Description

Sodium 4-Methyl-3-Nitrobenzenesulphonate is a high-purity, water-soluble aromatic sulfonate salt used as a critical intermediate in fine chemical synthesis. Its value lies in providing a reactive nitro and sulfonate functional group pair, enabling precise chemical modifications for advanced material development. This compound is essential for manufacturers in the dye, pharmaceutical, and agrochemical industries seeking reliable, high-quality intermediates for research and production.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of azo dyes and other complex colorants.
• Pharmaceutical Synthesis: Serves as a versatile intermediate for constructing active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Manufacturing: Used in the production of herbicides, fungicides, and other crop protection agents.
• Chemical Research & Development: A valuable reagent for organic synthesis and material science research in academic and industrial labs.
• Surfactant and Detergent Precursor: Can be utilized in the development of specialized anionic surfactants.
• Photographic Chemical: Finds application in the synthesis of certain photographic chemicals and sensitizers.

Basic Information

Product Name	Sodium 4-Methyl-3-Nitrobenzenesulphonate
CAS No.	51591-66-3
Molecular Formula	C7H6NNaO5S
Molecular Weight	239.18 g/mol
Synonyms	4-Methyl-3-nitrobenzenesulfonic acid sodium salt; 3-Nitro-p-toluenesulfonic acid sodium salt; Sodium 3-nitro-4-methylbenzenesulfonate; Sodium 4-methyl-3-nitrobenzenesulfonate; Benzenesulfonic acid, 4-methyl-3-nitro-, sodium salt (1:1); p-Toluenesulfonic acid, 3-nitro-, sodium salt
EINECS	257-290-8

Quality Control

Our Sodium 4-Methyl-3-Nitrobenzenesulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research use. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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