Description

Propanoic Acid,2-Methyl-, 5-Methyl-2-(1-Methylethyl)Phenyl Ester is a specialized organic ester compound, also known as thymyl isobutyrate. This high-purity chemical intermediate is valued for its unique aromatic and chemical properties, making it a critical component in advanced synthesis. It is primarily sought by manufacturers in the fragrance, flavor, and pharmaceutical industries for its role in creating complex organoleptic profiles and as a building block in specialty chemical production.

Application

• Fragrance & Flavor Industry: A key aromatic ingredient and fixative in the formulation of fine perfumes, cosmetics, and high-end flavorings.
• Pharmaceutical Intermediates: Serves as a versatile building block in the synthesis of active pharmaceutical ingredients (APIs) and other specialty organic compounds.
• Organic Synthesis: Utilized as a reagent or intermediate in research and production of complex esters and other fine chemicals.
• Agrochemicals: Potential use in the synthesis of certain specialty agrochemicals and pheromones.
• Industrial Aromatics: Employed in the production of industrial deodorants and air care products.

Basic Information

Product Name	Propanoic Acid,2-Methyl-, 5-Methyl-2-(1-Methylethyl)Phenyl Ester
CAS No.	5451-67-2
Molecular Formula	C14H20O2
Molecular Weight	220.31 g/mol
Synonyms	Thymyl isobutyrate; 5-Methyl-2-(1-methylethyl)phenyl 2-methylpropanoate; p-Menth-3-yl isobutyrate; 2-Isopropyl-5-methylphenyl 2-methylpropanoate; Isobutyric acid thymyl ester; 1-Isopropyl-4-methyl-3-cyclohexanyl isobutyrate (related isomer); FEMA 3732; Thymol isobutyrate
EINECS	226-694-8

Quality Control

Our Propanoic Acid,2-Methyl-, 5-Methyl-2-(1-Methylethyl)Phenyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and HPLC analysis, to ensure high purity and consistent organoleptic quality suitable for flavor, fragrance, and pharmaceutical applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	0.950 - 0.970

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.