Description

2-Amino-5-Methylbenzene-1,4-Disulfonic Acid is a key aromatic sulfonic acid derivative, serving as a versatile and critical intermediate in advanced organic synthesis. Its value lies in its bifunctional structure, which provides reactive sites for the production of complex dyes, pigments, and specialty chemicals. This compound is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing novel agrochemicals and pharmaceutical intermediates.

Application

• Primary Intermediate for Dyes and Pigments: A crucial building block in the synthesis of azo dyes, acid dyes, and reactive dyes, contributing to color fastness and brilliance.
• Agrochemical Synthesis: Used in the manufacture of certain herbicides and plant growth regulators, where its sulfonic acid groups aid in solubility and bioavailability.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring a disulfonated aniline backbone.
• Chemical Research & Development: Serves as a model compound or starting material in organic chemistry research for studying sulfonation reactions and coupling mechanisms.
• Specialty Chemical Production: Utilized in the synthesis of optical brighteners, complexing agents, and other high-value functional chemicals.

Basic Information

Product Name	2-Amino-5-Methylbenzene-1,4-Disulfonic Acid
CAS No.	76015-36-6
Molecular Formula	C7H9NO6S2
Molecular Weight	267.28 g/mol
Synonyms	4-Amino-6-methyl-1,3-benzenedisulfonic Acid; 2-Amino-5-methyl-m-benzenedisulfonic Acid; 6-Methyl-4-aminobenzene-1,3-disulfonic Acid; 4-Amino-6-methylbenzene-1,3-disulfonic Acid; 2-Amino-5-methyl-1,4-benzenedisulfonic Acid; 5-Methyl-2-aminobenzene-1,4-disulfonic Acid; 4-Amino-6-methylbenzene-m-disulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 2-Amino-5-Methylbenzene-1,4-Disulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and quality assurance.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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