Description

Sulfoacetic Acid CAS NO 123-43-3 is a versatile organosulfur compound featuring both sulfonic and carboxylic acid functional groups. This dual functionality makes it a valuable intermediate and additive in demanding chemical synthesis and formulation processes. It is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to introduce sulfonate moieties or enhance solubility and reactivity in their products.

Application

• Agrochemical Intermediate: Key building block in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a reagent and intermediate for creating active pharmaceutical ingredients (APIs) with improved bioavailability.
• Surfactant & Detergent Industry: Serves as a precursor for specialized anionic surfactants and hydrotropes.
• Textile & Leather Processing: Employed as a dyeing auxiliary and tanning agent to improve color fastness and material quality.
• Electroplating & Metal Treatment: Acts as an additive in electroplating baths and metal surface treatment formulations.
• Polymer Modification: Utilized to introduce sulfonate groups into polymers, enhancing their water solubility and ionic character.

Basic Information

Item	Details
Product Name	Sulfoacetic Acid
CAS No.	123-43-3
Molecular Formula	C2H4O5S
Molecular Weight	140.11 g/mol
Synonyms	Sulfanylideneacetic Acid; 2-Sulfoacetic Acid; Mercaptoacetic Acid Sulfonate; Thioglycolic Acid Sulfonate; Acetic Acid, 2-sulfo-; Acetic Acid, sulfo-; NSC 403697; Kyselina sulfooctova
EINECS	204-635-8

Quality Control

Our Sulfoacetic Acid is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for industrial and fine chemical applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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