Natural Ethyl 2-Methylbutyrate

Product Name:Natural Ethyl 2-Methylbutyrate

Synonyms:

4-methoxy-benzoicacimethylester;Benzoic acid, p-methoxy-, methyl ester;Benzoicacid,4-methoxy-,methylester;Methyl ester of p-Methoxybenzoic acid;p-Methoxybenzoic acid methyl ester;p-methoxy-benzoicacimethylester;4-METHOXYBENZOIC ACID METHYL ESTER;METHYL P-METHOXYBENZOATE

CAS:

121-98-2

MF:

C9H10O3

MW:

166.17

EINECS:

204-513-2

Product Categories:

Aromatic Esters

Mol File:

121-98-2.mol

Melting point 

48-52 °C(lit.)

Boiling point 

244-245 °C(lit.)

density 

1.1708 (rough estimate)

FEMA 

2679 | METHYL ANISATE

refractive index 

1.5224 (estimate)

Fp 

>230 °F

color 

Plates from alcohol. Flakes from EtOH or Et2O

Water Solubility 

643.1mg/L(20 ºC)

JECFA Number

884

BRN 

2208571

CAS DataBase Reference

121-98-2(CAS DataBase Reference)

NIST Chemistry Reference

Benzoic acid, 4-methoxy-, methyl ester(121-98-2)

EPA Substance Registry System

Benzoic acid, 4-methoxy-, methyl ester (121-98-2)

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

22-24/25

WGK Germany 

2

RTECS 

BZ4925000

TSCA 

Yes

HS Code 

29189900

Toxicity

LD50 orl-rat: >5 g/kg FCTXAV 14,481,76

Chemical Properties

Natural Ethyl 2-Methylbutyrate has a herbaceous, anise-like odor and a sweet taste similar to melon.

Chemical Properties

Natural Ethyl 2-Methylbutyrate has an herbaceous, anise-like odor and a sweet taste similar to melon.

Chemical Properties

white crystalline mass

Definition

ChEBI: A benzoate ester obtained by the formal condensation of the carboy group of 4-methoxybenzoic acid with methanol.

Preparation

By esterification of anisic acid with methanol or from sodium anisate, dimethyl sulfate and small amounts of methanol.

Aroma threshold values

Aroma characteristics at 10.0%: sweet, creamy, anisic vanillalike, slightly spicy, woody and powdery heliotropine-like.

Taste threshold values

Taste characteristics at 10 ppm: spicy, sweet, anisic-like with a woody vanilla, licorice and methyl salicylate nuances and with a lingering sweet coumarin vanilla aftertaste.

Safety Profile

Low toxicity by ingestion and skincontact. A skin irritant. When heated todecomposition it emits acrid smoke and irritating fumes.

Purification Methods

Distil the ester and/or crystallise it from EtOH. [Beilstein 10 H 159, 10 III 297, 10 IV 360.]