Description

Ethanesulfonic Acid, 2-Hydroxy-, Zinc Salt (2:1) is a specialized organometallic salt with significant utility in advanced chemical synthesis and material science. This compound is valued for its role as a catalyst precursor and a source of bioavailable zinc in high-performance applications. It serves critical functions in the pharmaceutical, agrochemical, and specialty polymer industries, where precise metal coordination and sulfonate functionality are required. Global suppliers and R&D teams rely on this material for its consistent quality and specific reactivity profile.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly where zinc acts as a Lewis acid catalyst or a stabilizing agent.
• Crosslinking Agent: Functions as a curing or crosslinking agent in the production of specialty polymers, resins, and coatings to enhance thermal and mechanical properties.
• Catalyst Precursor: Serves as a precursor for homogeneous and heterogeneous catalysts in organic synthesis, including polymerization and condensation reactions.
• Nutritional Supplement Formulation: Employed as a source of bioavailable zinc in high-grade animal feed and specialized nutritional supplements.
• Electroplating & Surface Treatment: Used in specialized electroplating baths and surface treatment formulations to deposit zinc or modify surface characteristics.
• Research & Development: A key reagent in academic and industrial R&D for exploring new catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	Ethanesulfonic Acid, 2-Hydroxy-, Zinc Salt (2:1)
CAS No.	129756-32-7
Molecular Formula	C4H10O8S2Zn
Molecular Weight	339.63 g/mol
Synonyms	Zinc 2-hydroxyethanesulfonate; Zinc hydroxyethanesulfonate; 2-Hydroxyethanesulfonic acid zinc salt; Zinc isethionate; Zinc salt of isethionic acid; Zinc 2-hydroxyethyl sulfonate; 1-Hydroxy-2-ethanesulfonic acid zinc salt; Zinc 1-hydroxy-2-ethanesulfonate
EINECS	Contact for details

Quality Control

Our Ethanesulfonic Acid, 2-Hydroxy-, Zinc Salt (2:1) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting purity, heavy metal content, and other critical parameters are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent caking or decomposition. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (Zn content)	≥ 19.0 %
Purity (HPLC)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %
pH (5% solution)	5.0 - 7.0

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