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Ethyl 3-methyl-3-phenylglycidate

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Ethyl 3-methyl-3-phenylglycidate Basic information

Product Name:
Ethyl 3-methyl-3-phenylglycidate
Synonyms:
  • 2,3-epoxy-3-phenyl-butanoicaciethylester
  • 2,3-Epoxy-3-phenylbutyric acid, ethyl ester
  • 3-methyl-3-phenyl-oxiranecarboxylicacid,ethylester
  • 3-methyl-3-phenyl-oxiranecarboxylicacidethylester
  • 3-methyl-3-phenyl-oxiranecarboxylicaciethylester
  • alpha,beta-Epoxy-beta-methylhydrocinnamic acid, ethyl ester
  • alpha,beta-epoxy-beta-methylhydrocinnamicacid,ethylester
  • alpha,beta-epoxy-beta-methyl-hydrocinnamicaciethylester
CAS:
77-83-8
MF:
C12H14O3
MW:
206.24
EINECS:
201-061-8
Mol File:
77-83-8.mol
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Ethyl 3-methyl-3-phenylglycidate Chemical Properties

Boiling point:
272-275 °C(lit.)
Density 
1.087 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.505(lit.)
FEMA 
2444 | ETHYL METHYLPHENYLGLYCIDATE
Flash point:
>230 °F
storage temp. 
2-8°C
form 
clear liquid
color 
Colorless to Light orange to Yellow
Odor
at 100.00 %. sweet fruity strawberry floral honey fatty
Odor Type
fruity
JECFA Number
1577
BRN 
12299
LogP
2.43
CAS DataBase Reference
77-83-8(CAS DataBase Reference)
NIST Chemistry Reference
Glycidic acid, 3-methyl-3-phenyl, ethyl ester(77-83-8)
EPA Substance Registry System
Ethyl methylphenylglycidate (77-83-8)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
10-36/37/38
Safety Statements 
16-26-36/37/39
RIDADR 
UN 1993 3/PG 3
WGK Germany 
2
RTECS 
MW5250000
TSCA 
Yes
HS Code 
29189090
Hazardous Substances Data
77-83-8(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 5470 mg/kg

MSDS

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Ethyl 3-methyl-3-phenylglycidate Usage And Synthesis

Chemical Properties

clear yellow liquid

Chemical Properties

Ethyl 3-Methyl-3-phenylglycidate exists as two optically active pairs of cis- and trans-isomers; each isomer has a characteristic odor . The commercial product is a racemic mixture of all four isomers and has a strong, sweetish, strawberry odor. The cis/trans ratio obtained in the Darzens condensation of acetophenone (R==CH3) and ethyl chloroacetate depends on the base used in the reaction.

Chemical Properties

Ethyl methylphenylglycidate on dilution has a strong fruity odor suggestive of strawberry. It has a characteristic, slightly acid taste reminiscent of strawberry.

Chemical Properties

Perennial, herbaceous plant; grows wild or cultivated in central–southern Europe, North America and Asia. The plant grows 10 to 20 cm (4 to 8 in.) in height and has thick rhizomes; radical leaves with long, small, white flowers blossoming from April to July; and fleshy, ovoidal, red berries covered with numerous achenes. The only part used is the berries. Strawberry has a sweet–sour taste and a characteristic odor.

Occurrence

Has apparently not been reported to occur in nature.

Uses

Ethyl 3-Methyl-3-phenylglycidate, also known as “strawberry aldehyde”, is commonly used in the flavor industry for artificial fruit flavors, in particular strawberry.

Uses

Ethyl 3-methyl-3-phenylglycidate is a synthetic flavoring agent that is a glycidic acid ester. It is a colorless to pale yellow liquid with a strong fruit odor suggestive of strawberries. It is unstable to alkali and moderately stable to weak organic acids. It should be stored in glass, tin, or aluminum containers. It is soluble in fixed oils and in propylene glycol. It is used in flavors for strawberry note and has application in candy, beverages, and ice cream at 6–20 ppm. It is also termed aldehyde c-16.

Uses

Perfumery, flavors.

Preparation

By reaction of acetophenone and the ethyl ester of monochloroacetic acid in the presence of an alkaline condensing agent.

Definition

ChEBI: Phenylmethylglycidic ester is a carboxylic acid and an epoxide.

Composition

Strawberry aroma has been the subject of extensive investigation. Several components have been identified, of which only 7% appear to be responsible for the aroma. Strawberry aroma varies widely with the strawberry variety. The most valuable part, aroma, is from wild strawberry.

Aroma threshold values

Detection: 2 ppm

Taste threshold values

Taste characteristics at 1 and 5% sucrose: sweet, ripe, strawberry jam and preserve notes.

Taste threshold values

Taste characteristics at 50 ppm: sweet, berry, strawberry, fruity, tutti-frutti and floral nuances

General Description

Clear, colorless to yellowish liquid with a strawberry-like odor.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Esters, such as Ethyl 3-methyl-3-phenylglycidate, 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.

Fire Hazard

Ethyl 3-methyl-3-phenylglycidate is probably combustible.

Trade name

Strawberry pure (Givaudan)

Safety Profile

Mddly toxic by ingestion. Mutation data reported. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ALDEHYDES.

Ethyl 3-methyl-3-phenylglycidate Preparation Products And Raw materials

Raw materials

Ethyl 3-methyl-3-phenylglycidateSupplier

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