Description

Potassium p-tert-Butylbenzoate is a potassium salt of p-tert-butylbenzoic acid, serving as a versatile intermediate and catalyst component in organic synthesis. Its primary value lies in its role as a highly effective nucleophile and phase-transfer catalyst, facilitating critical reactions in the production of specialty chemicals. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to improve reaction yields and selectivity.

Application

• As a phase-transfer catalyst (PTC) in organic synthesis, particularly for alkylation and esterification reactions.
• Key intermediate in the production of pharmaceuticals and active pharmaceutical ingredients (APIs).
• Used in the synthesis of specialty polymers and plastic additives, such as light stabilizers and antioxidants.
• Precursor for the manufacture of agrochemicals, including certain herbicides and plant growth regulators.
• Employed in fine chemical production for creating complex organic molecules.
• Acts as a nucleophilic catalyst in ester and amide bond formation under mild conditions.

Basic Information

Product Name	Potassium p-tert-Butylbenzoate
CAS No.	16518-26-6
Molecular Formula	C11H13KO2
Molecular Weight	216.32 g/mol
Synonyms	Potassium 4-tert-butylbenzoate; 4-(1,1-Dimethylethyl)benzoic acid potassium salt; p-tert-Butylbenzoic acid potassium salt; Benzoic acid, 4-(1,1-dimethylethyl)-, potassium salt; Potassium 4-(tert-butyl)benzoate; PTBBA-K; K-TBBA
EINECS	240-589-7

Quality Control

Our Potassium p-tert-Butylbenzoate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and chemical composition. Certificates of Analysis (COA) documenting these results are provided with every shipment and are available upon request to 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	Reported on COA

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