NOAEL Data REACH Registered Cosmetic Ingredient

Potassium sulfate

Also known as: Sulfuric acid dipotassium salt, Caswell No. 702, EINECS 231-915-5, EINECS 233-558-0, EPA Pesticide Chemical Code 005603 (+3 more)

CAS 7778-80-5

Potassium sulfate (CAS 7778-80-5) is a chemical substance. Key regulatory status: REACH registered, 9 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.

View cosmetic safety profile for Potassium Sulfate →

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 14 fields
Name
Potassium sulfate
CAS Number
7778-80-5
DTXSID
DTXSID6029701
Molecular Formula
2K.H2O4S
InChI Key
OTYBMLCTZGSZBG-UHFFFAOYSA-L
Monoisotopic Mass
175.894793
Synonyms
Sulfuric acid dipotassium saltCaswell No. 702EINECS 231-915-5EINECS 233-558-0EPA Pesticide Chemical Code 005603Kalium sulphuricumUNII-1K573LC5TVK2SO4

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records
FieldValue
Short-term EffectsThe substance is mildly irritating to the eyes, skin and respiratory tract.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 14 records
Viscosity modifierThickening agentCrystal growth modifiers (nucleating agents)Processing aids not otherwise specifiedFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 9 records
ListKeywordSource
inert_ingredient; PesticidesEPACPCat
inert_ingredient; non_food_use; PesticidesEPACPCat
pharmaceuticalUS International Trade CommissionCPCat
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
Canada; pharmaceuticalDrugBankDrugBank
pharmaceuticalUS International Trade CommissionCPCat
inert_ingredient; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 5 of 5 studies
ValueUnitEndpointRouteSpeciesSource
=37.6mg/m3DNEL systemicinhalationHumanToxValDB_GESTIS_DNEL
1K573LC5TVUNIIFDA UNII substance identifier--openFDA substances
1K573LC5TVUNIIFDA UNII substance identifier--openFDA substances
1K573LC5TVUNIIFDA UNII substance identifier--openFDA substances
1K573LC5TVUNIIFDA UNII substance identifier--openFDA substances

Showing 5 of 5 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
RegisteredPotassium sulfate231-915-5ECHA 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
-
Category
Rheology Modifier
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL POTASSIUM SULFATE
ChEMBL Phase
4
Adverse Events
24
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

E515 — ADI: NOT SPECIFIED mg/kg bw

View full food safety profile →

Frequently Asked Questions

What is the NOAEL for Potassium sulfate?

Potassium sulfate has 5 NOAEL studies in the database. The lowest reported value is 37.6 mg/m3 via inhalation in Human. Source: ToxValDB_GESTIS_DNEL.

What regulatory lists include Potassium sulfate?

Potassium sulfate appears on 6 regulatory/inventory lists including inert_ingredient; Pesticides, inert_ingredient; non_food_use; Pesticides, pharmaceutical, and 3 more. Source: EPA CPDat.

Is Potassium sulfate used in cosmetics?

Yes, Potassium sulfate is also indexed as a cosmetic ingredient under the name Potassium Sulfate. 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 Potassium sulfate come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, 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.

Does Potassium sulfate have different safety status in cosmetics vs industrial chemicals?

Potassium sulfate is classified GHS Danger (H318) in the chemicals database but is allowed in EU cosmetics.

Is Potassium sulfate used outside industrial chemicals?

Potassium sulfate also appears in cosmetics, pharmaceutical, food safety databases.