Description

3,3'-Thiodipropanol CAS NO 10595-09-2 is a sulfur-containing diol, a versatile bifunctional building block in organic synthesis. Its molecular structure, featuring both thioether and terminal hydroxyl groups, makes it a valuable intermediate for creating polymers, stabilizers, and specialty chemicals. This compound is essential for manufacturers in the polymer additives, pharmaceutical, and fine chemical industries seeking to incorporate sulfur linkages and enhance material properties.

Application

• Polymer Additives: Key intermediate in the synthesis of thiodipropionate antioxidants and stabilizers (e.g., Dilauryl Thiodipropionate, DLTDP), which protect plastics and synthetic fibers from thermal and oxidative degradation.
• Pharmaceutical Intermediates: Serves as a crucial building block for synthesizing active pharmaceutical ingredients (APIs) and drug candidates that require a thioether bridge.
• Crosslinking Agent: Used in the production of epoxy resins, polyurethanes, and other polymers where it acts as a flexible crosslinker, improving impact resistance and elasticity.
• Lubricant & Fuel Additives: Employed in formulating extreme pressure (EP) additives and anti-wear agents for industrial lubricants and functional fluids.
• Fine Chemical Synthesis: A versatile reagent for constructing sulfur-containing compounds used in agrochemicals, dyes, and photographic chemicals.
• Adhesive & Sealant Formulations: Imparts flexibility and improved adhesion properties in specialty adhesive and sealant systems.

Basic Information

Product Name	3,3'-Thiodipropanol
CAS No.	10595-09-2
Molecular Formula	C6H14O2S
Molecular Weight	150.24 g/mol
Synonyms	3,3'-Thiodi-1-propanol; Bis(3-hydroxypropyl) Sulfide; 3-Hydroxypropyl Sulfide; Thiodipropyl Alcohol; 1,1'-[Thiobis(methylene)]bis[3-propanol]; 3,3'-Dihydroxypropyl Sulfide; NSC 66400; β,β'-Dihydroxydipropyl Sulfide
EINECS	234-205-0

Quality Control

Our 3,3'-Thiodipropanol is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for industrial and fine chemical applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming specifications for identity, purity, and key physical parameters.

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 oxidizing agents and heat sources. For long-term storage, consider using an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.518 - 1.522
Density (20°C)	1.180 - 1.190 g/mL

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