Description

2-Chlorotoluene-4-Sulfonic Acid Sodium Salt is an important organic intermediate and sulfonation reagent. This compound matters for its role in facilitating complex chemical syntheses, particularly in the production of dyes, pigments, and specialty chemicals. It is primarily needed by manufacturers in the agrochemical, pharmaceutical, and fine chemical industries for use as a key building block.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of various azo dyes and organic pigments.
• Agrochemical Synthesis: Used as a building block in the manufacture of certain herbicides and pesticides.
• Pharmaceutical Intermediate: Serves in the synthesis pathway for specific active pharmaceutical ingredients (APIs).
• Surfactant and Detergent Chemical: Can be utilized in the production of specialized anionic surfactants.
• Polymer Modification Agent: Acts as a sulfonation agent to introduce sulfonate groups into polymer chains.
• Chemical Research & Development: Employed in organic synthesis labs for developing new compounds and methodologies.

Basic Information

Product Name	2-Chlorotoluene-4-Sulfonic Acid Sodium Salt
CAS No.	5138-91-0
Molecular Formula	C7H6ClNaO3S
Molecular Weight	228.63 g/mol
Synonyms	4-Sulfo-2-chlorotoluene Sodium Salt; Sodium 2-Chloro-4-methylbenzenesulfonate; 2-Chloro-p-toluenesulfonic Acid Sodium Salt; Benzenesulfonic acid, 2-chloro-4-methyl-, sodium salt; 2-Chloro-4-methylbenzenesulfonic acid sodium salt; p-Toluenesulfonic acid, 2-chloro-, sodium salt; 2-Chloro-4-toluenesulfonic Acid Sodium Salt
EINECS	225-881-6

Quality Control

Our 2-Chlorotoluene-4-Sulfonic Acid Sodium Salt is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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