2-Undecenol

Also known as: EINECS 253-569-4, 1-Hydroxy-2-undecene

INCI: 2-UNDECENOL

2-Undecenol (CAS 37617-03-1) 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.

View industrial chemical safety profile for CAS 37617-03-1 →

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

Chemistry & Identifiers

Formula
C11H22O
MW
170.29 g/mol
PubChem CID
5365004
IUPAC Name
(E)-undec-2-en-1-ol
InChIKey
SKBIQKQBLQHOSU-MDZDMXLPSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted by FDA; RIFM assessment available

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-Undecenol.

Calculate MoS for your specific formulation with the MoS Calculator.

PubChem Annotations

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

Regulatory (3)
JECFA Number
1384
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
1-HYDROXY-2-UNDECENE | 2008 | No safety concern at current levels of intake when used as a flavouring agent | ">RS 952-JECFA 69/151 | ">FAS 60-JECFA 69/628
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
2-UNDECEN-1-OL | 2008 | No safety concern at current levels of intake when used as a flavouring agent | ">RS 952-JECFA 69/151 | ">FAS 60-JECFA 69/628
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-Undecenol.

Regulatory Flags

fragrance-component fda_food_additive

Known Synonyms

EINECS 253-569-4 1-Hydroxy-2-undecene

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-Undecenol safe in cosmetics?

2-Undecenol has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is 2-Undecenol allowed in the EU?

2-Undecenol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Undecenol do in cosmetics?

2-Undecenol functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 37617-03-1.

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
2-Undecenal
Moderate Browse nearby
Fragrance
2-Undecenenitrile
Good Browse nearby
Fragrance
2-m-Cresylethanol
Good Browse nearby
Fragrance (perfuming)

Is 2-Undecenol 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-Undecenol in your formulation.