Description

Boric Acid Tri-o-Tolyl Ester is an organoboron compound derived from boric acid and o-cresol, serving as a versatile chemical intermediate and additive. Its value lies in its ability to act as a stabilizer, catalyst, or flame retardant synergist in various high-performance polymer systems. This product is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to enhance material properties and process efficiency.

Application

• As a stabilizer and antioxidant in polyolefins, PVC, and other polymers to prevent thermal degradation during processing.
• As a catalyst or co-catalyst in esterification and transesterification reactions within specialty chemical synthesis.
• As a flame retardant synergist, enhancing the effectiveness of halogenated or phosphorus-based flame retardants in engineering plastics and textiles.
• As a lubricant additive to improve extreme pressure (EP) and anti-wear properties.
• As an intermediate for the synthesis of more complex boron-containing compounds used in agrochemicals or pharmaceuticals.
• In the formulation of adhesives and sealants to modify rheological properties and stability.

Basic Information

Product Name	Boric Acid Tri-o-Tolyl Ester
CAS No.	2665-12-5
Molecular Formula	C21H21BO3
Molecular Weight	332.20 g/mol
Synonyms	Tri-o-cresyl Borate; Tris(2-methylphenyl) Borate; o-Cresyl Borate; Boric Acid Tris(2-methylphenyl) Ester; Boron Tri-o-tolyl Ester; Tris(o-tolyloxy)borane; 2-Methylphenyl Borate
EINECS	220-214-7

Quality Control

Our Boric Acid Tri-o-Tolyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a Certificate of Analysis (COA) with each shipment, detailing key parameters such as assay, color, and moisture content. Our quality commitment ensures the product meets the specifications required for industrial and specialty chemical applications.

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). This material is hygroscopic (moisture-sensitive); ensure containers are sealed tightly after use to minimize exposure to atmospheric humidity. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Moisture (KF)	≤ 0.5 %
Color (APHA)	≤ 100
Density (20°C)	~1.10 g/cm³

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