Description

2-Bromo-1-ethanesulfonic acid is a versatile organosulfur compound featuring both a bromoalkyl and a sulfonic acid functional group. This dual functionality makes it a valuable alkylating agent and a strong acid catalyst in specialized organic synthesis. It is primarily sought after by researchers and manufacturers in the pharmaceutical and fine chemical industries for the development of novel intermediates and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drugs and other bioactive molecules.
• Chemical Synthesis Reagent: Acts as an alkylating agent for introducing the 2-bromoethanesulfonyl moiety into target molecules.
• Catalyst & Additive: Utilized as a strong acid catalyst in specific esterification and condensation reactions.
• Biochemical Research: Used in proteomics and enzyme studies as a modifying agent for cysteine residues.
• Material Science: Intermediate for the production of specialized surfactants and ionic liquids.
• Agrochemical Synthesis: Component in the research and development of new herbicides and fungicides.

Basic Information

Product Name	2-Bromo-1-ethanesulfonic Acid
CAS No.	26978-65-4
Molecular Formula	C2H5BrO3S
Molecular Weight	189.03 g/mol
Synonyms	2-Bromoethanesulfonic Acid; Bromoethanesulfonic Acid; Ethanesulfonic Acid, 2-bromo-; 2-Bromoethane-1-sulfonic Acid; NSC 401564; β-Bromoethanesulfonic Acid; 1-Bromo-2-sulfoethane; Bromoethylsulfonic Acid
EINECS	Contact for details

Quality Control

Our 2-Bromo-1-ethanesulfonic acid is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee it meets your research and production specifications.

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 should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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