Description

2-Carboxyethylthiosuccinic Acid (Cetsa) is a specialized organic acid featuring both carboxylic and thioether functional groups, making it a versatile intermediate for synthesis. This compound is valued for its ability to act as a chelating agent and a building block for creating more complex molecules with specific properties. It is primarily sought by manufacturers in the polymer, pharmaceutical, and specialty chemical industries for applications ranging from scale inhibition to pharmaceutical synthesis.

Application

• Polymer Additive: Used as a monomer or chain transfer agent in the production of specialty polymers and resins.
• Scale & Corrosion Inhibitor: An effective chelating agent in water treatment formulations to control scale formation in industrial cooling and boiler systems.
• Pharmaceutical Intermediate: Serves as a key synthetic building block for active pharmaceutical ingredients (APIs) and other fine chemicals.
• Detergent Builder: Functions as a co-builder in detergent formulations to enhance cleaning efficiency by sequestering metal ions.
• Textile & Leather Processing: Employed in dyeing and tanning processes as a dispersing or complexing agent.
• Photographic Chemicals: Used in the formulation of certain photographic developers and processing solutions.
• Agricultural Chemicals: Acts as an intermediate in the synthesis of certain herbicides and plant growth regulators.

Basic Information

Product Name	2-Carboxyethylthiosuccinic Acid (Cetsa)
CAS No.	19343-85-2
Molecular Formula	C7H10O6S
Molecular Weight	222.21 g/mol
Synonyms	3-[(1,2-Dicarboxyethyl)thio]propanoic Acid; 3-(1,2-Dicarboxyethylthio)propionic Acid; Thiodisuccinic Acid Derivative; CETSA; 2-Carboxyethylthiosuccinate; 3-(Carboxymethylthio)succinic Acid; 19343-85-2
EINECS	Contact for details

Quality Control

Our 2-Carboxyethylthiosuccinic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for purity, identity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use 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	≤ 2.0%
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.