Good Cosmetic Ingredient Sensitization Data

Acetaldehyde Phenethyl Propyl Acetal

Also known as: Acetal R, Acetaldehyde phenylethyl propyl acetal, Acetaldehyde propyl phenylethyl acetal, EINECS 231-327-9, FEMA No. 2004 (+4 more)

INCI: ACETALDEHYDE PHENETHYL PROPYL ACETAL

Acetaldehyde Phenethyl Propyl Acetal (CAS 7493-57-4) is a cosmetic cosmetic ingredient functioning as Fragrance / Perfuming (green note). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 7493-57-4 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance / Perfuming (green note)
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
231-327-9

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted by FDA

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Acetaldehyde Phenethyl Propyl Acetal.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for Acetaldehyde Phenethyl Propyl Acetal based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
IFRA Restricted

Source: EU 2023/1545; SCCS

Sensitization AOP Dashboard

Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.

NESIL
310 µg/cm²
GHS: 1B Human: positive

Source: HPPT: [267] Epstein WL (1979): Report to RIFM, 9 March, unpublished.

HRIPT Human Patch Test Studies

2 human repeat insult patch tests aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 3375 - -
HRIPT - 0 310 - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

1 property record from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "yes", "allergen_class": "fragrance", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "yes", "source": "EU 2023/1545; SCCS"}

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance
Regulatory List Membership (3)
IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Acetaldehyde Phenethyl Propyl Acetal.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

Acetal R Acetaldehyde phenylethyl propyl acetal Acetaldehyde propyl phenylethyl acetal EINECS 231-327-9 FEMA No. 2004 Pepital 1-Phenethoxy-1-propoxyethane Propyl phenethyl acetal UNII-U811MB854I

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

Europe food_additive; Substances Added to Food (formerly EAFUS) (2/2019) IFRA Transparency consumer_product

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Acetaldehyde Phenethyl Propyl Acetal safe in cosmetics?

Acetaldehyde Phenethyl Propyl Acetal has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Acetaldehyde Phenethyl Propyl Acetal allowed in the EU?

Acetaldehyde Phenethyl Propyl Acetal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acetaldehyde Phenethyl Propyl Acetal do in cosmetics?

Acetaldehyde Phenethyl Propyl Acetal functions as: Fragrance / Perfuming (green note). It is classified as a cosmetic ingredient in our database. CAS number: 7493-57-4.

Is Acetaldehyde Phenethyl Propyl Acetal used outside cosmetics?

Acetaldehyde Phenethyl Propyl Acetal also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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