Description

Thiodisuccinic Acid CAS NO 4917-76-4 is a sulfur-containing dicarboxylic acid derivative known for its unique chemical functionality. This compound matters as a versatile intermediate and chelating agent, offering enhanced metal-binding capabilities compared to conventional succinic acids. Industrial buyers in the global chemical manufacturing sector need it for applications ranging from specialty polymer synthesis to the formulation of high-performance cleaning and water treatment agents.

Application

• Chelating Agent & Sequestrant: Used in industrial and institutional cleaning formulations, detergents, and water treatment chemicals to control water hardness and metal ion interference.
• Polymer & Resin Intermediate: Serves as a monomer or cross-linking agent in the synthesis of specialty polyesters, polyamides, and other polymers requiring sulfur functionality.
• Personal Care & Cosmetics: Employed as a stabilizer and chelating agent in shampoos, creams, and other personal care products to enhance shelf-life and performance.
• Textile & Leather Processing: Acts as a dispersing and chelating agent in dyeing, finishing, and tanning processes to improve color fastness and product quality.
• Paper & Pulp Industry: Utilized in bleaching and processing to sequester metal ions that can catalyze decomposition and degrade product quality.
• Agricultural Chemicals: Functions as a component in certain herbicide and pesticide formulations, enhancing stability and efficacy.
• Oilfield Chemicals: Applied in scale inhibition and as a component in drilling fluid formulations.
• Laboratory & Research: Used as a biochemical reagent and a building block in organic synthesis for pharmaceutical and material science research.

Basic Information

Product Name	Thiodisuccinic Acid
CAS No.	4917-76-4
Molecular Formula	C8H10O8S
Molecular Weight	266.22 g/mol
Synonyms	2,2'-(Thiodicarbonyl)dipropanoic acid; 2,2'-(Thiodicarbonyl)bispropanoic acid; 2,2'-Thiodisuccinic Acid; 2,2'-Sulfanediyldisuccinic Acid; 2,2'-Thiobis(succinic acid); TDSA; Mercaptosuccinic Acid Dimer; Bis(2-carboxyethyl) Sulfide; (2-Carboxyethyl)sulfanediyldipropanoic Acid
EINECS	225-537-3

Quality Control

Our Thiodisuccinic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting results for key parameters such as Assay, Loss on Drying, and Heavy Metals are available upon request to support your quality assurance protocols.

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); the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can lead to caking or degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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