Description

Bis(Benzeneacetic Acid)Anhydride is a specialized organic acid anhydride used as a key building block in advanced chemical synthesis. This compound matters for its role as a versatile acylating and coupling agent, enabling the formation of amide and ester bonds under controlled conditions. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the production of active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for amide-based compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators requiring specific acyl group incorporation.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polyimides, polyamides, and epoxy resins.
• Peptide Coupling: Functions as a coupling reagent or protecting group agent in peptide synthesis and biochemical research.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and complex organic molecules requiring anhydride chemistry.
• Material Science: Used in surface modification and the creation of advanced composite materials with tailored properties.

Basic Information

Product Name	Bis(Benzeneacetic Acid)Anhydride
CAS No.	1555-80-2
Molecular Formula	C16H14O3
Molecular Weight	254.28 g/mol
Synonyms	Bis(phenylacetic) anhydride; Diphenylacetic anhydride; Phenylacetic anhydride; (Phenylacetyl) oxide; NSC 403697; Benzeneacetic acid, 1,1'-anhydride; α-Toluic anhydride; Diphenylacetyl anhydride
EINECS	216-305-7

Quality Control

Our Bis(Benzeneacetic Acid)Anhydride is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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