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℃

FEMA 

2684 | ALPHA-METHYLBENZYL ACETATE

refractive index 

n20/D 1.494(lit.)

Flash point:

196 °F

storage temp. 

Sealed in dry,Room Temperature

solubility 

Almost insoluble in water, soluble in alcohol and oils.

form 

liquid

Specific Gravity

1.04

color 

Colorless

Odor

at 10.00 % in dipropylene glycol. green leafy gardenia rhubarb musty

Odor Type

green

Water Solubility 

1.27g/L at 20℃

JECFA Number

801

LogP

2.5

CAS DataBase Reference

93-92-5(CAS DataBase Reference)

NIST Chemistry Reference

Benzenemethanol, «alpha»-methyl-, acetate(93-92-5)

EPA Substance Registry System

Benzenemethanol, .alpha.-methyl-, acetate (93-92-5)

Safety Information

Safety Statements 

24/25

RIDADR 

NA 1993 / PGIII

WGK Germany 

1

RTECS 

DO9410000

Autoignition Temperature

450 °C

HS Code 

2915 39 00

Toxicity

LD50 orally in Rabbit: > 5000 mg/kg LD50 dermal Rabbit > 5000 mg/kg

MSDS

• Language:English Provider:Styralyl acetate
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

Styralyl acetate Usage And Synthesis

Description

α-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 Properties

α-Methylbenzyl acetate has an intensive green odor suggestive of gardenia and a bitter, acrid taste, interesting on dilution.

Chemical Properties

CLEAR COLOURLESS TO PALE YELLOWISH LIQUID

Occurrence

Reported found in gardenia flower oil and avocado.

Uses

Styralyl Acetate is a freshening compound with Alkoxylated Phenols.
Styralyl acetate finds extensive use in flavor compositions, particularly the "sharp"-fruity types, Pineapple, Apricot, Gooseberry, Apple, but also in Plum, Peach and many berry or fruit complexes.
The concentration is about 1 to 30 ppm in the finished product.

Definition

ChEBI: 1-Phenylethyl acetate is a carboxylic ester. It is functionally related to a benzyl alcohol.

Preparation

By 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 values

Taste 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 Explosibility

Non flammable

Metabolism

Although 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(93-92-5)Related Product Information

• Dimethylbenzylcarbinyl acetate
• Ethyl acetate
• 1-Phenylethyl propionate
• Cellulose acetate
• POLY(VINYL ACETATE)
• Benzyl acetate
• Triacetin
• Magnesium acetate
• Isopropyl acetate
• Butyl acetate
• PHENYL ACETATE
• Methyl acetate
• INDOPHENOL ACETATE
• Sodium acetate
• Ammonium acetate
• Vinyl acetate
• Isobornyl acetate
• Pinacol