Description

1-Aminoethanethiol is a versatile organosulfur compound featuring both an amine and a thiol functional group. This dual functionality makes it a valuable intermediate for synthesizing complex molecules, particularly in pharmaceutical and fine chemical manufacturing. It is essential for researchers and industrial chemists developing active pharmaceutical ingredients (APIs), ligands for metal catalysis, and specialty polymers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing various drug candidates, including those with sulfur-containing heterocycles.
• Ligand Synthesis: Used to create chelating agents and ligands for transition metal catalysts in asymmetric synthesis.
• Polymer Modification: Serves as a chain transfer agent or functional monomer to introduce amine and thiol groups into polymer backbones.
• Bioconjugation Chemistry: Utilized in protein and peptide modification due to its reactive thiol group for forming disulfide bonds.
• Chemical Research: A fundamental reagent in organic synthesis for constructing C–S and C–N bonds.
• Surface Functionalization: Applied to modify material surfaces (e.g., gold nanoparticles) to impart specific chemical properties.

Basic Information

Product Name	1-Aminoethanethiol
CAS No.	43489-04-9
Molecular Formula	C2H7NS
Molecular Weight	77.15 g/mol
Synonyms	2-Aminoethanethiol; 2-Mercaptoethylamine; Cysteamine (base); β-Mercaptoethylamine; Thioethanolamine; Aminoethyl mercaptan; Decarboxycysteine; 2-Amino-1-ethanethiol
EINECS	Contact for details

Quality Control

Our 1-Aminoethanethiol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C to minimize oxidation and degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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