trans-3-Hexenal

Also known as: Cis-3-Hexenal

INCI: TRANS-3-HEXENAL / (E)-HEX-3-ENAL

trans-3-Hexenal (CAS 6789-80-6) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient (intense green, leafy, fresh-cut grass aroma). 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 6789-80-6 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance ingredient (intense green, leafy, fresh-cut grass aroma)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C6H10O
MW
98.14 g/mol
PubChem CID
643941
IUPAC Name
(Z)-hex-3-enal
InChIKey
GXANMBISFKBPEX-ARJAWSKDSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted as fragrance; FEMA GRAS for food use

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for trans-3-Hexenal.

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 1350 - -

PubChem Annotations

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

Regulatory (2)
JECFA Number
316
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
cis-3-HEXENAL | 1998 | No safety concern at current levels of intake when used as a flavouring agent | TRS 891-JECFA 51/68 | FAS 42-JECFA 51/267
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 trans-3-Hexenal.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive

Known Synonyms

Cis-3-Hexenal

Chemical Function

Fragrance Flavouring and nutrient

Regulatory Lists

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

Australian Status

AICIS status: listed

Frequently Asked Questions

Is trans-3-Hexenal safe in cosmetics?

trans-3-Hexenal has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is trans-3-Hexenal allowed in the EU?

trans-3-Hexenal EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does trans-3-Hexenal do in cosmetics?

trans-3-Hexenal functions as: Fragrance ingredient (intense green, leafy, fresh-cut grass aroma). It is classified as a cosmetic ingredient in our database. CAS number: 6789-80-6.

Is trans-3-Hexenal used outside cosmetics?

trans-3-Hexenal 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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Fragrance ingredient
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