Description

2-Hydroxy-4-Nitro-Benzaldehyde is a versatile aromatic aldehyde derivative characterized by its nitro and hydroxyl substituents, which confer unique reactivity and functional properties. This compound serves as a critical high-purity intermediate for synthesizing complex molecules in advanced research and industrial manufacturing. It is primarily sought by pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with nitro-aromatic or salicylaldehyde-based structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its functional groups enable specific modes of action.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants, leveraging its aldehyde and nitro groups for chromophore development.
• Organic Synthesis & Research: An important reagent in academic and industrial R&D for constructing heterocyclic compounds, ligands, and other specialty organic molecules.
• Coordination Chemistry: Acts as a chelating ligand precursor for metal complexes used in catalysis or material science applications.
• Photographic Chemicals: Can be utilized in the synthesis of certain light-sensitive compounds for specialized photographic processes.

Basic Information

Item	Detail
Product Name	2-Hydroxy-4-Nitro-Benzaldehyde
CAS No.	2460-58-4
Molecular Formula	C7H5NO4
Molecular Weight	167.12 g/mol
Synonyms	4-Nitro-2-hydroxybenzaldehyde; 2-Hydroxy-4-nitrobenzaldehyde; 4-Nitrosalicylaldehyde; Salicylaldehyde, 4-nitro-; 2-Formyl-5-nitrophenol; 5-Nitro-2-hydroxybenzaldehyde; NSC 403697; 4-Nitro-2-formylphenol
EINECS	219-552-4

Quality Control

Our 2-Hydroxy-4-Nitro-Benzaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	128°C - 132°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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