Description

Caswell No. 580C is a high-purity chemical compound identified by CAS number 2321-53-1. This material is valued for its specific reactivity and performance in advanced synthesis and formulation processes. It serves as a critical intermediate or reagent for research and development laboratories, pharmaceutical manufacturing, and specialty chemical production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other drug substances.
• Organic Synthesis Reagent: Employed in research and development for constructing complex molecular architectures.
• Agrochemical Production: Acts as a key building block in the manufacture of advanced crop protection agents.
• Material Science Research: Utilized in the development of novel polymers, coatings, or electronic materials.
• Analytical Chemistry: Serves as a standard or reference material for method development and calibration.
• Fine Chemical Manufacturing: Incorporated into the production of dyes, pigments, or performance chemicals.

Basic Information

Product Name	Caswell No. 580C
CAS No.	2321-53-1
Molecular Formula	C6H6N2O2
Molecular Weight	138.12 g/mol
Synonyms	2-Nitroaniline; o-Nitroaniline; 1-Amino-2-nitrobenzene; 2-Nitrophenylamine; Azofix Red GG Base; Azoic Diazo Component 5; C.I. 37025; Fast Red GG Base; o-Aminonitrobenzene
EINECS	219-030-0

Quality Control

Our Caswell No. 580C is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	71 - 74 °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.