Description

3-Amino-1-propanesulfonic acid is an important amino sulfonic acid derivative, serving as a versatile zwitterionic buffer and biochemical building block. Its unique structure provides excellent buffering capacity in the physiological pH range, making it a critical reagent for stabilizing biological systems. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and diagnostic sectors, where precise pH control and molecular synthesis are paramount.

Application

• Biochemical Buffer: Used in electrophoresis, chromatography, and cell culture media to maintain stable pH conditions.
• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Diagnostic Reagents: Employed in the formulation of buffers for clinical diagnostic kits and assays.
• Bioconjugation & Protein Chemistry: Utilized as a linker or spacer molecule in the modification of proteins and peptides.
• Surfactant & Detergent Formulations: Acts as a precursor for the synthesis of specialized zwitterionic surfactants.
• Research & Development: A fundamental reagent in life science research for studying enzyme kinetics and protein interactions.

Basic Information

Product Name	3-Amino-1-propanesulfonic Acid
CAS No.	3687-18-1
Molecular Formula	C₃H₉NO₃S
Molecular Weight	139.17 g/mol
Synonyms	3-Aminopropanesulfonic acid; Homotaurine; 3-APS; 3-Amino-1-propanesulfonate; 3-Aminopropylsulfonic acid; 1-Propanesulfonic acid, 3-amino-; Tramiprosate (pharmaceutical name)
EINECS	222-994-1

Quality Control

Our 3-Amino-1-propanesulfonic acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) documenting all test results are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.