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Product Name:Natural Ethyl 2-Methylbutyrate |
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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 |
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CAS: |
121-98-2 |
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MF: |
C9H10O3 |
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MW: |
166.17 |
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EINECS: |
204-513-2 |
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Product Categories: |
Aromatic Esters |
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Mol File: |
121-98-2.mol |
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Melting point |
48-52 °C(lit.) |
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Boiling point |
244-245 °C(lit.) |
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density |
1.1708 (rough estimate) |
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FEMA |
2679 | METHYL ANISATE |
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refractive index |
1.5224 (estimate) |
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Fp |
>230 °F |
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color |
Plates from alcohol. Flakes from EtOH or Et2O |
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Water Solubility |
643.1mg/L(20 ºC) |
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JECFA Number |
884 |
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BRN |
2208571 |
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CAS DataBase Reference |
121-98-2(CAS DataBase Reference) |
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NIST Chemistry Reference |
Benzoic acid, 4-methoxy-, methyl ester(121-98-2) |
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EPA Substance Registry System |
Benzoic acid, 4-methoxy-, methyl ester (121-98-2) |
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Hazard Codes |
Xi |
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Risk Statements |
36/37/38 |
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Safety Statements |
22-24/25 |
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WGK Germany |
2 |
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RTECS |
BZ4925000 |
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TSCA |
Yes |
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HS Code |
29189900 |
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Toxicity |
LD50 orl-rat: >5 g/kg FCTXAV 14,481,76 |
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Chemical Properties |
Natural Ethyl 2-Methylbutyrate has a herbaceous, anise-like odor and a sweet taste similar to melon. |
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Chemical Properties |
Natural Ethyl 2-Methylbutyrate has an herbaceous, anise-like odor and a sweet taste similar to melon. |
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Chemical Properties |
white crystalline mass |
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Definition |
ChEBI: A benzoate ester obtained by the formal condensation of the carboy group of 4-methoxybenzoic acid with methanol. |
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Preparation |
By esterification of anisic acid with methanol or from sodium anisate, dimethyl sulfate and small amounts of methanol. |
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Aroma threshold values |
Aroma characteristics at 10.0%: sweet, creamy, anisic vanillalike, slightly spicy, woody and powdery heliotropine-like. |
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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. |
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Safety Profile |
Low toxicity by ingestion and skincontact. A skin irritant. When heated todecomposition it emits acrid smoke and irritating fumes. |
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Purification Methods |
Distil the ester and/or crystallise it from EtOH. [Beilstein 10 H 159, 10 III 297, 10 IV 360.] |
