Description

4-Methylaniline Hydrochloride is a high-purity organic salt primarily used as a critical synthetic intermediate in the production of dyes, pigments, and pharmaceuticals. Its value lies in providing a stable, crystalline form of the 4-methylaniline moiety, which is essential for controlled chemical reactions and consistent batch-to-batch results. This compound is particularly needed by manufacturers in the agrochemical, dye, and specialty chemical industries for synthesizing azo dyes, photographic chemicals, and various fine chemicals.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes and other colorants for textiles, inks, and plastics.
• Pharmaceutical Synthesis: Serves as a building block in the manufacture of certain active pharmaceutical ingredients (APIs) and research chemicals.
• Agrochemical Production: Used in the synthesis of herbicides, pesticides, and other crop protection agents.
• Photographic Chemical: Employed in the production of certain developers and other light-sensitive materials.
• Chemical Research & Development: A valuable reagent in organic synthesis for academic and industrial R&D laboratories.
• Rubber Chemical Intermediate: Used in the production of certain antioxidants and vulcanization accelerators.

Basic Information

Product Name	4-Methylaniline Hydrochloride
CAS No.	540-23-8
Molecular Formula	C7H9N·HCl
Molecular Weight	143.61 g/mol
Synonyms	p-Toluidine Hydrochloride; 4-Methylbenzenamine Hydrochloride; p-Methylaniline Hydrochloride; 1-Amino-4-methylbenzene Hydrochloride; 4-Aminotoluene Hydrochloride; p-Aminotoluene Hydrochloride; Toluidine Hydrochloride; UN 1700
EINECS	208-741-2

Quality Control

Our 4-Methylaniline Hydrochloride is manufactured under strict quality management systems to ensure high purity and batch-to-batch consistency. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and physical characterization. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, and we can supply material compliant with customer-specific requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light and moisture to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	243 - 247 °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.