Is Potassium Acetate safe in cosmetics?
Potassium Acetate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Potassium Acetate
Also known as: EINECS 204-822-2, FEMA No. 2920, Potassium acetate in plastic container, Octan draselny, UNII-M911911U02 (+6 more)
INCI: POTASSIUM ACETATE
Potassium Acetate (CAS 127-08-2) is a cosmetic cosmetic ingredient functioning as Film forming. EU Regulation 1223/2009 status: permitted; GHS signal word WARNING. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety, pharmaceutical, and food safety data.
View industrial chemical safety profile for CAS 127-08-2 →
Auto-generated CPSR Part A draft with source citations
Function
Film forming
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
potassium acetate
InChIKey
SCVFZCLFOSHCOH-UHFFFAOYSA-M
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted in cosmetics; no specific restrictions; also USP-recognized
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Potassium Acetate.
Calculate MoS for your specific formulation with the MoS Calculator.
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Signal Word
WARNING
Hazard Statements
May be harmful if swallowed Causes eye irritation
Short-term Exposure Effects
The substance is mildly irritating to the eyes and skin.
Routes of Exposure
The substance can be absorbed into the body by ingestion.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (1)
ICSC Safety Card
0547
Source: WHO/JECFA
Regulatory (2)
JECFA Evaluation
POTASSIUM ACETATE | 1973 | NOT LIMITED | Group ADI of "not limited" for acetic acid and its potassium and sodium salts. This ADI was maintained at the forty-ninth meeting (1997). | NMRS 53/TRS 539-JECFA 17/35 | FAS 5/NMRS 53A-JECFA 17/31
Source: WHO/JECFA
EU Food Improvement
Food additives
Source: EU Food Improvement Agents
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Catalyst
Film former
Flavouring and nutrient
Processing aids not otherwise specified
Regulatory List Membership (2)
EPA Safer Chemical Ingredients List (SCIL)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Potassium Acetate.
Regulatory Flags
epa_safer_alternative
fda_food_additive
jecfa_safe
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Potassium Acetate by CAS number or substance name.
Studies
12
Lowest NOAEL
50 mg/kg bw/day
Highest NOAEL
919.58 mg/kg bw/day
ECHA
Known Synonyms
EINECS 204-822-2
FEMA No. 2920
Potassium acetate in plastic container
Octan draselny
UNII-M911911U02
AcOK
CH3CO2K
E261
KOAc
Kaliumazetat
MeCO2K
Chemical Function
Film former
Catalyst
Processing aids not otherwise specified
Regulatory Lists
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
SCIL (9/2019)
Canada; pharmaceutical
Canada; pharmaceutical
fracking; water
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical and food safety data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
POTASSIUM ACETATE
ChEMBL ID
CHEMBL1201058
Max Phase
4
Adverse Event Associations
56
SOURCE
EFSA / FDA GRAS
food_additives
Food Safety Data
Same-CAS food additive or FDA GRAS records from the core public database.
Food Name
Potassium acetate
E Number
E261
ADI
NOT LIMITED mg/kg bw
Food Category
preservative
Frequently Asked Questions
Is Potassium Acetate allowed in the EU?
Potassium Acetate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Potassium Acetate do in cosmetics?
Potassium Acetate functions as: Film forming. It is classified as a cosmetic ingredient in our database. CAS number: 127-08-2.
Is Potassium Acetate classified as hazardous under GHS?
Potassium Acetate carries a GHS signal word of "WARNING". Hazard statements: May be harmful if swallowed Causes eye irritation. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.
Is Potassium Acetate used outside cosmetics?
Potassium Acetate also appears in industrial chemical safety, pharmaceutical, and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Potassium Acetate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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