Description

p-Tolyl Isobutyrate is a versatile aromatic ester valued for its role as a key intermediate and a fragrance ingredient. Its chemical structure makes it an important building block for synthesizing more complex molecules in fine chemical and pharmaceutical manufacturing. This compound is primarily sought by producers in the flavors and fragrances, agrochemicals, and pharmaceutical intermediates sectors.

Application

• Fragrance and Flavor Ingredient: Used as a component in the formulation of perfumes, cosmetics, and food flavorings for its aromatic characteristics.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Employed in the production of pesticides, herbicides, and other crop protection agents.
• Plasticizer and Polymer Additive: Acts as a specialty plasticizer or modifier in polymer formulations to alter flexibility and processing properties.
• Organic Synthesis Reagent: Utilized in various organic reactions, including esterifications and transesterifications, within research and development laboratories.
• Solvent for Specialty Applications: Functions as a solvent for resins, coatings, and inks in niche industrial applications.

Basic Information

Product Name	p-Tolyl Isobutyrate
CAS No.	103-93-5
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	4-Methylphenyl isobutyrate; p-Cresyl isobutyrate; 4-Tolyl isobutyrate; Isobutyric acid 4-methylphenyl ester; 1-Methyl-4-(2-methylpropanoyloxy)benzene; p-Tolyl 2-methylpropanoate; 4-Methylphenyl 2-methylpropanoate
EINECS	203-158-7

Quality Control

Our p-Tolyl Isobutyrate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the required specifications. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee transparency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.485 - 1.495
Specific Gravity (20/20°C)	0.995 - 1.015
Water Content (KF)	≤ 0.5%

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