Description

5,5'-Methylenedisalicylic Acid Diphenyl Ester is a specialized organic compound belonging to the class of diphenyl esters derived from salicylic acid. This high-purity intermediate is valued for its role in advanced material synthesis and pharmaceutical research, offering precise chemical functionality. It is primarily utilized by manufacturers and R&D laboratories in the polymer, specialty chemical, and life sciences sectors seeking reliable, high-quality building blocks.

Application

• As a key monomer or cross-linking agent in the synthesis of high-performance polymers and resins.
• As an intermediate in pharmaceutical research for developing novel active pharmaceutical ingredients (APIs).
• In material science for creating specialty coatings with enhanced thermal or chemical resistance.
• As a standard or reference compound in analytical chemistry and quality control laboratories.
• For research into liquid crystal polymers and other advanced organic materials.
• As a chemical building block in organic synthesis for agrochemical and fine chemical production.

Basic Information

Product Name	5,5'-Methylenedisalicylic Acid Diphenyl Ester
CAS No.	19247-93-9
Molecular Formula	C27H20O6
Molecular Weight	440.44 g/mol
Synonyms	Diphenyl 5,5'-methylenedisalicylate; Bis(5-carboxy-2-hydroxyphenyl)methane diphenyl ester; 5,5'-Methylenebis(2-hydroxybenzoic acid) diphenyl ester; Methylene disalicylic acid diphenyl ester; Salicylic acid, 5,5'-methylenedi-, diphenyl ester
EINECS	Contact for details

Quality Control

Our 5,5'-Methylenedisalicylic Acid Diphenyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all critical parameters 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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