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Home > Encyclopedia > Ethyl 3-methyl-3-phenylglycidate

Ethyl 3-methyl-3-phenylglycidate

Ethyl 3-methyl-3-phenylglycidate structure

Ethyl 3-methyl-3-phenylglycidate 

structure
  • CAS No:

    77-83-8

  • Formula:

    C12H14O3

  • Chemical Name:

    Ethyl 3-methyl-3-phenylglycidate

  • Synonyms:

    2-Oxiranecarboxylic acid,3-methyl-3-phenyl-,ethyl ester;Hydrocinnamic acid,α,β-epoxy-β-methyl-,ethyl ester;Oxiranecarboxylic acid,3-methyl-3-phenyl-,ethyl ester;Aldehyde C16;Ethyl α,β-epoxy-β-methylhydrocinnamate;Ethyl methylphenylglycidate;Fraeseol;3-Methyl-3-phenylglycidic acid ethyl ester;Strawberry aldehyde;Ethyl 3-methyl-3-phenylglycidate;NSC 27905;Ethyl 3-methyl-3-phenyloxirane-2-carboxylate;FRAISE PURE;1322-04-9

  • Categories:

    Cosmetic Ingredient  >  Perfuming

Description

clear yellow liquid 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. Ethyl methylphenylglycidate on dilution has a strong fruity odor suggestive of strawb


3-methyl-3-phenylglycidic acid ethyl ester is a clear, colorless to yellowish liquid with a strawberry-like odor. (NTP, 1992)|Liquid|Colourless to pale yellow liquid; Strong fruity aroma suggestive of strawberry


3-methyl-3-phenylglycidic acid ethyl ester is a clear, colorless to yellowish liquid with a strawberry-like odor. (NTP, 1992)|Phenylmethylglycidic ester is a carboxylic acid and an epoxide.

Ethyl 3-methyl-3-phenylglycidate Basic Attributes

206.24

206.24

12299

201-061-8

251076|27905

DTXSID8020591

COLORLESS TO PALE-YELLOW LIQUID

29189090

Characteristics

38.83000

2.43

3-methyl-3-phenylglycidic acid ethyl ester is a clear, colorless to yellowish liquid with a strawberry-like odor. (NTP, 1992)

1.0442 g/cm3 @ Temp: 20 °C

272-275 °C

>230 °F

1.525

1:3 & MORE IN 70% ALCOHOL; 1:2 IN 80% ALC; INSOL IN WATER; SOL IN MOST ORGANIC SOLVENTS

Store below +30°C.

LD50 orally in Rabbit: 5470 mg/kg

ON DILUTION, STRONG FRUITY ODOR

CHARACTERISTIC SLIGHTLY ACID TASTE REMINISCENT OF STRAWBERRY

ACID VALUE: NOT MORE THAN 2 (0.9); KETONE CONTENT: 1% MAX (AS C8-H8-O)

Insoluble in water.

Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters

Esters, such as 3-METHYL-3-PHENYLGLYCIDIC ACID ETHYL ESTER, 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.

Safety Information

UN 1993 3/PG 3

2

10-36/37/38

16-26-36/37/39

MW5250000

Xi

Stable under normal temperatures and pressures.

P261-P305 + P351 + P338

H226-H315-H319-H335

CODE OF FEDERAL REGULATIONS TITLE 21, SECTION 182.60.|...APPROVED BY THE FDA FOR FOOD USE (CODE OF FEDERAL REGULATIONS TITLE 21, SECTION 121.1164).

This chemical is probably combustible. (NTP, 1992)

|Warning|H317 (79.35%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P273, P280, P302+P352, P321, P333+P313, P363, P391, and P501|Aggregated GHS information provided by 1865 companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)

SMALL SPILLS AND LEAKAGE: If you spill this chemical, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with alcohol followed by washing with a strong soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned. STORAGE PRECAUTIONS: You should store this material in a refrigerator. (NTP, 1992)

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

Drug Information

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment. INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing. INGESTION: DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital. (NTP, 1992)

ETHYL METHYLPHENYLGLYCIDATE TESTED @ 1% CONCN IN PETROLATUM PRODUCED NO IRRITATION AFTER 48-HR CLOSED-PATCH TEST IN 25 HUMAN SUBJECTS...AND PRODUCED NO SENSITIZATION REACTIONS...

ethyl 2,3-epoxy-3-phenylbutyrate

Ethyl 3-methyl-3-phenylglycidate Use and Manufacturing

Methods of Manufacturing

The product is obtained by condensation of ethyl chloroacetate and acetophenone in the presence of sodium amide or sodium ethoxide, after the reaction is neutralized, washed with water, separated, firstly distilled under normal pressure, and then distilled under reduced pressure.

Uses

This product has a strong bayberry fragrance. It is usually used as a raw material for the preparation of bayberry essence after dilution. It is also used in cosmetics. When blending floral stains for cosmetics such as roses, hyacinths and cyclamen, add a small amount of this product. Can produce special effects.


Odor agents


Air care products

Production

100,000 - 500,000 lb

GRADE: FCC (AS ALDEHYDE C-16)

Soap, cleaning compound, and toilet preparation manufacturing|2-Oxiranecarboxylic acid, 3-methyl-3-phenyl-, ethyl ester: ACTIVE|ASSAY: 98% MIN (99%). EOA SPECIFICATIONS & STANDARDS, ESSENTIAL OIL ASSOC OF USA, INC, 60 EAST 42ND ST, NEW YORK, 10017.|NON-ALCOHOLIC BEVERAGES 5.6 PPM; ICE CREAM, ICES, ETC 6.7 PPM; CANDY 21 PPM; BAKED GOODS 18 PPM; GELATINS & PUDDINGS 13 PPM; CHEWING GUM 470 PPM.|CONCN IN FINAL PRODUCT (%): USUAL: SOAP, 0.01; DETERGENT, 0.005; CREAMS, LOTIONS, 0.001; PERFUME, 0.03. MAXIMUM: SOAP, 0.05; DETERGENT, 0.05; CREAMS, LOTIONS, 0.01; PERFUME, 0.05.|FEMA NUMBER 2444|FLAVOR USEFUL IN STRAWBERRY, APPLE; BLENDS WELL WITH ALDEHYDE C-14.

Food additives -> Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT; -> JECFA Functional Classes|Flavoring Agents -> JECFA Flavorings Index|Cosmetics -> Viscosity controlling

Flavoring Agents|Flavouring Agent -> FLAVOURING_AGENT;

Computed Properties

Molecular Weight:206.24
XLogP3:1.9
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:4
Exact Mass:206.094294304
Monoisotopic Mass:206.094294304
Topological Polar Surface Area:38.8
Heavy Atom Count:15
Complexity:245
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

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