Description

4-Nitrobenzoic Anhydride is a versatile and reactive organic intermediate, primarily used as a key building block in chemical synthesis. Its value lies in its ability to efficiently introduce the 4-nitrobenzoyl functional group, a precursor to various pharmacologically active amines and other fine chemicals. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing benzamide or aniline derivatives.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the nitrobenzoate moiety is required.
• Dye and Pigment Manufacturing: Serves as an intermediate for azo dyes and other complex colorants, contributing to chromophore development.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers and resins with specific thermal or optical properties.
• Organic Synthesis Reagent: Employed in academic and industrial research labs for acylation reactions, protecting group chemistry, and the preparation of esters and amides.
• Liquid Crystal and OLED Material Development: Used in the research and production of advanced electronic materials due to its rigid, aromatic structure.

Basic Information

Item	Detail
Product Name	4-Nitrobenzoic Anhydride
CAS No.	902-47-6
Molecular Formula	C14H8N2O7
Molecular Weight	316.22 g/mol
Synonyms	p-Nitrobenzoic Anhydride; 4-Nitrobenzoic Acid Anhydride; Bis(4-nitrobenzoyl) Oxide; 1,1'-(Oxydicarbonyl)bis(4-nitrobenzene); 4-Nitrobenzoyl Anhydride; p-Nitrobenzoyl Anhydride; 4-Nitrobenzoic Acid, Anhydride; NSC 403058
EINECS	Contact for details

Quality Control

Our 4-Nitrobenzoic Anhydride is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, melting point, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support our clients' needs for regulatory documentation.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and reactivity. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	188°C - 192°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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