NOAEL Data Cosmetic Ingredient

Magnesium stearate

Also known as: Octadecanoic acid, magnesium salt, AFCO-Chem MGS, Aurabrite MA 76, Daiwax SMO, EM 100 (salt) (+11 more)

CAS 557-04-0

Magnesium stearate (CAS 557-04-0) is a chemical substance. Key regulatory status: 9 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ILO ICSC.

View cosmetic safety profile for Magnesium Stearate →

SOURCE noael studies public
NOAEL studies
5
SOURCE chemical inventory jurisdictions
Regulatory lists
9
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 22 fields
Name
Magnesium stearate
CAS Number
557-04-0
DTXSID
DTXSID2027208
Molecular Formula
2C18H36O2.Mg
InChI Key
HQKMJHAJHXVSDF-UHFFFAOYSA-L
Monoisotopic Mass
592.528102
Synonyms
Octadecanoic acid, magnesium saltAFCO-Chem MGSAurabrite MA 76Daiwax SMOEM 100 (salt)HyQualKemilub EM-F-VLiga MF 2VLigastar MG 700Palmstar 325BP/EPParteck LUBParteck LUB-MST

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records
FieldValue
Routes of ExposureThe substance can be absorbed into the body by inhalation.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 60 records
Surfactant (surface active agent)Anti-caking agentDyeFillerHumectantThickening agentBinderLubricating agentFlavouring and nutrientAnti-adhesive/cohesiveProcessing aids not otherwise specified

Regulatory Lists

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

SOURCE EPA CPDat 9 records
ListKeywordSource
active_ingredient; animal_products; Europe; pharmaceutical; residueEUCPCat
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
SCIL (9/2019)USEPASafer Chemical Ingredients List
Canada; pharmaceuticalDrugBankDrugBank
Cleaning products and household care - dishwasher and dishes - automatic dishwashing detergent; EuropeDanish EPADanish EPA
Canada; consumer_product; Substances in Products - Canada (4/2014)Government of CanadaCPCat
inert_ingredient; PesticidesEPACPCat
inert_ingredient; PesticidesEPACPCat
inert_ingredient; non_food_use; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 5 of 5 studies
ValueUnitEndpointRouteSpeciesSource
70097M6I30UNIIFDA UNII substance identifier--openFDA substances
70097M6I30UNIIFDA UNII substance identifier--openFDA substances
70097M6I30UNIIFDA UNII substance identifier--openFDA substances
70097M6I30UNIIFDA UNII substance identifier--openFDA substances
>2.5mg/kg bw/dayNOAELoralRabbitToxValDB_ECHA_IUCLID

Showing 5 of 5 studies

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
emollient
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL MAGNESIUM STEARATE
ChEMBL Phase
1
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA / FDA GRAS 1 records

E470b — ADI: NOT SPECIFIED mg/kg bw

View full food safety profile →

Frequently Asked Questions

What is the NOAEL for Magnesium stearate?

Magnesium stearate has 5 NOAEL studies in the database. The lowest reported value is 70097M6I30 UNII. Source: openFDA substances.

What regulatory lists include Magnesium stearate?

Magnesium stearate appears on 8 regulatory/inventory lists including active_ingredient; animal_products; Europe; pharmaceutical; residue, food_additive; Substances Added to Food (formerly EAFUS) (2/2019), SCIL (9/2019), and 5 more. Source: EPA CPDat.

Is Magnesium stearate used in cosmetics?

Yes, Magnesium stearate is also indexed as a cosmetic ingredient under the name Magnesium Stearate. 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 Magnesium stearate come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS. All data traces to primary regulatory sources and is updated from official government databases.

Is Magnesium stearate used outside industrial chemicals?

Magnesium stearate also appears in cosmetics, pharmaceutical, food safety databases.