Description

3,5-Dinitrobenzoic Acid is a high-purity, versatile aromatic nitro compound widely used as a key synthetic intermediate and analytical reagent. Its value lies in its reactive carboxylic acid and nitro functional groups, which enable precise derivatization and serve as a standard in chromatographic analysis. This product is essential for research laboratories, pharmaceutical development, and fine chemical synthesis, where consistent quality and reliable supply are paramount.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of more complex active pharmaceutical ingredients (APIs) and fine chemicals.
• Analytical Chemistry Standard: Used as a reference standard and derivatizing agent in gas chromatography (GC) and high-performance liquid chromatography (HPLC) for the identification and quantification of alcohols and amines.
• Organic Synthesis Reagent: Employed in various organic transformations, including esterification and amidation reactions, due to its reactive acid group and electron-withdrawing nitro substituents.
• Research & Development: A fundamental compound in academic and industrial R&D for exploring new synthetic pathways and material science applications.
• Dye and Pigment Precursor: Acts as a starting material in the manufacture of certain azo dyes and other colored compounds.
• Cross-linking Agent: Potential use in polymer chemistry for creating cross-linked networks with specific thermal or mechanical properties.

Basic Information

Product Name	3,5-Dinitrobenzoic Acid
CAS No.	99-34-3
Molecular Formula	C7H4N2O6
Molecular Weight	212.12 g/mol
Synonyms	3,5-DNBA; 3,5-Dinitrobenzenecarboxylic Acid; DNBA; Benzoic acid, 3,5-dinitro-; NSC 4032; 1,3-Dinitro-5-carboxybenzene; 3,5-Dinitrobenzoesäure (German)
EINECS	202-752-5

Quality Control

Our 3,5-Dinitrobenzoic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	203°C - 207°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.