ChemicalBook Product Catalog Flavors and fragrances Synthetic fragrances Carboxylic acids and esters Aromatic carboxylic acid ester Methyl p-tert-butylphenylacetate

Methyl p-tert-butylphenylacetate

Product NameMethyl p-tert-butylphenylacetate
CAS3549-23-3
MFC13H18O2
MW206.28
EINECS222-602-4
MOL File3549-23-3.mol

Chemical Properties

Boiling point	106 °C/2 mmHg (lit.)
Density	0.999 g/mL at 25 °C (lit.)
FEMA	2690 \| METHYL P-TERT-BUTYLPHENYLACETATE
refractive index	n20/D 1.501(lit.)
Flash point	>230 °F
storage temp.	Sealed in dry,Room Temperature
form	liquid
color	Colourless to light yellow
Odor	at 100.00 %. dairy buttermilk leafy creamy green waxy fatty hyacinth melon rind rubbery
Odor Type	dairy
biological source	synthetic
JECFA Number	1025
BRN	2502880
Major Application	flavors and fragrances
InChI	1S/C13H18O2/c1-13(2,3)11-7-5-10(6-8-11)9-12(14)15-4/h5-8H,9H2,1-4H3
InChIKey	HXVTYMWVMVKVTF-UHFFFAOYSA-N
SMILES	COC(=O)Cc1ccc(cc1)C(C)(C)C
LogP	3.65
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

Safety Statements	24/25
WGK Germany	3
TSCA	TSCA listed
HS Code	29163990
Storage Class	10 - Combustible liquids

MSDS

Provider	Language
SigmaAldrich	English
ALFA	English

Usage And Synthesis

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.

Uses

Methyl p-tert-butylphenylacetate has been identified as a component in plant extracts including Annona squamosa seeds, Helichrysum arenarium subsp. rubinucum, Shorea longisperma cotyledons, and Upuna borneensis seed coats[1][2][3].

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.

References

[1]Deewatthanawong, Kongchinda, Pumnuan, J., & Insung, A. (2019). GC-MS analysis and biopesticide properties of different crude extracts of Annona squamosa and Annona muricata.
[2]Yurteri, E. (2025). Effect of Morphogenetic Variability on Volatile Oil Composition of Immortal Flower (Helichrysum arenarium subsp. rubicundum). Türkiye Tarımsal Araştırmalar Dergisi, 12(1), 1–8. https://doi.org/10.19159/tutad.1577667
[3]Roszaini, K., Nashatul-Zaimah, N., & Noor-Azah, M. (2020). POTENTIAL OF UPUNA BORNEENSIS AND SHOREA LONGISPERMA SEED EXTRACTS AGAINST COPTOTERMES GESTROI. JOURNAL OF TROPICAL FOREST SCIENCE, 32(1), 83–91. https://doi.org/10.26525/jtfs32.1.83

Methyl p-tert-butylphenylacetate

Chemical Properties

Safety Information

MSDS

Usage And Synthesis

Preparation Products And Raw materials

Methyl p-tert-butylphenylacetate Supplier

Methyl p-tert-butylphenylacetate manufacturers

Related Product Information