Description

(Phenylthio)Acetic Acid CAS NO 103-04-8 is a versatile organosulfur compound featuring both a thioether and a carboxylic acid functional group. This unique structure makes it a valuable building block in organic synthesis, particularly for the preparation of more complex sulfur-containing molecules. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable, high-purity intermediate for their processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those containing sulfur heterocycles or thioether linkages.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the phenylthio moiety imparts specific biological activity.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing chelating ligands used in coordination chemistry and catalysis.
• Polymer Modification: Acts as a monomer or modifier in the creation of specialty polymers with tailored properties like adhesion or chemical resistance.
• Organic Synthesis Building Block: Employed in various reactions, including alkylations and condensations, to introduce the (phenylthio)acetic acid moiety into target molecules.
• Research & Development: A critical reagent in academic and industrial R&D labs for exploring new synthetic pathways and novel chemical entities.

Basic Information

Product Name	(Phenylthio)Acetic Acid
CAS No.	103-04-8
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	2-(Phenylthio)acetic Acid; (Phenylmercapto)acetic Acid; α-(Phenylthio)acetic Acid; Benzenethiolacetic Acid; Phenylthioethanoic Acid; PTAA; PTA; Thioglycolic Acid Phenyl Ester
EINECS	203-072-9

Quality Control

Our (Phenylthio)Acetic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	64 - 68 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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