Description

4-Mercaptoacetophenone is a versatile sulfur-containing aromatic ketone, recognized by the CAS number 3814-20-8. This compound serves as a critical building block in organic synthesis, valued for its reactive thiol and carbonyl functional groups. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel molecules and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing thioether or heterocyclic structures.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides where the mercapto group introduces specific biological activity.
• Ligand and Catalyst Preparation: Employed in the preparation of sulfur-based ligands for metal catalysis and coordination chemistry.
• Material Science Research: Acts as a monomer or functionalization agent in the creation of polymers and advanced materials with tailored properties.
• Chemical Research & Development: A valuable reagent for exploring new organic reactions and synthesizing complex sulfur-containing compounds in academic and industrial R&D labs.

Basic Information

Product Name	4-Mercaptoacetophenone
CAS No.	3814-20-8
Molecular Formula	C8H8OS
Molecular Weight	152.21 g/mol
Synonyms	1-(4-Mercaptophenyl)ethanone; 4-Acetylbenzenethiol; 4-Acetylthiophenol; p-Mercaptoacetophenone; p-Acetylbenzenethiol; 4-Acetylphenyl mercaptan; 4-Thiolacetophenone; 4-MAP
EINECS	223-300-6

Quality Control

Our 4-Mercaptoacetophenone is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC/GC purity, identity confirmation (IR, NMR), and impurity profiling. A Certificate of Analysis (COA) detailing all specifications is available for every batch upon request, supporting your quality assurance and regulatory compliance needs.

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 for long-term stability. This product is easily oxidized and moisture-sensitive; ensure containers are sealed immediately after use to prevent degradation.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
Loss on Drying	≤ 0.5%

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