Description

1,2-Ethanedisulfonic Acid is a versatile organic disulfonic acid characterized by its two strongly acidic sulfonic acid groups. This compound serves as a valuable building block and catalyst in specialized organic synthesis and industrial processes. It is particularly relevant for manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking a strong, water-soluble organic acid for reactions like esterification, catalysis, or as a precursor for sulfonate salts.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Catalyst & Reagent: Acts as a strong acid catalyst in organic synthesis reactions, including esterification and alkylation.
• Chemical Synthesis Building Block: Serves as a precursor for the production of various sulfonate salts, surfactants, and ion-exchange resins.
• Electroplating & Surface Treatment: Employed in specialized electroplating baths and metal surface treatment formulations.
• Research & Development: Utilized in chemical research for studying reaction mechanisms and developing new synthetic methodologies.
• Polymer Modification: Can be used to introduce sulfonic acid groups into polymers to alter their solubility or ionic properties.

Basic Information

Product Name	1,2-Ethanedisulfonic Acid
CAS No.	110-04-3
Molecular Formula	C2H6O6S2
Molecular Weight	190.19 g/mol
Synonyms	Ethane-1,2-disulfonic Acid; Ethylenedisulfonic Acid; 1,2-Disulfoethane; Ethane Disulfonic Acid; Ethyl Disulfonate (acid); EDS Acid; EDA (Ethane Disulfonic Acid); NSC 403697
EINECS	203-732-3

Quality Control

Our 1,2-Ethanedisulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A detailed Certificate of Analysis (COA) providing specifications for identity, assay, and impurity profiles is available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. Due to its strong acid nature, ensure containers are kept upright and clearly labeled.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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