Description

Pentaerythrityl Tetrathiol CAS NO 4720-60-9 is a versatile tetrafunctional thiol compound, serving as a critical building block in advanced material synthesis. Its value lies in its ability to act as a cross-linking agent and chain transfer agent, enabling the creation of polymers with tailored mechanical and chemical properties. This product is essential for R&D and production teams in the polymer, adhesive, and specialty chemical industries seeking to develop high-performance, sulfur-containing materials.

Application

• As a cross-linking agent in the production of high-performance epoxy resins and polyurethane systems.
• Utilized as a chain transfer agent (CTA) in radical polymerization to control polymer molecular weight and architecture.
• A key monomer for synthesizing thiol-ene network polymers, which are used in coatings, adhesives, and optical materials.
• Employed in the formulation of sealants and adhesives where rapid curing and chemical resistance are required.
• Used in the research and development of functionalized nanoparticles and surface modification agents.
• Acts as a precursor for ligands in metal coordination chemistry and catalysis.
• Applied in the synthesis of dendrimers and hyperbranched polymers with precise thiol functionality.

Basic Information

Product Name	Pentaerythrityl Tetrathiol
CAS No.	4720-60-9
Molecular Formula	C9H20O4S4
Molecular Weight	344.51 g/mol
Synonyms	Pentaerythritol Tetrakis(3-mercaptopropionate); Pentaerythritol Tetrathioglycolate; PETMP; Tetrakis(3-mercaptopropionyloxymethyl)methane; 3-Mercaptopropionic Acid Pentaerythritol Tetraester; Pentaerythritol Tetrakis(2-mercaptoacetate) (common misnomer); Pentaerythritol Tetrathiolglycolate; Pentaerythrityl Tetra(3-mercaptopropionate)
EINECS	225-190-0

Quality Control

Our Pentaerythrityl Tetrathiol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency and high purity, meeting the specifications required for advanced material synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon to preserve efficacy.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 95.0%
Thiol Content	≥ 11.6 meq/g
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.520 - 1.530
Density (20°C)	1.28 - 1.32 g/mL

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