Description

3-Chloro-1-Propanesulfonic Acid Sodium Salt is a versatile organosulfur compound that serves as a key sulfonate precursor and building block in advanced chemical synthesis. Its value lies in its bifunctional reactivity, featuring both a reactive chloroalkyl group and a stable sulfonate moiety, enabling its use in the creation of surfactants, functional polymers, and pharmaceutical intermediates. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce sulfonate functionality or create zwitterionic structures.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing sulfonamide drugs, kinase inhibitors, and other active pharmaceutical ingredients (APIs).
• Surfactant & Detergent Synthesis: Used to produce anionic surfactants and hydrotropes with excellent solubility and stability properties.
• Polymer Modification: Acts as a monomer or grafting agent to introduce sulfonate groups into polymers, enhancing hydrophilicity and ion-exchange capacity.
• Bioconjugation & Protein Chemistry: Employed as a linker or reagent for modifying biomolecules, such as peptides and antibodies, due to its reactive chloro handle.
• Agrochemical Synthesis: Serves as an intermediate in the production of herbicides, fungicides, and plant growth regulators.
• Electroplating Additives: Functions as a brightening agent or stabilizer in electroplating baths for improved metal deposition.
• Research & Development: A valuable reagent in organic synthesis for constructing complex molecules with sulfonic acid groups.

Basic Information

Product Name	3-Chloro-1-Propanesulfonic Acid Sodium Salt
CAS No.	51034-39-0
Molecular Formula	C3H6ClNaO3S
Molecular Weight	180.58 g/mol
Synonyms	1-Propanesulfonic acid, 3-chloro-, sodium salt (1:1); Sodium 3-chloropropanesulfonate; 3-Chloropropanesulfonic acid sodium salt; 3-Chloro-1-propanesulfonate sodium salt; 3-CPS-Na; CPS-Na; 3-Chloropropylsulfonic acid sodium salt; Sodium 3-chloro-1-propanesulfonate
EINECS	256-991-3

Quality Control

Our 3-Chloro-1-Propanesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results for assay, impurities, and other critical parameters. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent absorption of moisture and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Chloride (as Cl)	≤ 0.5%
Sulfate (as SO4)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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