Description

Benzoic Acid tert-Butyl Ester is a versatile organic ester compound valued for its role as a chemical intermediate and protecting group. Its significance lies in its ability to introduce the tert-butyl ester moiety, which offers stability under various reaction conditions and can be selectively cleaved. This makes it a valuable reagent for researchers and manufacturers in the pharmaceutical and fine chemical synthesis sectors, where precise molecular construction is critical.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Organic Synthesis Reagent: Serves as a tert-butyl ester protecting group for carboxylic acids during multi-step synthetic sequences.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including flavors, fragrances, and agrochemical precursors.
• Polymer Chemistry: Can act as a monomer or modifier in the production of specialized polymers and resins.
• Research & Development: A key building block in academic and industrial R&D labs for exploring new chemical entities.
• Chemical Derivatization: Used to modify molecules to alter their solubility, stability, or analytical properties.

Basic Information

Product Name	Benzoic Acid tert-Butyl Ester
CAS No.	774-65-2
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	tert-Butyl benzoate; Benzoic acid, 1,1-dimethylethyl ester; Benzoic acid tert-butyl ester; t-Butyl benzoate; 1,1-Dimethylethyl benzoate; NSC 2217; Butyl benzoate, tert-
EINECS	212-277-6

Quality Control

Our Benzoic Acid tert-Butyl Ester is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.495 - 1.505
Density (20°C)	0.98 - 1.02 g/mL

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