trans-1,4-Dioxane-2,3-diol
trans-1,4-Dioxane-2,3-diol (CAS 4845-50-5) is a chemical compound with the molecular formula C4H8O4 and a molecular weight of 120.10 g/mol. This dioxane derivative features two hydroxyl groups, positioning it as a valuable building block in organic synthesis. Its structure lends itself to applications in materials science, particularly in the development of novel polymers and as a monomer in polymerization processes. It is supplied by TSS with an assay of 98%.
- IUPAC
- trans-2,3-Dihydroxy-1,4-dioxane,Glyoxal monoethylene acetal
- Synonyms
- 4845-50-5C4H8O4trans-2,3-Dihydroxy-1,4-dioxaneGlyoxal monoethylene acetal

Polymer Science
As a diol, trans-1,4-Dioxane-2,3-diol can participate in polymerization reactions, serving as a monomer or co-monomer for the synthesis of polyesters, polyurethanes, and other advanced polymeric materials. Its incorporation can influence the physical and chemical properties of the resulting polymers.
Organic Synthesis Intermediate
The presence of hydroxyl groups makes this compound a versatile intermediate in organic synthesis. It can be functionalised or reacted further to create more complex molecules for research and development in various chemical fields.
Materials Science Research
Its unique cyclic structure with hydroxyl functionalities makes trans-1,4-Dioxane-2,3-diol an interesting candidate for materials science research, potentially contributing to the development of new materials with tailored properties.
| Molecular weight | 120.10 |
|---|---|
| Empirical formula | C4H8O4 |
| Assay | 98% |
| Melting point | 91-95 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 trans-1,4-Dioxane-2,3-diol used for?
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trans-1,4-Dioxane-2,3-diol is primarily used as an intermediate in organic synthesis and in polymer science. It functions as a monomer or co-monomer in polymerization reactions and is a building block for creating more complex organic molecules in materials science research.
What is the CAS number and formula for trans-1,4-Dioxane-2,3-diol?
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The CAS number for trans-1,4-Dioxane-2,3-diol is 4845-50-5, and its empirical formula (Hill Notation) is C4H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-1,4-Dioxane-2,3-diol with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should trans-1,4-Dioxane-2,3-diol be handled safely?
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Handling trans-1,4-Dioxane-2,3-diol requires caution. It is classified with GHS07 symbol and a Warning signal word, with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid inhalation and contact with skin and eyes.
Is trans-1,4-Dioxane-2,3-diol a controlled substance?
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Based on the provided data, there is no indication that trans-1,4-Dioxane-2,3-diol (CAS 4845-50-5) is a controlled substance.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. We adhere to all relevant international shipping and export regulations for chemical products, ensuring safe and compliant transit worldwide.
How can I request a quote or sample?
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To request a quote or a sample of trans-1,4-Dioxane-2,3-diol, please contact our sales team through the TSS website or via the provided contact details. Our team will be pleased to assist you with your requirements.
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