Description

2-(Methylamino)-5-Sulphobenzoic Acid is a specialized organic intermediate featuring both a sulphonic acid and a methylamino functional group. This compound is valued for its role in synthesizing more complex molecules, particularly in the production of dyes, pigments, and pharmaceutical agents. It is essential for manufacturers and R&D laboratories in the fine chemical, agrochemical, and specialty dye industries seeking a reliable building block for advanced synthesis.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and organic pigments.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Production: Used in the manufacture of herbicides, fungicides, and other crop protection agents.
• Chemical Research & Development: Employed as a versatile intermediate in organic synthesis and process development.
• Specialty Chemical Manufacturing: A component in the production of surfactants, corrosion inhibitors, and other performance chemicals.

Basic Information

Product Name	2-(Methylamino)-5-Sulphobenzoic Acid
CAS No.	89-42-9
Molecular Formula	C8H9NO5S
Molecular Weight	231.23 g/mol
Synonyms	5-Sulfo-2-(methylamino)benzoic Acid; 2-Methylamino-5-sulfobenzoic Acid; Benzoic acid, 2-(methylamino)-5-sulfo-; 5-Carboxy-2-methylaminobenzenesulfonic Acid; 2-Amino-N-methyl-5-sulfobenzoic Acid; 89-42-9; 2-Methylamino-5-sulfonylbenzoic Acid
EINECS	201-907-7

Quality Control

Our 2-(Methylamino)-5-Sulphobenzoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support our clients' regulatory needs with full traceability and documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); 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	≤ 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.