Ethyl 2-Methylbutyrate
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Ethyl 2-Methylbutyrate

Ethyl 2-methylbutyrate;E2MB's cas code is 7452-79-1

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Product Description

Ethyl 2-methylbutyrate Basic information


Description References


Product Name:

Ethyl 2-methylbutyrate

Synonyms:

Ethyl 2-methylbutyrate,99%;Ethyl 2-methylbutyra;2-Methylbutanoic acid ethyl ester;2-methyl-butanoicaciethylester;Butanoicacid,2-methyl-,ethylester;Butyric acid, 2-methyl-, ethyl ester;Ethyl alpha-methylbutyrate;Ethyl 2-Methyl butyrate >= 99.0%, Natural

CAS:

7452-79-1

MF:

C7H14O2

MW:

130.18

EINECS:

231-225-4

Mol File:

7452-79-1.mol



Ethyl 2-methylbutyrate Chemical Properties


Melting point 

-93.23°C (estimate)

Boiling point 

133 °C(lit.)

density 

0.865 g/mL at 25 °C(lit.)

FEMA 

2443 | ETHYL 2-METHYLBUTYRATE

refractive index 

n20/D 1.397(lit.)

Fp 

79 °F

storage temp. 

Flammables area

form 

Liquid

color 

Clear colorless

PH

7 (H2O)

JECFA Number

206

BRN 

1720887

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)


Ethyl 2-methylbutyrate Safety Information


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


Ethyl 2-methylbutyrate Usage And Synthesis


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.

Chemical Properties

clear colorless liquid

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.

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.

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.

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.


Ethyl 2-methylbutyrate Preparation Products And Raw materials


Raw materials

Hydrofluoric acid-->Fluoroboric acid-->CARBON MONOXIDE


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