Description

α-Sulfophenylacetic Acid is a key organic intermediate featuring both sulfonic acid and carboxylic acid functional groups. This unique structure makes it a versatile building block for synthesizing more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for manufacturers requiring a high-purity, reactive precursor for the production of active pharmaceutical ingredients (APIs), dyes, and specialty surfactants.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various β-lactam antibiotics and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Production: Serves as a key component in the synthesis of specialty azo dyes and colorants.
• Surfactant and Detergent Industry: Acts as a raw material for producing anionic surfactants with enhanced solubility and performance.
• Chemical Research & Development: Employed as a versatile building block in organic synthesis and process development.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers to alter their solubility and ionic properties.

Basic Information

Product Name	α-Sulfophenylacetic Acid
CAS No.	41360-32-1
Molecular Formula	C8H8O5S
Molecular Weight	216.21 g/mol
Synonyms	2-(Sulfophenyl)acetic Acid; (2-Sulfophenyl)acetic Acid; Benzenesulfonylacetic Acid; 2-Carboxymethylbenzenesulfonic Acid; Phenylsulfonylacetic Acid; SPAA; α-SPAA; α-Sulfophenylacetic Acid
EINECS	Contact for details

Quality Control

Our α-Sulfophenylacetic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and pharmaceutical-grade applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
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.