3,3′-Thiodipropanol
3,3′-Thiodipropanol (CAS: 10595-09-2) is an organic sulfur compound with the molecular formula S(CH2CH2CH2OH)2 and a molecular weight of 150.24 g/mol. This versatile building block, featuring two primary alcohol functional groups linked by a thioether bridge, is primarily utilised in chemical synthesis. Its structured functionality makes it a valuable intermediate for creating more complex molecules and in analytical chemistry applications.
- Synonyms
- S(CH2CH2CH2OH)2

Analytical Standard
3,3′-Thiodipropanol serves as a reference standard in the precise determination of thiodiglycol concentrations within environmental samples, such as groundwater. Its use is crucial for validating sensitive analytical methodologies.
Organic Synthesis Intermediate
As a difunctional organic building block, 3,3′-Thiodipropanol is employed in the synthesis of various organic compounds. The presence of two hydroxyl groups allows for diverse derivatisation reactions.
Material Science Research
This compound can be investigated for its potential incorporation into polymers or novel materials, leveraging the properties imparted by the thioether linkage and alcohol functionalities.
| Molecular weight | 150.24 |
|---|---|
| Linear formula | S(CH2CH2CH2OH)2 |
| Assay | 98% |
| Boiling point | 140-142 °C/0.5 mmHg(lit.) |
| Density | 1.092 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.51(lit.) |
| Application | 3,3′-Thiodipropanol was used in the determination of thiodiglycol in groundwater by a highly sensitive analytical method1. |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,3′-Thiodipropanol used for?
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3,3′-Thiodipropanol is used as a building block in chemical synthesis and as an analytical standard for determining thiodiglycol in environmental samples.
What are the CAS number and formula for 3,3′-Thiodipropanol?
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The CAS number is 10595-09-2 and the linear formula is S(CH2CH2CH2OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Thiodipropanol with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 3,3′-Thiodipropanol be handled safely?
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Handle 3,3′-Thiodipropanol with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator if needed, as it is classified under WGK 2 in Germany and has a flash point of 113 °C (235.4 °F).
Is 3,3′-Thiodipropanol a controlled substance?
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Based on the provided data, 3,3′-Thiodipropanol is not listed as a controlled substance.
How is 3,3′-Thiodipropanol shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of chemicals, adhering to all necessary regulations for safe and compliant international shipping.
How can I request a sample or quote for 3,3′-Thiodipropanol?
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Please contact our sales department directly via our website or by phone to request a sample or obtain a quotation for 3,3′-Thiodipropanol.
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