Description

4-Cyano-4-(thiobenzoylthio)pentanoic acid is a specialized bifunctional organic compound that serves as a highly effective reversible addition-fragmentation chain-transfer (RAFT) polymerization agent. Its molecular structure, featuring both a reactive cyano and a thiocarbonylthio group, makes it a critical component for synthesizing polymers with precise molecular weight control and narrow polydispersity. This product is essential for researchers and manufacturers in advanced polymer science, materials engineering, and specialty chemical synthesis who require controlled radical polymerization techniques.

Application

• RAFT Polymerization Agent: A key chain transfer agent for the controlled synthesis of acrylic and methacrylic polymers and block copolymers.
• Advanced Material Synthesis: Used in the production of functional polymers for drug delivery systems, coatings, and adhesives with tailored properties.
• Research & Development: A crucial reagent in academic and industrial R&D labs for exploring new polymer architectures and macromolecular engineering.
• Surface Modification: Enables the grafting of polymer brushes onto surfaces for creating smart materials with specific surface functionalities.
• Specialty Monomer Synthesis: Acts as an intermediate in the preparation of more complex monomers and functionalized polymers.

Basic Information

Product Name	4-Cyano-4-(Thiobenzoylthio)Pentanoic Acid
CAS No.	201611-92-9
Molecular Formula	C13H13NO2S2
Molecular Weight	279.38 g/mol
Synonyms	4-Cyano-4-(phenylcarbonothioylthio)pentanoic acid; 4-Cyano-4-[(thiobenzoyl)thio]pentanoic Acid; RAFT Agent (CPADB-type); 2-(Cyano-2-phenyldisulfanylcarbonyl-propylsulfanyl)-propionic acid; 4-Cyano-4-(dithiobenzoate)pentanoic acid; S,S'-Bis(α,α'-dimethyl-α''-acetic acid)trithiocarbonate (BDAT); 2-Cyano-2-propyl benzodithioate; CTBPA
EINECS	Contact for details

Quality Control

Our 4-Cyano-4-(thiobenzoylthio)pentanoic acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity, which is critical for reproducible polymerization results. Each lot is characterized by advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and research documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under an inert atmosphere when appropriate to maintain stability and efficacy.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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