Description

4-Nitrosalicylic Acid is a versatile aromatic compound that serves as a key intermediate in organic synthesis and analytical chemistry. Its unique structure, featuring both nitro and carboxylic acid functional groups, makes it valuable for the preparation of dyes, coordination complexes, and specialized fine chemicals. This product is essential for research laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and chemical synthesis sectors.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Dye and Pigment Manufacturing: Acts as a precursor in the production of azo dyes and other colorants.
• Analytical Reagent: Employed in chemical analysis and as a standard or reagent in various laboratory procedures.
• Coordination Chemistry: Functions as a ligand for metal ions, useful in creating catalysts and metal-organic frameworks (MOFs).
• Fine Chemical Synthesis: A building block for the manufacture of specialty chemicals and advanced materials.
• Research & Development: Utilized in academic and industrial R&D for exploring new synthetic pathways and compound development.

Basic Information

Product Name	4-Nitrosalicylic Acid
CAS No.	619-19-2
Molecular Formula	C7H5NO5
Molecular Weight	183.12 g/mol
Synonyms	2-Hydroxy-4-nitrobenzoic Acid; 4-Nitro-2-hydroxybenzoic Acid; Salicylic Acid, 4-Nitro-; 4-Nitrosalicylsäure (German); Acide 4-Nitrosalicylique (French); NSC 403697; 4-Nitrosalicylate; 4-Nitro-2-carboxyphenol
EINECS	210-577-3

Quality Control

Our 4-Nitrosalicylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and conformance to specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	225 - 230 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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