Description

2-Ethoxy-5-Hydrazinobenzenesulphonic Acid is a specialized aromatic sulfonic acid derivative featuring a hydrazine functional group. This compound serves as a versatile and critical intermediate in the synthesis of complex organic molecules, particularly in the pharmaceutical and fine chemical sectors. Its unique structure makes it valuable for researchers and manufacturers developing active pharmaceutical ingredients (APIs), dyes, and advanced chemical reagents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring a functionalized benzenesulfonic acid core.
• Dye and Pigment Manufacturing: Used as a precursor in the production of azo dyes and other complex colorants.
• Chemical Research & Development: Serves as a versatile reagent for introducing hydrazine and sulfonic acid functionalities in organic synthesis.
• Agrochemical Synthesis: Intermediate in the development of certain herbicides and plant growth regulators.
• Complexing Agent Precursor: Can be utilized to create ligands for metal complexation in catalytic or analytical applications.

Basic Information

Product Name	2-Ethoxy-5-Hydrazinobenzenesulphonic Acid
CAS No.	85099-37-2
Molecular Formula	C8H12N2O4S
Molecular Weight	232.26 g/mol
Synonyms	5-Hydrazino-2-ethoxybenzenesulfonic Acid; 2-Ethoxy-5-hydrazinylbenzenesulfonic acid; Benzenesulfonic acid, 2-ethoxy-5-hydrazinyl-; 85099-37-2; 5-Hydrazinyl-2-ethoxybenzenesulfonic acid; 2-Ethoxy-5-hydrozinobenzenesulfonic acid (alternate spelling)
EINECS	Contact for details

Quality Control

Our 2-Ethoxy-5-Hydrazinobenzenesulphonic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical characteristics is provided with every shipment. We are committed to meeting the stringent requirements of our global partners in research and manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its property of being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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