Citronellal Dimethyl Acetal

Also known as: 2,6-Octadiene, 1,1-dimethoxy-3,7-dimethyl-, Citral dimethyl acetal, 4-01-00-03570, BRN 1706336, 1,1-Dimethoxy-3,7-dimethyl-2,6-octadiene (+5 more)

INCI: CITRONELLAL DIMETHYL ACETAL

Citronellal Dimethyl Acetal (CAS 7549-37-3) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient (floral/green note modifier). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and food safety data.

View industrial chemical safety profile for CAS 7549-37-3 →

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

Chemistry & Identifiers

Formula
C12H22O2
MW
198.3 g/mol
PubChem CID
24191
IUPAC Name
1,1-dimethoxy-3,7-dimethylocta-2,6-diene
InChIKey
ZSKAJFSSXURRGL-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes RIFM safety assessment available for structurally analogous hydroxycitronellal dimethyl acetal (CAS 141-92-4) — found safe at current use levels

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Citronellal Dimethyl Acetal.

Calculate MoS for your specific formulation with the MoS Calculator.

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 2592 - -

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Regulatory (3)
JECFA Number
944
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
3,7-DIMETHYL-2,6-OCTADIENYL DIMETHYL ACETAL | 2001 | No safety concern at current levels of intake when used as a flavouring agent | TRS 909-JECFA 57/107 | FAS 48-JECFA 57/369
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
CITRAL DIMETHYL ACETAL | 2001 | No safety concern at current levels of intake when used as a flavouring agent | TRS 909-JECFA 57/107 | FAS 48-JECFA 57/369
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

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 Citronellal Dimethyl Acetal.

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Known Synonyms

2,6-Octadiene, 1,1-dimethoxy-3,7-dimethyl- Citral dimethyl acetal 4-01-00-03570 BRN 1706336 1,1-Dimethoxy-3,7-dimethyl-2,6-octadiene 3,7-Dimethyl-2,6-octadienal dimethyl acetal EINECS 231-434-0 FEMA No. 2305 2,6-Octadienal, 3,7-dimethyl-, dimethyl acetal UNII-6ZOD5NW633

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

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

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in food safety data.

SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
CITRAL DIMETHYL ACETAL
ADI
No safety concern at current levels of intake when used as a flavouring agent mg/kg bw
Food Category
flavoring
View full food safety profile →

Frequently Asked Questions

Is Citronellal Dimethyl Acetal safe in cosmetics?

Citronellal Dimethyl Acetal has a safety rating of "GOOD" in our database. EU status: prohibited. US status: permitted.

Is Citronellal Dimethyl Acetal allowed in the EU?

Citronellal Dimethyl Acetal EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Citronellal Dimethyl Acetal do in cosmetics?

Citronellal Dimethyl Acetal functions as: Fragrance ingredient (floral/green note modifier). It is classified as a cosmetic ingredient in our database. CAS number: 7549-37-3.

Is Citronellal Dimethyl Acetal used outside cosmetics?

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

Does Citronellal Dimethyl Acetal have different safety status in cosmetics vs industrial chemicals?

Citronellal Dimethyl Acetal is prohibited in EU cosmetics but has active industrial GHS classifications.

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