Description

Sodium Prop-2-Yne-1-Sulfonate is a versatile organic sulfonate salt with a terminal alkyne functional group. This unique structure makes it a valuable building block and intermediate in advanced organic synthesis and materials science. It is particularly sought after by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly in click chemistry (CuAAC) reactions for drug discovery and bioconjugation.
• Agrochemical Synthesis: Serves as a key precursor for developing new herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or functionalizing agent for creating water-soluble polymers, hydrogels, and surface coatings with enhanced properties.
• Corrosion Inhibition: Employed in formulations for industrial water treatment and metal surface protection due to its sulfonate group.
• Research & Development: A crucial reagent in academic and industrial labs for organic synthesis, catalysis studies, and developing new chemical entities.
• Electroplating Additive: Used in electroplating baths to improve brightness, leveling, and throwing power of metal deposits.

Basic Information

Product Name	Sodium Prop-2-Yne-1-Sulfonate
CAS No.	55947-46-1
Molecular Formula	C₃H₃NaO₃S
Molecular Weight	142.11 g/mol
Synonyms	Sodium Propargylsulfonate; Propargylsulfonic Acid Sodium Salt; 3-Butyn-1-sulfonic Acid Sodium Salt; Sodium 3-Butyn-1-sulfonate; Sodium 2-Propyn-1-ylsulfonate; 2-Propyn-1-sulfonic Acid Sodium Salt; SPYS; PAS-Na
EINECS	Contact for details

Quality Control

Our Sodium Prop-2-Yne-1-Sulfonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

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) and must be kept in a dry environment to prevent caking and decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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