Ingredient Dictionary

METHYL UNDECENOATE

Methyl undecenate is a fatty acid methyl ester of 10-undecenoic acid.

Definition

Methyl undecenate is a fatty acid methyl ester of 10-undecenoic acid. It has a role as a metabolite. It is functionally related to a 10-undecenoic acid.

Source: PubChem

US FDA substance register · UNII RWN4DY6S6T · registered name METHYL UNDECYLENATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMINGReduces body odourDEODORANT

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

METHYL UNDECENOATEINCI메틸운데실레네이트Korean label name (MFDS standard)10-Undecenoic acid, methyl esterSynonymMETHYL UNDECYLENATESynonym

CAS No.chemical registry number: 111-81-9
EC No.EU chemical inventory number: 203-910-8
DTXSIDUS EPA chemical ID: DTXSID5046566
DTXCIDUS EPA compound ID: DTXCID3026566

IUPAC: Methyl undec-10-enoate
Molecular formula: C12H22O2
Molecular weight: 198.306 g/mol

Measured properties

Appearance: Solid · Colourless liquid, Oily aroma
Boiling point: 245.00 to 248.00 °C. @ 760.00 mm Hg · 243-247 °C
Melting point: 27.5 °C
Solubility: slightly · Slightly soluble in water
Density: 0.885-0.891 (20 °C)
Melting/freezing point: -27.5 ℃
Initial boiling point and range: 248 ℃
Flash point: 99 ℃
Vapour pressure: 0.026 ㎜Hg ((25℃))
Relative density: 0.889 ((20℃))
n-Octanol/water partition coefficient (Kow): 4.660
Auto-ignition temperature: 250 ℃
Molecular weight: 198.31

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 20 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance18
Deodorizer1
Flavouring and nutrient1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 1 eye studies are on record.

Classed as low2

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 3 studies

Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation)
Moderate or Mild Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to