Moderate Fragrance NOAEL Data Sensitization Data Dermal Penetration

Amyl Cinnamal

Also known as: alpha- Amyl cinnamal, 2-(Phenylmethylene)heptanal, 2-Benzylideneheptanal, Pentylcinnamaldehyde, 2-(Phenylmethylene)-heptanal (+15 more)

INCI: AMYL CINNAMAL

Amyl Cinnamal (CAS 122-40-7) is a cosmetic fragrance functioning as Fragrance. NOAEL 23 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max Mandatory labeling in leave-on products at >0.001%; rinse-off >0.01%. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 122-40-7 →

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

Regulatory Status

EU EU Status restricted
EU Max Conc. Mandatory labeling in leave-on products at >0.001%; rinse-off >0.01%
US US Status permitted
US Notes IFRA standard restricts use level by product category; fragrance industry QRA2 framework applies

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Amyl Cinnamal.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Amyl Cinnamal. 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 6 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL =0.04 mg/kg bw/day - - Toxicology study INCHEM_WHO_harmproj_harmproj_harmproj10
NOAEL =23 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =36 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID

Pre-Calculated Safety Assessment

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

Sensitization Profile

Contact sensitization data for Amyl Cinnamal based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.3%
Cross-reactivity Group
fragrance-mix-II
Reaction Type
contact-dermatitis
IFRA Restricted — max 0.1% in finished products

Source: ESSCA/IVDK

Dermal Penetration Profile

Skin absorption and penetration characteristics of Amyl Cinnamal, relevant to systemic exposure and MoS calculations.

Absorption %
15-25%
Penetration Level
epidermis
Penetration Depth
epidermis
Molecular Weight
188.3 Da
Log P
4.2
Systemic Absorption
yes
Topical Bioavailability
10-20%
Safety Margin Factor
high
Vehicle Dependent
Yes — absorption varies by formulation

Source: SCCS/1459/11, IFRA

EPA ToxValDB — Toxicity Values

10 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
NOAEL =30 mg/kg-day Rat oral chronic EFSA
LD50 >2000 mg/kg Rabbit dermal - ECHA IUCLID
LD50 =3100 mg/kg Rat oral - ECHA IUCLID
LD50 =3700 mg/kg Rat oral - ECHA IUCLID
LD50 =2220 mg/kg Rat oral - ECHA IUCLID
LD50 =3730 mg/kg Rat oral - ECHA IUCLID
NOAEL =23 mg/kg-day Rat oral chronic ECHA IUCLID
NOAEL =36 mg/kg-day Rat oral chronic ECHA IUCLID
LOEL =30 % Mouse dermal short-term ECOTOX
LD50 =3730 mg/kg Rat oral - ChemIDplus

Sensitization AOP Dashboard

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

DPRA Cys %
0.6%
DPRA Lys %
3.9%
KeratinoSens IC50
48.885 µM
hCLAT CV75
24.2 µg/mL
LLNA EC3
10.6%
NESIL
3724 µg/cm²
LLNA: Weak (1B) GHS: 1B Human: positive

Source: LLNA: Gerberick et al. (2005) | Submitted by RIFM (RIFM DB #52888); DPRA: Gerberick et al. 2007 [DOI:10.1093/toxsci/kfm064]; KS: Natsch et al. 2013 [DOI:10.1002/jat.2868]; hCLAT: Ashikaga et al. 2010 [DOI:10.1177/026119291003800403]; HPPT: [103] Greif N (1967): Cutaneous safety of fragrance material as measured by the maximization test.

HRIPT Human Patch Test Studies

4 human repeat insult patch tests aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HRIPT 109 0 23620 23620 non-sensitizer
HMT - 0 3724.14 - -
HMT - 0 3888 - -
HRIPT - 0 23622.05 - -

Endocrine Disruptor Evidence (Expanded)

Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.

Cosmetic-Specific Mechanism
Category: fragrance
Receptor targets: ERα (limited)
LOEC: 100 µM
EU status: allowed (allergen labeling)

weak modulator

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (III - Restricted)
BRIN Brazil/India Cosmetics
Brazil: Restricted (Fragrance Allergen) · max >0.001% leave-on / >0.01% rinse-off requires labeling
India: Restricted

Additional Ingredient Properties

6 property records from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "yes", "allergen_class": "fragrance", "cross_reactivity_group": "fragrance-mix-II", "patch_test_frequency_pct": "0.3", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "yes", "ifra_max_level_pct": "0.1", "source": "ESSCA/IVDK"}
dermal_absorption
{"molecular_weight_da": "188.3", "log_p_value": "4.2", "skin_penetration_level": "epidermis", "penetration_depth": "epidermis", "absorption_pct": "15-25", "systemic_absorption": "yes", "penetration_enhancer": "yes", "occlusion_effect": "no", "vehicle_dependent": "yes", "skin_barrier_effect": "neutral", "bioavailability_topical_pct": "10-20", "safety_margin_factor": "high", "source": "SCCS/1459/11,…
fragrance
{"cas_number": "122-40-7", "ingredient_class": "aroma_chemical", "chemical_class": "aldehyde", "odor_family": "floral", "odor_description": "Warm, spicy floral, jasmine-like", "odor_strength": "strong", "odor_tenacity_hours": "24.0", "top_note": "no", "heart_note": "yes", "base_note": "yes", "blending_factor_1_10": "8.0", "threshold_of_detection_ppb": "2.5", "molecular_weight_Da": "202.29", "boili…
pediatric_safety
{"safe_for_newborn_0_6m": "avoid", "safe_for_infant_6_12m": "caution", "safe_for_toddler_1_3y": "caution", "safe_for_child_3_12y": "caution", "safe_for_teen_12_18y": "yes", "pediatric_max_concentration_pct": "0.1", "adult_max_concentration_pct": "unlimited", "pediatric_dermal_absorption_factor": "higher", "immature_skin_barrier_risk": "moderate", "oral_ingestion_risk": "low", "eye_irritation_risk"…
regulatory
{"eu_status": "restricted", "us_status": "allowed", "eu_max_concentration": "0.001", "restricted_in": "rinse-off: >0.01%, leave-on: >0.001%", "regulation_reference": "Annex III/205"}
skin_suitability
{"oily_skin": "caution", "dry_skin": "caution", "sensitive_skin": "avoid", "combination_skin": "caution", "normal_skin": "caution", "acne_prone": "caution", "rosacea": "avoid", "eczema": "avoid", "hyperpigmentation": "caution", "aging_mature": "caution", "dehydrated": "caution", "skin_benefit_primary": "fragrance", "skin_benefit_secondary": "jasmine-scent", "mechanism_of_action": "Synthetic jasmin…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Deodorizer Flavouring and nutrient Fragrance
Regulatory List Membership (5)
EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Amyl Cinnamal.

Regulatory Flags

fragrance-allergen eu-annex-iii fm-i patch-test-standard mandatory-label eu_children_restricted ifra_fragrance fda_food_additive eu_cosing_listed

NOAEL Studies Summary

View details ->

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

Studies
4
Lowest NOAEL
0.04 mg/kg bw/day
Highest NOAEL
36 mg/kg bw/day
COSMOS_DB ToxValDB_ECHA_IUCLID INCHEM_WHO_harmproj_harmproj_harmproj10

Known Synonyms

alpha- Amyl cinnamal 2-(Phenylmethylene)heptanal 2-Benzylideneheptanal Pentylcinnamaldehyde 2-(Phenylmethylene)-heptanal Heptanal, 2-(phenylmethylene)- 2-07-00-00310 Amyl cinnamic aldehyde Amylcinnamal Amylcinnamaldehyde Amylcinnamic acid aldehyde alpha-Amyl cinnamicaldehyde alpha-Amyl-beta-phenylacrolein BRN 0511292 EINECS 204-541-5 EINECS 215-565-0 FEMA No. 2061 Flomine Heptanal, 2-benzylidene- Jasminal

Chemical Function

Fragrance

Regulatory Lists

Cleaning products and household care - laundry and fabric treatment - laundry stain remover; detected; Europe Europe Canada; pharmaceutical Canada; pharmaceutical IFRA Transparency food_additive; Substances Added to Food (formerly EAFUS) (2/2019) Europe Cleaning products and household care - air freshener; detected; Europe; Vehicle - car interior - auto air freshener children; Europe; Personal care children; Europe; Personal care - specialized bath products - bath salts children; Europe; Personal care children; Europe; Personal care - general moisturizing - hand/body lotion children; Europe; Personal care children; Europe; Personal care children; detected; Europe; Personal care Cleaning products and household care - dishwasher and dishes; Cleaning products and household care - general household cleaning - surface cleaner; detected; Europe consumer_product; detected; Europe Cleaning products and household care - laundry and fabric treatment - laundry stain remover; detected; Europe

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Amyl Cinnamal safe in cosmetics?

Amyl Cinnamal has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted. 4 toxicological study endpoint(s) are available in our database.

Is Amyl Cinnamal allowed in the EU?

Amyl Cinnamal EU regulatory status: restricted. Maximum allowed concentration: Mandatory labeling in leave-on products at >0.001%; rinse-off >0.01%. This is based on EU Regulation 1223/2009 and its amendments.

What does Amyl Cinnamal do in cosmetics?

Amyl Cinnamal functions as: Fragrance. It is classified as a Fragrance in our database. CAS number: 122-40-7.

What is the NOAEL for Amyl Cinnamal?

The NOAEL (No Observed Adverse Effect Level) for Amyl Cinnamal is 6 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 4 study endpoints are available. Source: COSMOS_DB.

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