Description

Propanoic Acid, 3-Sulfo- is a versatile sulfonated organic acid derivative, also known as 3-Sulfopropanoic acid. This compound serves as a valuable intermediate and building block in advanced chemical synthesis, offering unique reactivity due to its combination of carboxylic acid and sulfonic acid functional groups. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring water-solubility enhancement, metal chelation, or the introduction of anionic character.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs to improve solubility and bioavailability.
• Agrochemical Synthesis: Acts as a key precursor for manufacturing certain herbicides, fungicides, and plant growth regulators.
• Specialty Surfactants & Detergents: Serves as a building block for producing anionic surfactants with high water solubility and stability.
• Polymer Modification: Employed to introduce sulfonate groups into polymers for enhanced hydrophilicity, dyeability, or antistatic properties.
• Metal Chelation & Plating: Functions as a complexing agent in electroplating baths and metal surface treatment formulations.
• Catalyst & Ligand Synthesis: Used in the preparation of specialized catalysts and ligands for organic transformations.

Basic Information

Item	Details
Product Name	Propanoic Acid, 3-Sulfo-
CAS No.	44826-45-1
Molecular Formula	C3H6O5S
Molecular Weight	154.14 g/mol
Synonyms	3-Sulfopropanoic Acid; 3-Sulfopropionic Acid; β-Sulfopropionic Acid; Propionic-3-sulfonic Acid; 2-Carboxyethanesulfonic Acid; 1,3-Propanedioic Acid, 3-sulfo-; UNII-8V71SHC9VQ
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 3-Sulfo- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and consistent purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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.

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)	≤ 10 ppm

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