Is 2,4-Hexadienol safe in cosmetics?
2,4-Hexadienol has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
2,4-Hexadienol
Also known as: Hexa-2,4-dien-1-ol, n-Hex-2,4-dien-1-ol, hexa-2,4-diene-1-ol, EC 203-853-9, Sorbic alcohol (+6 more)
INCI: 2,4-HEXADIENOL (ALSO KNOWN AS SORBIC ALCOHOL)
2,4-Hexadienol (CAS 111-28-4) is a cosmetic cosmetic ingredient functioning as Fragrance. 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 111-28-4 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
2,4-Hexadienol is classified GHS Danger (H302, H311, H315, H319) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Chemistry & Identifiers
IUPAC Name
hexa-2,4-dien-1-ol
InChIKey
MEIRRNXMZYDVDW-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted as fragrance ingredient
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 2,4-Hexadienol.
Calculate MoS for your specific formulation with the MoS Calculator.
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Regulatory (1)
JECFA Number
1174
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 (1)
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for 2,4-Hexadienol.
Regulatory Flags
fragrance-component
fda_food_additive
Known Synonyms
Hexa-2,4-dien-1-ol
n-Hex-2,4-dien-1-ol
hexa-2,4-diene-1-ol
EC 203-853-9
Sorbic alcohol
EINECS 203-853-9
Hexacose
Hexakose
1-Hydroxy-2,4-hexadiene
Sorbinic alcohol
UNII-11CF2E3HNG
Chemical Function
Fragrance
Flavouring and nutrient
Regulatory Lists
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
Europe
Australian Status
AICIS status: listed
Frequently Asked Questions
Is 2,4-Hexadienol allowed in the EU?
2,4-Hexadienol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 2,4-Hexadienol do in cosmetics?
2,4-Hexadienol functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 111-28-4.
Is 2,4-Hexadienol used outside cosmetics?
2,4-Hexadienol also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does 2,4-Hexadienol have different safety status in cosmetics vs industrial chemicals?
2,4-Hexadienol is classified GHS Danger (H302, H311, H315, H319) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check 2,4-Hexadienol compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent
Same category
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent
Same category
Fragrance (rich woody, orris/iris roo...
3,6-Dimethyl-3-Octyl Acetate
Excellent
Same category
Fragrance / Perfuming agent with flor...
3-Methyl-5-(2,2,3-Trimethyl-3-Cyclopentenyl)Pent-4-En-2-Ol (Sandalore)
Excellent
Same category
Perfuming / Fragrance (sandalwood note)
4-Tert-Butylcyclohexyl Acetate
Excellent
Same category
Fragrance
Acetoin
Excellent
Same category
Skin conditioning, fragrance
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good
Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good
Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good
Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good
Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good
Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good
Similar safety
Antioxidant
1,5-Pentanediol
Good
Chemical family
Solvent
Aminoethylethanolamine
Moderate
Chemical family
Buffering
Butoxyethanol
Moderate
Chemical family
Solvent
Is 2,4-Hexadienol 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 2,4-Hexadienol in your formulation.