Description

Benzaldehyde, 4-Hydroxy-2-Nitro- CAS NO 90151-04-5 is a specialized aromatic aldehyde derivative, distinguished by its nitro and hydroxy substituents which confer unique reactivity and functional properties. This compound is a critical synthetic intermediate valued for its role in constructing complex molecular architectures, particularly in fine chemical and pharmaceutical synthesis. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the production of active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules, particularly those with nitroaromatic or phenolic functionalities.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other nitro-containing colorants.
• Fine Chemical Production: Intermediate for flavors, fragrances, and other high-value specialty chemicals.
• Research & Development: Utilized in academic and industrial labs for method development and novel compound synthesis.
• Polymer Chemistry: Can be incorporated as a functional monomer or cross-linking agent in specialty polymer formulations.

Basic Information

Product Name	Benzaldehyde, 4-Hydroxy-2-Nitro-
CAS No.	90151-04-5
Molecular Formula	C7H5NO4
Molecular Weight	167.12 g/mol
Synonyms	4-Hydroxy-2-nitrobenzaldehyde; 2-Nitro-4-hydroxybenzaldehyde; 4-Hydroxy-2-nitrobenzenecarboxaldehyde; 2-Nitro-4-hydroxybenzenecarbaldehyde; 2-Nitro-4-hydroxybenzaldehyde; p-Hydroxy-o-nitrobenzaldehyde; 4-Hydroxy-2-nitro-benzaldehyde; 2-Nitro-4-hydroxy-benzaldehyde
EINECS	Contact for details

Quality Control

Our Benzaldehyde, 4-Hydroxy-2-Nitro- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specification parameters. Our quality commitment ensures the material is suitable for demanding applications in regulated industries.

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). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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