Description

2-Hydroxyethyl Benzenesulfonate is a versatile organic sulfonate ester, a key intermediate in the synthesis of specialty chemicals and functional materials. Its bifunctional structure, featuring both a sulfonate ester group and a terminal hydroxyl group, makes it a valuable building block for introducing hydrophilic and reactive sites into target molecules. This compound is particularly relevant for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to develop advanced surfactants, UV stabilizers, or active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs requiring sulfonate ester or hydroxyethyl functional groups.
• Polymer Modification: Used as a reactive monomer or cross-linking agent to introduce hydrophilic sulfonate groups into polymer backbones, enhancing properties like dyeability and moisture management.
• Surfactant & Detergent Synthesis: Serves as a key intermediate for producing anionic surfactants with specific emulsifying and wetting characteristics for industrial and specialty cleaning formulations.
• Agrochemical Production: Employed in the manufacture of certain herbicides, fungicides, and plant growth regulators where its chemical structure contributes to bioavailability and efficacy.
• UV Stabilizer & Light Absorber Precursor: Acts as a building block for synthesizing advanced organic compounds that protect materials from ultraviolet degradation.
• Chemical Research & Development: A valuable reagent in organic synthesis for creating novel compounds in academic and industrial R&D settings.

Basic Information

Product Name	2-Hydroxyethyl Benzenesulfonate
CAS No.	249285-50-5
Molecular Formula	C8H10O4S
Molecular Weight	202.23 g/mol
Synonyms	Ethylene glycol phenylsulfonate; 2-Phenoxyethanol sulfonate; Benzenesulfonic acid 2-hydroxyethyl ester; 2-Hydroxyethyl ester benzenesulfonic acid; Hydroxyethyl benzenesulfonate; Phenoxyethyl sulfonate; (2-Hydroxyethoxy)benzene sulfonate; β-Hydroxyethyl benzenesulfonate
EINECS	Contact for details

Quality Control

Our 2-Hydroxyethyl Benzenesulfonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all relevant parameters is provided with every shipment to guarantee traceability and consistency.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Density (at 20°C)	~1.25 g/cm³

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