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Methyl 2-methylbutyrate

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Methyl 2-methylbutyrate Basic information

Product Name:
Methyl 2-methylbutyrate
CAS:
868-57-5
MF:
C6H12O2
MW:
116.16
EINECS:
212-778-0
Mol File:
868-57-5.mol
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Methyl 2-methylbutyrate Chemical Properties

Melting point:
-91°C (estimate)
Boiling point:
115 °C(lit.)
Density 
0.88 g/mL at 25 °C(lit.)
FEMA 
2719 | METHYL 2-METHYLBUTYRATE
refractive index 
n20/D 1.393(lit.)
Flash point:
90 °F
form 
Liquid
JECFA Number
205
BRN 
1720409
CAS DataBase Reference
868-57-5(CAS DataBase Reference)
NIST Chemistry Reference
Butanoic acid, 2-methyl-, methyl ester(868-57-5)
EPA Substance Registry System
Butanoic acid, 2-methyl-, methyl ester (868-57-5)
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Safety Information

Risk Statements 
10-11
Safety Statements 
16-23-33-29-7/9
RIDADR 
UN 3272 3/PG 3
WGK Germany 
2
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29159000

MSDS

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Methyl 2-methylbutyrate Usage And Synthesis

Description

Methyl 2-methylbutyrate has a pungent, fruity odor with a sweet, fruity, apple-like taste at low levels. May be prepared from a mixture of esters including methyl 2-methylbutyrate; is obtained from isobutene, CO, and methanol under pressure, or from butene, CO, and an acid catalyst under pressure.

Chemical Properties

Methyl-2-methylbutyrate has a sweet, fruity, apple-like odor and an apple-like taste at low concentrations.

Occurrence

The levorotatory and the racemic forms are known. Reported found in fresh strawberry juice, apple, apricot, sour cherry, melon, pineapple, peas, baked potato, peppermint oil, spearmint oil, thymus, durian (Durio zibethinus), olive, mushroom, starfruit, prickly pear, dill herb, cashew apple, cherimoya, loquat, mountain papaya, cape gooseberry and rooibus tea (Aspalathus linearis). bilberry, strawberry, and cheeses

Preparation

A mixture of esters including methyl-2-methylbutyrate is obtained from isobutene, CO and methanol under pressure, or from butene, CO and an acid catalyst under pressure.

Aroma threshold values

Detection: 0.92 to 4.4 ppb

Taste threshold values

Taste characteristics at 7.5 ppm: sweet, berry, pineapple, etherial, lifting, fruity, tutti-fruitti and ripe with a fatty, green nuance

Methyl 2-methylbutyrate Preparation Products And Raw materials

Raw materials

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J & K SCIENTIFIC LTD.
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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Alfa Aesar
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TCI (Shanghai) Development Co., Ltd.
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BeiJing Hwrk Chemicals Limted
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