1,4-Dithiane-2,5-diol
1,4-Dithiane-2,5-diol (CAS: 40018-26-6) is a heterocyclic organic compound with the molecular formula C4H8O2S2 and a molecular weight of 152.24 g/mol. This sulfur-containing building block is primarily utilised in chemical synthesis. It has been documented for its application in analysing aroma volatiles derived from cooked meat, particularly in studies involving animal feed supplements.
- IUPAC
- 2,5-Dihydroxy-1,4-dithiane,Mercaptoacetaldehyde dimer
- Synonyms
- 40018-26-6C4H8O2S22,5-Dihydroxy-1,4-dithianeMercaptoacetaldehyde dimer

Aroma Volatile Analysis
1,4-Dithiane-2,5-diol has been employed in the scientific analysis of volatile compounds responsible for the aroma of cooked meats. This application is particularly relevant in studies investigating the effects of dietary supplements on meat quality.
Heterocyclic Synthesis
As a heterocyclic building block, this compound serves as a valuable intermediate in the synthesis of more complex organic molecules. Its structure facilitates various chemical transformations.
Chemical Research
The compound is utilised in laboratory settings for general chemical synthesis and research purposes, contributing to the development of novel compounds and reaction pathways.
| Molecular weight | 152.24 |
|---|---|
| Empirical formula | C4H8O2S2 |
| Assay | ≥90% (S) |
| Storage temperature | 2-8°C |
| Application | 1,4-Dithiane-2,5-diol was used to analyze the different aroma volatiles of the cooked meat from animals fed dietary polyunsaturated fatty acids supplements1. |
| Melting point | 130 °C (dec.)(lit.) |


Hazard statements
- H301Toxic if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41-43-52/53 |
| Safety statements (S) | 26-36/37/39-61 |
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 1,4-Dithiane-2,5-diol used for?
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1,4-Dithiane-2,5-diol is used as a building block in chemical synthesis and has been applied in the analysis of aroma volatiles in cooked meat. It is also a useful compound for general chemical research.
What are the CAS number and formula for 1,4-Dithiane-2,5-diol?
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The CAS number for 1,4-Dithiane-2,5-diol is 40018-26-6, and its empirical formula is C4H8O2S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Dithiane-2,5-diol with an assay of ≥90% (S). We do not represent this product as USP, BP, or EP grade.
How should 1,4-Dithiane-2,5-diol be handled safely?
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Due to its hazardous properties, 1,4-Dithiane-2,5-diol requires careful handling. Appropriate personal protective equipment including a dust mask (N95), eyeshields, face shields, and gloves is essential. The compound is corrosive and can cause serious eye damage, is harmful if swallowed, and may cause an allergic skin reaction.
Is 1,4-Dithiane-2,5-diol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,4-Dithiane-2,5-diol. Please contact us for export inquiries.
How can I request a sample or quote for 1,4-Dithiane-2,5-diol?
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To request a sample or a quote for 1,4-Dithiane-2,5-diol, please visit our website or contact our sales department directly.
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