Description

4,4'-Methylenebis(Acetoxybenzene) is a high-purity organic chemical compound with the CAS number 40232-99-3. This compound serves as a versatile intermediate and building block in advanced organic synthesis, valued for its specific aromatic structure and functional groups. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the development of active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the manufacture of specialty resins and high-performance polymers.
• Chemical Research & Development: Serves as a critical reagent in organic synthesis for academic and industrial R&D laboratories.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4,4'-Methylenebis(Acetoxybenzene)
CAS No.	40232-99-3
Molecular Formula	C18H18O4
Molecular Weight	298.33 g/mol
Synonyms	4,4'-Methylenebis(phenyl acetate); Bis(4-acetoxyphenyl)methane; 1,1'-[Methylenebis(4,1-phenylene)]diacetate; p,p'-Methylenebis(phenyl acetate); 4,4'-Methylenediphenyl diacetate; Acetic acid, 4,4'-methylenediphenyl ester; 4,4'-(Methylenedi-p-phenylene) diacetate
EINECS	Contact for details

Quality Control

Our 4,4'-Methylenebis(Acetoxybenzene) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive applications such as pharmaceutical synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with your specifications.

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 product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline 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	≤ 10 ppm

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