Ingredient Dictionary

ETHYL 2-METHYLBUTYRATE

Ethyl 2-methylbutyrate is a fatty acid ethyl ester obtained by the formal condensation of 2-methylbutyric acid with ethanol.

How much products actually contain

No product states its amount yet.

Of the products containing it, 0 list it before the 1% line and 10 after it (usually 1% or less).

Products using this ingredient

10 of 10 confirmed · likeliest to carry enough first

Definition

Ethyl 2-methylbutyrate is a fatty acid ethyl ester obtained by the formal condensation of 2-methylbutyric acid with ethanol. It is a constituent of the aroma of wines, strawberries, blueberries, and apples. It has a role as a flavouring agent, a fragrance, a plant metabolite and a human metabolite. It is a volatile organic compound and a fatty acid ethyl ester. It is functionally related to an ethanol and a 2-methylbutyric acid.

Source: PubChem

US FDA substance register · UNII L1T4AB29DS · registered name Ethyl 2-methylbutyrate · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

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

ETHYL 2-METHYLBUTYRATEINCI에틸2-메틸부티레이트Korean label name (MFDS standard)Butanoic acid, 2-methyl-, ethyl esterSynonym

CAS No.chemical registry number: 7452-79-1
EC No.EU chemical inventory number: 231-225-4
DTXSIDUS EPA chemical ID: DTXSID3052488
DTXCIDUS EPA compound ID: DTXCID4031061

IUPAC: Ethyl 2-methylbutanoate
Molecular formula: C7H14O2
Molecular weight: 130.187 g/mol

Measured properties

Appearance: Ethyl-2-methyl butyrate appears as a colorless oily liquid with a fruity odor. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. · Dry Powder, Liquid, CBI
Boiling point: 132.00 to 133.00 °C. @ 760.00 mm Hg · 133 °C
Solubility: soluble in alcohol, propylene glycol, very slightly soluble in water, miscible with most fixed oils · (in ethanol)
Density: 0.863-0.870
Colour: colourless
Initial boiling point and range: 133 ℃
Flash point: 26 ℃
Vapour density: 4.49
Relative density: 0.86
Viscosity: 0.68 cP (at 25 ℃)
Molecular weight: 130.19

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 303 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.

Fragrance299
Flavouring and nutrient2
Deodorizer2

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 · other guideline: OECD 402 according to
Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation)
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to