Description

Diethyl 2,2'-[Carbonylbis(Oxy)]Bisbenzoate is a high-purity organic ester compound, widely recognized as a versatile chemical intermediate. Its core value lies in its ability to act as a key building block in the synthesis of more complex molecules, offering reliable performance and consistent quality for industrial processes. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require a stable and reactive intermediate for their synthesis workflows.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a benzoate ester linkage.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in the manufacture of specialty polyesters and coatings to enhance specific properties.
• Organic Synthesis Reagent: Employed in laboratory and industrial-scale organic reactions, including esterifications and transesterifications.
• UV Absorber & Stabilizer Precursor: Acts as a starting material for synthesizing compounds used in plastics and coatings to improve light stability.
• Flavor & Fragrance Intermediate: Used in the controlled synthesis of aromatic esters for fragrance and flavor applications.

Basic Information

Item	Details
Product Name	Diethyl 2,2'-[Carbonylbis(Oxy)]Bisbenzoate
CAS No.	118-27-4
Molecular Formula	C19H18O7
Molecular Weight	358.34 g/mol
Synonyms	Diethyl Carbonylbis(oxy-2,1-phenylene)dibenzoate; Bis(2-carboxyphenyl) Carbonate Diethyl Ester; Ethyl 2-[[(2-Ethoxycarbonylphenoxy)carbonyl]oxy]benzoate; Diethyl Diphenate Carbonate; 2,2'-(Carbonylbis(oxy))dibenzoic Acid Diethyl Ester; Bis(2-ethoxycarbonylphenyl) Carbonate; NSC 403697
EINECS	204-248-2

Quality Control

Our Diethyl 2,2'-[Carbonylbis(Oxy)]Bisbenzoate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the high standards required for sensitive chemical synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	97 - 101 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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