Citronellal

Also known as: Citronella, Citronellel, CITRONELLOL,(D), EINECS 203-376-6, FEMA No. 2307 (+3 more)

INCI: CITRONELLAL

Citronellal (CAS 106-23-0) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient. NOAEL 20 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted. 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 106-23-0 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance ingredient
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C10H18O
MW
154.25 g/mol
EC Number
203-376-6
PubChem CID
7794
IUPAC Name
3,7-dimethyloct-6-enal
InChIKey
NEHNMFOYXAPHSD-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes RIFM-evaluated; permitted in cosmetics; IFRA Standards apply

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.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Citronellal across SCCS product categories, with measured dermal absorption where available.

Sensitization AOP Dashboard

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

NESIL
2592 µg/cm²
GHS: 1B Human: positive

Source: HPPT: [183] Kligman AM (1973): Report to RIFM, 31 October, unpublished.

HRIPT Human Patch Test Studies

3 human repeat insult patch tests aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HRIPT 110 0 7086 7086 non-sensitizer
HMT - 0 2592 - -
HRIPT - 0 6299.21 - -

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

IFRA Concentration Limits (12 Product Categories)

International Fragrance Association standards per product category. Restriction: Restriction. Effective: 2021-02-10.

Category Max % Category Max %
1 (Lip products) 0.22% 7a (Deodorant – not spray) 0.43%
2 (Body spray) 0.066% 7b (Deodorant spray) 0.43%
3 (Body cream) 0.22% 8 (Face cream) 0.073%
4 (Fine fragrance) 0.87% 9 (Soap) 1.1%
5a (Body lotion) 0.22% 10a (Household – non-spray) 1.1%
5b (Face cream leave-on) 0.22% 10b (Household – spray) No Restriction%
5c (Hand cream) 0.22% 11a (Intimate – leave-on) 0.073%
5d (Baby cream) 0.073% 11b (Intimate – rinse) 0.073%
6 (Mouthwash) 0.22% 12 (Not for consumer exposure) No Restriction%

PubChem Annotations

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

Safety (1)
Skin Eye Respiratory Irritation
Citronellal ... was moderately irritating /to skin/.
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (5)
JECFA Number
1220
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
2,3-DIHYDROCITRAL | 2003 | No safety concern at current levels of intake when used as a flavouring agent | TRS 922-JECFA 61/75 | FAS 52-JECFA 61/289
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
CITRONELLAL | 2003 | No safety concern at current levels of intake when used as a flavouring agent | TRS 922-JECFA 61/75 | FAS 52-JECFA 61/289
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
3,7-DIMETHYL-6-OCTENAL | 2003 | No safety concern at current levels of intake when used as a flavouring agent | TRS 922-JECFA 61/75 | FAS 52-JECFA 61/289
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
RHODINAL | 2003 | No safety concern at current levels of intake when used as a flavouring agent | TRS 922-JECFA 61/75 | FAS 52-JECFA 61/289
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Deodorizer Flavouring and nutrient Fragrance Processing aids not otherwise specified UV stabilizer
Regulatory List Membership (5)
EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Citronellal.

Regulatory Flags

potential-allergen fragrance-component eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive jecfa_safe

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Citronellal by CAS number or substance name.

Studies
12
Lowest NOAEL
60 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

Citronella Citronellel CITRONELLOL,(D) EINECS 203-376-6 FEMA No. 2307 UNII-QB99VZZ7GZ D-Rhodinal beta-citronellal

Chemical Function

Fragrance Deodorizer Processing aids not otherwise specified Flavouring and nutrient

Regulatory Lists

air; Cleaning products and household care - air freshener; detected; emissions; Europe Cleaning products and household care - air freshener; Europe air; detected; emissions; Personal care air; Cleaning products and household care - air freshener; detected; emissions inert_ingredient; non_food_use; Pesticides active_ingredient; Europe; Pesticides children; Europe; Personal care children; Europe; Personal care - general moisturizing - hand/body lotion children; Europe; Personal care detected; Europe; Personal care - sexual wellness detected; Europe; Personal care - sexual wellness Europe; Personal care - sexual wellness detected; Europe; Personal care - sexual wellness IFRA Transparency Europe food_additive; Substances Added to Food (formerly EAFUS) (2/2019) SCIL (9/2019) consumer_product

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.

ChEMBL ID
CHEMBL447944
View full pharmaceutical profile →
SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

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

Food Name
CITRONELLAL
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 safe in cosmetics?

Citronellal has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is Citronellal allowed in the EU?

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

What does Citronellal do in cosmetics?

Citronellal functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 106-23-0.

Is Citronellal used outside cosmetics?

Citronellal 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.

Is Citronellal in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Citronellal in your formulation.