Methyl p-tert-butylphenylacetate

Synonym(s):Methyl 2-(4-tert-butylphenyl)acetate

CAS NO.：3549-23-3
Empirical Formula: C13H18O2
Molecular Weight: 206.28
MDL number: MFCD00051913
EINECS: 222-602-4
SAFETY DATA SHEET (SDS)
Update Date: 2025-12-22 14:18:24

Methyl p-tert-butylphenylacetate Structural

What is Methyl p-tert-butylphenylacetate?

Description

Methyl p-tert-butylphenylacetate has a sweet, woody, and camphoraceous odor with a roasted, chocolate-like flavor. May be prepared by esterification of p-tert-butylphenylacetic acid with methanol.

Chemical properties

Methyl p-tert-butylphenylacetate has a sweet, woody and camphoraceous odor and a roasted, chocolate-like flavor.

Preparation

By esterification of p-tert-butylphenylacetic acid with methanol

Aroma threshold values

Aroma characteristics at 1.0%: musty meaty, chicken fatty, cocoa honey, floral, sour, fatty milky, dairy and fishy nuances.

Taste threshold values

Taste characteristics at 5 ppm: leafy, green, waxy and honey-like, sweet cocoa, buttery creamy, fatty milky dairy-like with fishy and fruity nuances

General Description

Methyl p-tert-butylphenylacetate can be used as a food flavoring agent.

Properties of Methyl p-tert-butylphenylacetate

Boiling point:	106 °C/2 mmHg (lit.)
Density	0.999 g/mL at 25 °C (lit.)
refractive index	n20/D 1.501(lit.)
FEMA	2690 \| METHYL P-TERT-BUTYLPHENYLACETATE
Flash point:	>230 °F
storage temp.	Sealed in dry,Room Temperature
color	Colourless to light yellow
Odor	at 100.00 %. dairy buttermilk leafy creamy green waxy fatty hyacinth melon rind rubbery
JECFA Number	1025
BRN	2502880
CAS DataBase Reference	3549-23-3(CAS DataBase Reference)
EPA Substance Registry System	Benzeneacetic acid, 4-(1,1-dimethylethyl)-, methyl ester (3549-23-3)

Safety information for Methyl p-tert-butylphenylacetate

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.