Description

Sodium 4-Nitrotoluene-2-Sulphonate is a key organic intermediate and sulfonating agent widely used in the synthesis of dyes, pigments, and other specialty chemicals. Its value lies in its role as a versatile building block, introducing both nitro and sulfonate functional groups into target molecules to modify solubility, color, and reactivity. This compound is essential for manufacturers in the dyestuff, agrochemical, and pharmaceutical intermediate sectors seeking reliable, high-purity raw materials for complex synthesis.

Application

• Primary Intermediate for Dyes and Pigments: A crucial precursor in the manufacture of azo dyes, acid dyes, and reactive dyes, contributing to color development and fiber affinity.
• Agrochemical Synthesis: Used in the production of certain herbicides and pesticides, where the sulfonate group enhances water solubility and bioavailability.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of more complex molecules for active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Employed in organic synthesis laboratories for introducing specific functional groups and studying reaction pathways.
• Surfactant and Detergent Intermediate: Can be utilized in the modification of surfactants to alter their hydrophilic-lipophilic balance (HLB) and performance.
• Photographic Chemicals: Finds application in the synthesis of certain chemicals used in photographic development processes.

Basic Information

Product Name	Sodium 4-Nitrotoluene-2-Sulphonate
CAS No.	5258-64-0
Molecular Formula	C7H6NNaO5S
Molecular Weight	239.18 g/mol
Synonyms	4-Nitrotoluene-2-sulfonic acid sodium salt; Sodium 4-nitrotoluene-2-sulfonate; 2-Methyl-5-nitrobenzenesulfonic acid sodium salt; 4-Nitro-o-toluenesulfonic acid sodium salt; 5-Nitro-2-methylbenzenesulfonic acid sodium salt; Toluene-4-nitro-2-sulfonic acid sodium salt; Benzenesulfonic acid, 2-methyl-5-nitro-, sodium salt (1:1)
EINECS	226-066-5

Quality Control

Our Sodium 4-Nitrotoluene-2-Sulphonate is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect quality and handling properties.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Water Content (Karl Fischer)	≤ 1.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.5%

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