Good Cosmetic Ingredient NOAEL Data GHS Classified

Acetaldehyde Diethyl Acetal

Also known as: Acetaldehyde, diethyl acetal, NSC 7624, UN 1088 (DOT), EC No.: 203-310-6, BRN 1098310 (+11 more)

INCI: ACETALDEHYDE DIETHYL ACETAL

Acetaldehyde Diethyl Acetal (CAS 105-57-7) is a cosmetic cosmetic ingredient functioning as Fragrance / Perfuming. Reported NOAEL =120 mg/kg bw/day in Rat (EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx); 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 and pharmaceutical data.

View industrial chemical safety profile for CAS 105-57-7 →

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

Chemistry & Identifiers

EC Number
203-310-6

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted by FDA; FEMA GRAS #2002

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 Diethyl Acetal.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Acetaldehyde Diethyl Acetal. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =120 mg/kg bw/day oral: drinking water Rat subchronic EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The substance is irritating to the eyes, skin and respiratory tract. Exposure could cause lowering of consciousness.
Routes of Exposure
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
FlammableHarmful / Irritant
Hazard Class and Category
Flam. Liq. 2; Skin Irrit. 2; Eye Irrit. 2
Hazard Statements
  • H225 Highly flammable liquid and vapour
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Inserted via ATP: CLP00

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 6480 - -

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
Hazard classification: Restricted (Annex XVII)

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 Diethyl Acetal.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Acetaldehyde Diethyl Acetal by CAS number or substance name.

Studies
1
Lowest NOAEL
120 mg/kg bw/day
Highest NOAEL
120 mg/kg bw/day
EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx

Known Synonyms

Acetaldehyde, diethyl acetal NSC 7624 UN 1088 (DOT) EC No.: 203-310-6 BRN 1098310 EINECS 203-310-6 Ethylidenediethyl ether FEMA No. 2002 1,1-Diaethoxy-aethan 1,1-Diethoxy-ethaan 1,1-Dietossietano Acetaal Acetal diethylique Acetale Diaethylacetal UNII-5G14F9E2HB

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

air; detected; emissions; Personal care detected; Europe; Personal care - body adhesive Europe IFRA Transparency food_additive; Substances Added to Food (formerly EAFUS) (2/2019) consumer_product detected; Europe; Other direct contact consumer goods air; detected; emissions; Europe; Other direct contact consumer goods

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL1338583
View full pharmaceutical profile →

Frequently Asked Questions

Is Acetaldehyde Diethyl Acetal safe in cosmetics?

Acetaldehyde Diethyl Acetal has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 1 toxicological study endpoint(s) are available in our database.

Is Acetaldehyde Diethyl Acetal allowed in the EU?

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

What does Acetaldehyde Diethyl Acetal do in cosmetics?

Acetaldehyde Diethyl Acetal functions as: Fragrance / Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 105-57-7.

What is the NOAEL for Acetaldehyde Diethyl Acetal?

The NOAEL (No Observed Adverse Effect Level) for Acetaldehyde Diethyl Acetal is =120 mg/kg bw/day based on a subchronic study via oral: drinking water route in Rat. Source: EFSA_OpenFoodTox_EFSA_ReferencePoints.xlsx.

Is Acetaldehyde Diethyl Acetal used outside cosmetics?

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

Does Acetaldehyde Diethyl Acetal have different safety status in cosmetics vs industrial chemicals?

Acetaldehyde Diethyl Acetal is classified GHS Danger (H225, H315, H319) in the chemicals database but is allowed in EU cosmetics.

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