Good Cosmetic Ingredient Sensitization Data

Potassium Ethylparaben

INCI: POTASSIUM ETHYLPARABEN

Potassium Ethylparaben (CAS 36457-19-9) is a cosmetic cosmetic ingredient functioning as Preservative (antimicrobial). EU Regulation 1223/2009 status: permitted, max 0.4%. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 36457-19-9 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative (antimicrobial)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C9H9KO3
MW
204.26 g/mol
PubChem CID
23696798
IUPAC Name
potassium 4-ethoxycarbonylphenolate
InChIKey
HFTYFFXNUVBSII-UHFFFAOYSA-M

Regulatory Status

EU EU Status permitted
EU Max Conc. 0.4%
US US Status permitted
US Notes Permitted preservative; FDA has not set specific concentration limits but follows GRAS-level usage; CIR Panel confirmed safety

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 Ethylparaben.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for Potassium Ethylparaben based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.1%
Cross-reactivity Group
paraben-group
Reaction Type
contact-dermatitis

Source: ESSCA; IVDK; SCCS/1348/10

Additional Ingredient Properties

1 property record from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "no", "allergen_class": "preservative", "cross_reactivity_group": "paraben-group", "patch_test_frequency_pct": "0.1", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "no", "source": "ESSCA; IVDK; SCCS/1348/10"}

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Preservative

Expert Verdict

Expert safety assessment and concern-level summary for Potassium Ethylparaben.

Regulatory Flags

preservative

Chemical Function

Preservative

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Potassium Ethylparaben safe in cosmetics?

Potassium Ethylparaben has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Potassium Ethylparaben allowed in the EU?

Potassium Ethylparaben EU regulatory status: permitted. Maximum allowed concentration: 0.4%. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Ethylparaben do in cosmetics?

Potassium Ethylparaben functions as: Preservative (antimicrobial). It is classified as a cosmetic ingredient in our database. CAS number: 36457-19-9.

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