NOAEL Data REACH Registered Cosmetic Ingredient

Octadecanoic acid, zinc salt

Also known as: Caswell No. 926, EINECS 209-151-9, EPA Pesticide Chemical Code 077002, Hydense, NSC 25957 (+9 more)

CAS 557-05-1

Octadecanoic acid, zinc salt (CAS 557-05-1) is a chemical substance. Key regulatory status: REACH registered, 7 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC, OSHA.

View cosmetic safety profile for Zinc Stearate →

SOURCE noael studies public

NOAEL studies

SOURCE chemical inventory jurisdictions

Regulatory lists

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 20 fields

Name

Octadecanoic acid, zinc salt

CAS Number

557-05-1

DTXSID

DTXSID7027209

Molecular Formula

2C18H36O2.Zn

InChI Key

XOOUIPVCVHRTMJ-UHFFFAOYSA-L

Monoisotopic Mass

632.472203

Synonyms

Caswell No. 926EINECS 209-151-9EPA Pesticide Chemical Code 077002HydenseNSC 25957Petrac ZN-41Unichem ZSWitco Zinc Stearate USPZinc stearate W. SZn StearateZink distearatZinci stearas

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records

Field	Value
Routes of Exposure	The substance can be absorbed into the body by inhalation of its aerosol.

OSHA Exposure Limits

Occupational exposure limits from OSHA, NIOSH, and ACGIH rows.

SOURCE OSHA / NIOSH / ACGIH occupational exposure limits 4 records

Agency	Metric	Value	ppm	mg/m3	Skin
OSHA	TWA	15 mg/m³ (total dust), 5 mg/m³ (respirable fraction)	-	15	N
NIOSH	TWA	10 mg/m³ (total), 5 mg/m³ (resp)	-	10	N
ACGIH	TWA	10 mg/m³ (inhalable particulate matter), 3 mg/m³ (respirable particulate matter) [2016]	-	10	N
CAL/OSHA	TWA	10 mg/m³	-	10	N

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 60 records

Surfactant (surface active agent)Viscosity modifierDyeAnti-caking agentAnti-adhesive/cohesiveThickening agentLubricating agentProcessing aids not otherwise specifiedStabilizing agentHeat stabilizerCorrosion inhibitor

Regulatory Lists

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

SOURCE EPA CPDat 7 records

List	Keyword	Source
inert_ingredient; Pesticides	EPA	CPCat
inert_ingredient; Pesticides	EPA	CPCat
inert_ingredient; non_food_use; Pesticides	EPA	CPCat
Europe; plastic_additive	European Chemicals Agency	European Chemicals Agency (ECHA)
drinking_water; Europe; manufacturing; plastic_additive	Belgaqua	CPCat
active_ingredient; animal_products; Europe; pharmaceutical; residue	EU	CPCat
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)	FDA	United States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 7 of 7 studies

Value	Unit	Endpoint	Route	Species	Source
=16.4	mg/m3	DNEL systemic	inhalation	Human	ToxValDB_GESTIS_DNEL
H92E6QA4FV	UNII	FDA UNII substance identifier	-	-	openFDA substances
H92E6QA4FV	UNII	FDA UNII substance identifier	-	-	openFDA substances
H92E6QA4FV	UNII	FDA UNII substance identifier	-	-	openFDA substances
H92E6QA4FV	UNII	FDA UNII substance identifier	-	-	openFDA substances
>200	mg/L	LC50	Inhalation	-	NTP_ICE_acute_inhalation
=1000	mg/kg bw/day	NOAEL	oral	Rat	ToxValDB_ECHA_IUCLID

Showing 7 of 7 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records

Status	Name	EC Number	Link
Registered	Zinc distearate	209-151-9	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

permitted

Max

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL

ChEMBL Phase

Not listed

Adverse Events

Bioactivity

View full pharmaceutical profile →

Food Safety Data

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

SOURCE EFSA / FDA GRAS 1 records

1 food-safety record found.

View full food safety profile →

Frequently Asked Questions

What is the NOAEL for Octadecanoic acid, zinc salt?

Octadecanoic acid, zinc salt has 7 NOAEL studies in the database. The lowest reported value is 16.4 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Octadecanoic acid, zinc salt?

Octadecanoic acid, zinc salt appears on 6 regulatory/inventory lists including inert_ingredient; Pesticides, inert_ingredient; non_food_use; Pesticides, Europe; plastic_additive, and 3 more. Source: EPA CPDat.

What are the occupational exposure limits for Octadecanoic acid, zinc salt?

Occupational exposure limits for Octadecanoic acid, zinc salt are set by OSHA, NIOSH, ACGIH. 4 limit values from official agencies are documented in the database. Source: OSHA, NIOSH, ACGIH.

Is Octadecanoic acid, zinc salt used in cosmetics?

Yes, Octadecanoic acid, zinc salt is also indexed as a cosmetic ingredient under the name Zinc 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 Octadecanoic acid, zinc salt come from?

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

Is Octadecanoic acid, zinc salt used outside industrial chemicals?

Octadecanoic acid, zinc salt also appears in cosmetics, pharmaceutical, food safety databases.