Description

Propane-1,2,3-Trithiol is a versatile organosulfur compound characterized by its three thiol (-SH) functional groups. This unique structure makes it a valuable building block and ligand in advanced chemical synthesis and materials science. It is particularly sought after by researchers and manufacturers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring precise sulfur incorporation or metal complexation.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting sulfur-containing bioactive molecules.
• Polymer Modification & Cross-linking Agent: Used to introduce thiol groups into polymer chains, enhancing properties like adhesion, elasticity, and thermal stability in specialty resins and rubbers.
• Ligand in Catalysis & Metal Complexation: Acts as a chelating agent for various metals (e.g., gold, platinum, palladium) in catalytic systems and for creating metal-organic frameworks (MOFs).
• Chemical Synthesis Building Block: Employed in organic synthesis to construct complex molecules, including heterocycles and dendrimers, leveraging its multiple reactive sites.
• Surface Functionalization: Used to modify material surfaces (e.g., gold nanoparticles, semiconductors) to alter their chemical and physical properties for sensor or electronic applications.
• Flavor & Fragrance Industry: May be utilized in the synthesis of sulfur-containing flavor compounds at high purity grades.

Basic Information

Product Name	Propane-1,2,3-Trithiol
CAS No.	4756-13-2
Molecular Formula	C3H8S3
Molecular Weight	140.29 g/mol
Synonyms	1,2,3-Trithioglycerol; 1,2,3-Trimercaptopropane; Glycerol Trithioglycolate; 1,2,3-Propanetrithiol; 3-Mercapto-1,2-propanedithiol; Tris(mercaptomethyl)methane (incorrect but common); Thioglycerol (ambiguous); Propylenetrithiol
EINECS	225-287-1

Quality Control

Our Propane-1,2,3-Trithiol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets the required specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated place. Due to its sensitivity to oxidation, prolonged exposure to air should be avoided. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 5.0%

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