2,2′-Trimethylenebis-1,3-dioxolane
2,2′-Trimethylenebis-1,3-dioxolane (CAS: 6543-04-0), with the molecular formula C9H16O4 and a molecular weight of 188.22 g/mol, is an organic compound belonging to the acetal/ketal/ortho ester class. It serves as a valuable building block in organic synthesis. Supplied at a purity of 99%, this compound is primarily utilised in chemical synthesis studies by researchers and chemists. Tech Serve Solutions provides this reagent for laboratory and industrial applications.
- IUPAC
- Glutaric dialdehyde bis(ethylene acetal)
- Synonyms
- 6543-04-0Glutaric dialdehyde bis(ethylene acetal)C9H16O4

Organic Synthesis
2,2′-Trimethylenebis-1,3-dioxolane functions as a versatile building block in organic synthesis. Its structure allows for participation in various chemical transformations, aiding in the construction of more complex molecules.
Chemical Research
This compound is employed in chemical synthesis studies, providing researchers with a reagent for exploring new synthetic pathways and methodologies. It is suitable for laboratory-scale investigations and development.
Intermediate Production
As an organic building block, 2,2′-Trimethylenebis-1,3-dioxolane can be used as an intermediate in the synthesis of various chemical products. Its specific reactivity makes it useful in multi-step synthetic routes.
| Molecular weight | 188.22 |
|---|---|
| Empirical formula | C9H16O4 |
| Assay | 99% |
| Density | 1.108 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.455(lit.) |
| Application | 2,2′-Trimethylenebis-1,3-dioxolane may be used in chemical synthesis studies. |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 2,2′-Trimethylenebis-1,3-dioxolane used for?
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2,2′-Trimethylenebis-1,3-dioxolane is used in chemical synthesis studies as a building block for organic synthesis.
What is the CAS number and formula for 2,2′-Trimethylenebis-1,3-dioxolane?
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The CAS number is 6543-04-0 and the empirical formula is C9H16O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2′-Trimethylenebis-1,3-dioxolane with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with 2,2′-Trimethylenebis-1,3-dioxolane?
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2,2′-Trimethylenebis-1,3-dioxolane is a Warning substance with hazard statements H315, H319, and H335, indicating it causes skin irritation, serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment, including eyeshields and gloves, should be used. Always consult the Safety Data Sheet (SDS) before handling.
Is 2,2′-Trimethylenebis-1,3-dioxolane available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,2′-Trimethylenebis-1,3-dioxolane, catering to international customers.
How can I request a sample or quote for 2,2′-Trimethylenebis-1,3-dioxolane?
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To request a sample or a quote, please use the contact form on our website or contact our sales department directly. Provide the product name and CAS number (6543-04-0) for prompt service.
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