral_origin": "synthetic", "particle_size_range_um": "0.5-10", "surface_area_m2_per_g": "30-150", "crystal_structure": "layered", "color_appearance": "white/cream", "opacity": "translucent", "refractive_index": "1.53", "oil_absorption_g_per_100g": "60-120", "water_absorption_capacity": "200-500%", "…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Absorbent
Anti-scaling agent
Chelating agent
Filler
Processing aids not otherwise specified
Thickening agent
Viscosity modifier
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for Sodium Magnesium Silicate.
Regulatory Flags
epa_safer_alternative
Chemical Function
Viscosity modifier
Absorbent
Filler
Thickening agent
Chelating agent
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
SCIL (9/2019)
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Sodium Magnesium Silicate allowed in the EU?
Sodium Magnesium Silicate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Magnesium Silicate do in cosmetics?
Sodium Magnesium Silicate functions as: Viscosity controlling; Bulking; Emulsion stabilizing. It is classified as a cosmetic ingredient in our database. CAS number: 53320-86-8.
Is Sodium Magnesium Silicate used outside cosmetics?
Sodium Magnesium Silicate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Sodium Magnesium Silicate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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