Description References
ChemicalBook > CAS DataBase List > Ethyl 2-methylbutyrate

Ethyl 2-methylbutyrate

Description References
Product Name
Ethyl 2-methylbutyrate
CAS No.
7452-79-1
Chemical Name
Ethyl 2-methylbutyrate
Synonyms
ETHYL 2-METHYLBUTANOATE;2-Methylbutanoic acid ethyl ester;Ethyl 2-methyl butynate;FEMA 2443;ETHYL-2-METHYL BUTYRATE, NATURAL;ethyl-2-methylbutyrate(flammableliquids,n.o.s.);RARECHEM AL BI 0133;Ethyl 2-Methylbutyr;Ethyl 2-methylbutyra;Ethyl-2-methylbutyrat
CBNumber
CB6704735
Molecular Formula
C7H14O2
Formula Weight
130.18
MOL File
7452-79-1.mol
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Ethyl 2-methylbutyrate Property

Melting point:
-93.23°C (estimate)
Boiling point:
133 °C (lit.)
Density 
0.865 g/mL at 25 °C (lit.)
vapor pressure 
11.73hPa at 20℃
FEMA 
2443 | ETHYL 2-METHYLBUTYRATE
refractive index 
n20/D 1.397(lit.)
Flash point:
79 °F
storage temp. 
Sealed in dry,Room Temperature
form 
Liquid
color 
Clear colorless
PH
7 (H2O)
Odor
at 10.00 % in dipropylene glycol. sharp sweet green apple fruity
Odor Type
fruity
biological source
synthetic
optical activity
Consistent with structure
Water Solubility 
600mg/L at 20℃
JECFA Number
206
BRN 
1720887
LogP
2 at 20℃
CAS DataBase Reference
7452-79-1(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, 2-methyl-, ethyl ester(7452-79-1)
EPA Substance Registry System
Ethyl 2-methylbutyrate (7452-79-1)
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Safety

Risk Statements 
10
Safety Statements 
16-24/25
RIDADR 
UN 3272 3/PG 3
WGK Germany 
1
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29159080
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W244317
Product name
Ethyl 2-methylbutyrate
Purity
natural, mixture of enantiomers, ≥98%, FCC, FG
Packaging
1 unit
Price
$60.5
Updated
2025/07/31
Sigma-Aldrich
Product number
W244317
Product name
Ethyl 2-methylbutyrate
Purity
natural, mixture of enantiomers, ≥98%, FCC, FG
Packaging
1 unit
Price
$60.5
Updated
2025/07/31
Sigma-Aldrich
Product number
W244317
Product name
Ethyl 2-methylbutyrate
Purity
natural, mixture of enantiomers, ≥98%, FCC, FG
Packaging
1kg
Price
$181
Updated
2025/07/31
Sigma-Aldrich
Product number
W244317
Product name
Ethyl 2-methylbutyrate
Purity
natural, mixture of enantiomers, ≥98%, FCC, FG
Packaging
4kg
Price
$580
Updated
2025/07/31
Sigma-Aldrich
Product number
W244317
Product name
Ethyl 2-methylbutyrate
Purity
natural, mixture of enantiomers, ≥98%, FCC, FG
Packaging
20kg
Price
$2290
Updated
2025/07/31
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Ethyl 2-methylbutyrate Chemical Properties,Usage,Production

Description

Ethyl 2-methylbutyrate is the ethyl ester form of the 2-methylbutyrate with pleasant sweet aroma. It is a naturally occurring ester which is found in apple, wine, orange, strawberry, cheese, milk, mango, cognac, etc. It is a highly valuable flavoring agent used in flavoring in foods and beverages as well as fragrance in perfume and perfumed products. It is generally prepared through the esterification between alcohol and 2-methylbutyrate.

References

Dimick, Paul S., Jonathan C. Hoskin, and Terry E. Acree. "Review of apple flavor—State of the art∗." Critical Reviews in Food Science & Nutrition 18.4 (1983): 387-409.
Konczal, J. B., et al. "Apple juice flavor compound sorption by sealant films."Journal of food science 57.4 (1992): 967-970.
Djojoputro, Hiannie, and Suryadi Ismadji. "Density and viscosity of binary mixtures of ethyl-2-methylbutyrate and ethyl hexanoate with methanol, ethanol, and 1-propanol at (293.15, 303.15, and 313.15) K." Journal of Chemical & Engineering Data 50.4 (2005): 1343-1347.

Chemical Properties

Ethyl 2-Methylbutyrate is a liquid with a green, fruity odor reminiscent of apples. It is found, for example, in citrus fruits and wild berries and is used in fruit flavor compositions.

Chemical Properties

Ethyl 2-methylbutyrate has a powerful, green-fruity, apple-like odor.

Chemical Properties

clear colorless liquid

Occurrence

Reported found in nature; the ethyl l-methylbutyrate has been identified in strawberry juice; because of the presence of the asymmetric carbon, the compound should exhibit optically active forms as well as the racemic form; however, only the d-form and the racemic form are known. Reported found in apple juice, orange and grapefruit juice, bilberry, pineapple, strawberry, cheeses, milk, cognac, rum, whiskey, cider, mango, mountain papaya, spineless monkey orange (Strychnos madagasc.), Chinese quince and German chamomile oil.

Uses

Ethyl 2-Methylbutyrate-d9 is deuterium labelled ethyl 2-methylbutyrate, which is an ester that has a sweet, apple-like aroma. Ethyl 2-methylbutyrate is naturally found in apples, cherries and orange juice.

Preparation

The racemic form can be prepared catalytically by several methods: from butene and Ni(CO)4 under nitrogen in ethyl alcohol/acetic acid solution, or from ethylene and CO under pressure using HBF4 and HF as catalysts.

Definition

ChEBI: 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 plant metabolite, a human metabolite and a fragrance. It is a volatile organic compound and a fatty acid ethyl ester. It is functionally related to an ethanol and a 2-methylbutyric acid.

Aroma threshold values

Detection: 0.01 to 0.1 ppb

Taste threshold values

Taste characteristics at 40 ppm: fruity, green, berry, strawberry, fresh apple, pineapple and raspberry

General Description

A colorless oily liquid with a fruity odor. Insoluble in water and less dense than water. Flash point 73°F. Contact may irritate skin, eyes and mucous membranes.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

ETHYL-2-METHYL BUTYRATE is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.

Health Hazard

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Flammability and Explosibility

Non flammable

Safety Profile

Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

Solubility in organics

Very slightly soluble in water, soluble in alcohol and Propylene glycol, miscible with perfume and flavor oils.

Ethyl 2-methylbutyrate Preparation Products And Raw materials

Raw materials

CARBON MONOXIDE Fluoroboric acid Hydrogen fluoride

Preparation Products

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View Lastest Price from Ethyl 2-methylbutyrate manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Ethyl 2-methylbutyrate 7452-79-1
Price
US $0.00/KG
Min. Order
25KG
Purity
99%min
Supply Ability
30tons/month
Release date
2023-01-14
Hebei Chuanghai Biotechnology Co., Ltd
Product
Ethyl 2-methylbutyrate 7452-79-1
Price
US $30.00-10.00/KG
Min. Order
50KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-24
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Ethyl 2-methylbutyrate 7452-79-1
Price
US $30.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-04-30

7452-79-1, Ethyl 2-methylbutyrateRelated Search:

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