Description

Diazobenzene, 4-Nitro- CAS NO 22719-27-3 is a specialized diazonium salt derivative, a crucial intermediate in organic synthesis. Its primary value lies in its reactivity, enabling the efficient introduction of the 4-nitrophenylazo group into target molecules. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and dye industries seeking to develop novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Serves as a key building block for producing herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a precursor for azo dyes and pigments, providing colorants for textiles, inks, and plastics.
• Material Science Research: Employed in the development of functional polymers, liquid crystals, and advanced organic materials.
• Cross-coupling Reactions: Utilized in palladium-catalyzed and other metal-mediated coupling reactions to form complex biaryl structures.
• Analytical Chemistry: Can be used to derivatize compounds for detection or separation purposes in chromatographic methods.

Basic Information

Product Name	Diazobenzene, 4-Nitro-
CAS No.	22719-27-3
Molecular Formula	C6H4N3O2+ X- (where X- is typically BF4-, Cl-, etc.)
Molecular Weight	Varies by counterion. Contact for details.
Synonyms	4-Nitrobenzenediazonium Salt; p-Nitrobenzenediazonium Tetrafluoroborate (common salt form); Diazonium, (4-nitrophenyl)-, tetrafluoroborate(1-); 4-Nitrophenyldiazonium Tetrafluoroborate; (4-Nitrophenyl)diazonium Ion; p-Nitrophenyldiazonium Salt; 4-Nitrobenzenediazonium Cation; Diazotized 4-Nitroaniline
EINECS	Contact for details.

Quality Control

Our Diazobenzene, 4-Nitro- is produced and handled under strict quality protocols to ensure batch-to-batch consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and moisture content. Our quality system is designed to meet the stringent requirements of industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures typically between 2°C and 8°C (refrigerated) or as specified for the specific salt form. This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed immediately after use to minimize exposure to atmospheric moisture and light. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical, varies by grade)
Water Content (KF)	≤ 2.0%
Solubility	Soluble in polar aprotic solvents (e.g., acetonitrile, DMF)

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