Description

p-Toluidine Sulphate (1:1) is a key organic intermediate and salt derivative of p-toluidine, widely recognized by its CAS registry number 540-25-0. This compound is valued for its role in synthesizing more complex molecules, particularly in the production of dyes and pigments. It is an essential raw material for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable and high-purity intermediates.

Application

• Dye and Pigment Manufacturing: Serves as a crucial precursor in the synthesis of various azo dyes and organic pigments.
• Agrochemical Intermediates: Used in the production of herbicides, pesticides, and other crop protection agents.
• Pharmaceutical Synthesis: Acts as a building block in the creation of certain active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis and analytical chemistry.
• Photographic Chemicals: Can be utilized in the formulation of specific photographic developers.
• Rubber and Polymer Additives: Functions as an intermediate in the production of antioxidants and vulcanization accelerators.

Basic Information

Product Name	p-Toluidine Sulphate (1:1)
CAS No.	540-25-0
Molecular Formula	C14H20N2O4S
Molecular Weight	312.38 g/mol
Synonyms	4-Methylaniline sulfate (1:1); p-Toluidinium sulfate; 4-Aminotoluene sulfate; Toluidine sulfate; Benzenamine, 4-methyl-, sulfate (1:1); p-Methylaniline sulfate; 4-Toluidine sulfate; Aniline, p-methyl-, sulfate
EINECS	208-741-2

Quality Control

Our p-Toluidine Sulphate (1:1) is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided as a standard commitment to quality assurance and supply chain transparency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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