Description

p-Anisidine Hydrochloride is an important organic intermediate and analytical reagent, primarily used as a precursor in the synthesis of dyes, pigments, and pharmaceuticals. Its value lies in providing a protected aniline derivative that facilitates controlled chemical reactions, particularly azo coupling, which is critical for producing colorants and specialty chemicals. This compound is essential for manufacturers and R&D laboratories in the dye, pharmaceutical, and agrochemical industries seeking reliable, high-purity building blocks for complex syntheses.

Application

• Dye and Pigment Intermediate: A key coupling component in the production of azo dyes and organic pigments, contributing to color strength and stability.
• Pharmaceutical Synthesis: Serves as a versatile building block for creating various active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Manufacturing: Used in the synthesis of certain herbicides, pesticides, and plant growth regulators.
• Chemical Research & Development: Employed as a standard reagent in organic synthesis and method development within R&D laboratories.
• Analytical Chemistry: Functions as a reagent in specific colorimetric tests and analytical procedures.

Basic Information

Product Name	p-Anisidine Hydrochloride
CAS No.	20265-97-8
Molecular Formula	C7H10ClNO
Molecular Weight	159.61 g/mol
Synonyms	4-Methoxyaniline Hydrochloride; p-Aminoanisole Hydrochloride; 4-Anisidine Hydrochloride; 4-Methoxybenzenamine Hydrochloride; Aniline, 4-methoxy-, hydrochloride; 1-Amino-4-methoxybenzene Hydrochloride; p-Methoxyphenylamine Hydrochloride
EINECS	243-684-8

Quality Control

Our p-Anisidine Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	232°C - 238°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.