Styralyl acetate

Styralyl acetate Basic information
Product Name:Styralyl acetate
Synonyms:ALPHA-METHYLBENZYL ACETATE;A-METHYLBENZYL ACETATE;METHYLBENZYL ACETATE;METHYL PHENYL CARBINYL ACETATE;FEMA 2684;A-PHENYLETHYL ACETATE;METHYL ACETATE 98+%;1-Phenylethylacetat
CAS:93-92-5
MF:C10H12O2
MW:164.2
EINECS:202-288-5
Product Categories:
Mol File:93-92-5.mol
Styralyl acetate Structure
Styralyl acetate Chemical Properties
Melting point -60°C
Boiling point 94-95 °C12 mm Hg(lit.)
density 1.028 g/mL at 25 °C(lit.)
vapor pressure 5.5Pa at 20℃
refractive index n20/D 1.494(lit.)
FEMA 2684 | ALPHA-METHYLBENZYL ACETATE
Fp 196 °F
storage temp. Sealed in dry,Room Temperature
form neat
Odorat 10.00 % in dipropylene glycol. green leafy gardenia rhubarb musty
Odor Typegreen
Water Solubility 1.27g/L at 20℃
JECFA Number801
LogP2.5
CAS DataBase Reference93-92-5(CAS DataBase Reference)
NIST Chemistry ReferenceBenzenemethanol, «alpha»-methyl-, acetate(93-92-5)
EPA Substance Registry SystemBenzenemethanol, .alpha.-methyl-, acetate (93-92-5)
Safety Information
Safety Statements 24/25
RIDADR NA 1993 / PGIII
WGK Germany 1
RTECS DO9410000
Autoignition Temperature450 °C
HS Code 2915 39 00
ToxicityLD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 5000 mg/kg
MSDS Information
ProviderLanguage
Styralyl acetate English
ACROS English
SigmaAldrich English
Styralyl acetate Usage And Synthesis
Descriptionα-Methylbenzyl acetate has an intensive green odor suggestive of gardenia with a bitter, acrid taste, interesting on dilution. May be prepared by acetylation of methyl phenyl carbinol; from benzaldehyde by reacting with magnesium methyl bromide and subsequent acetylation; from 1-bromoethylbenzene and silver acetate in acetic acid.
Chemical Propertiesα-Methylbenzyl acetate has an intensive green odor suggestive of gardenia and a bitter, acrid taste, interesting on dilution.
Chemical PropertiesCLEAR COLOURLESS TO PALE YELLOWISH LIQUID
OccurrenceReported found in gardenia flower oil and avocado.
UsesPerfumery, flavoring.
UsesStyralyl Acetate is a freshening compound with Alkoxylated Phenols.
DefinitionChEBI: 1-Phenylethyl acetate is a carboxylic ester. It is functionally related to a benzyl alcohol.
PreparationBy acetylation of methyl phenyl carbinol; from benzaldehyde by reacting with magnesium methyl bromide and subse quent acetylation; from 1-bromoethylbenzene and silver acetate in acetic acid.
Taste threshold valuesTaste characteristics at 12.0 ppm: fruity, berry, green, seedy and slightly nutty.
Synthesis Reference(s)Journal of the American Chemical Society, 88, p. 1833, 1966 DOI: 10.1021/ja00960a057
Synthetic Communications, 8, p. 33, 1978 DOI: 10.1080/00397917808062180
Flammability and ExplosibilityNonflammable
MetabolismAlthough no published data exist on the metabolism of methylphenylcarbinyl acetate, it is likely that hydrolysis to the carbinol and acetic acid is the initial step. Williams (1959) reports studies in which 50% of a dose of (±)-methylphenylcarbinol given to rabbits was excreted as the glucuronide in the urine within 24 hr. There was some evidence of oxidation and demethylation, as mandelic and hippuric acids were found in the urine. Previously, El Masry, Smith
Styralyl acetate Preparation Products And Raw materials
Raw materialsPhenethyl alcohol-->METHYLBENZYL ALCOHOL(SG)
PHENYL ACETATE 2',7'-DICHLOROFLUORESCEIN Dimethylbenzylcarbinyl acetate FLUORESCEIN Magnesium acetate POLY(VINYL ACETATE) 1-Phenylethyl propionate Cellulose acetate (-)-O-ACETYL-D-MANDELIC ACID Butyl acetate Isopropyl acetate ACETATE Ethyl acetate Thymolphthalein Complexone Triacetin Styralyl acetate Benzyl acetate Methyl acetate

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