Description

Sodium 3-Aminopropanesulphonate is an important zwitterionic buffer agent and organic sulfonate intermediate. Its unique structure provides excellent buffering capacity and chelating properties, making it a versatile component in high-value formulations. This compound is essential for manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors seeking reliable, high-purity raw materials for sensitive processes.

Application

• Pharmaceutical Buffer Agent: Used in the formulation of parenteral solutions, ophthalmic preparations, and cell culture media due to its physiological compatibility and stable pH control.
• Biochemical Research Reagent: Serves as a key component in electrophoresis buffers, protein purification, and enzymatic reaction systems.
• Chemical Synthesis Intermediate: Acts as a precursor for synthesizing more complex sulfobetaines, surfactants, and specialty polymers.
• Personal Care & Cosmetics: Incorporated into high-end skincare and haircare formulations for its mild and stabilizing characteristics.
• Detergent & Surfactant Systems: Functions as a hydrotrope and stabilizer in concentrated liquid detergent formulations.
• Electroplating Additive: Used in specialty plating baths to improve surface finish and metal distribution.

Basic Information

Product Name	Sodium 3-Aminopropanesulphonate
CAS No.	14650-46-5
Molecular Formula	C3H8NNaO3S
Molecular Weight	161.15 g/mol
Synonyms	3-Aminopropanesulfonic Acid Sodium Salt; Homotaurine Sodium Salt; Sodium 3-Aminopropane-1-sulfonate; 3-APS Sodium Salt; Sodium Salt of 3-Aminopropylsulfonic Acid; Sodium Homotaurinate; 1-Propanesulfonic acid, 3-amino-, monosodium salt
EINECS	238-701-1

Quality Control

Our Sodium 3-Aminopropanesulphonate is manufactured under a strict quality management system. We provide material suitable for pharmaceutical and research applications, with quality parameters including assay, impurity profile, and residual solvent analysis. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing results against agreed specifications. Our quality commitment ensures traceability, consistency, and compliance with cGMP principles where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of atmospheric moisture, which can affect quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
pH (5% Solution)	6.0 - 8.0
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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