3,3′-(Ethylenedioxy)diphenol
3,3′-(Ethylenedioxy)diphenol (CAS 61166-00-5) is a chemical compound with a molecular weight of 246.26 g/mol. Its structure features two phenol groups linked by an ethylenedioxy bridge. This molecule serves as a valuable building block and intermediate, particularly in the fields of materials science and polymer science. It is often employed as a monomer in the synthesis of advanced polymers and resins, contributing specific properties to the final materials.
- Synonyms
- HOC6H4OCH2CH2OC6H4OH

Monomer for Polymer Synthesis
Utilised as a key monomer in the creation of specialty polymers, including polyesters and polyethers. Its difunctional nature allows for chain extension and the development of materials with tailored thermal and mechanical properties.
Intermediate in Materials Science
Serves as an intermediate in the synthesis of advanced materials. Its phenolic hydroxyl groups can undergo various chemical reactions, enabling its incorporation into complex molecular architectures for specific material applications.
Resin Component
Can be incorporated into resin formulations, potentially modifying properties such as adhesion, flexibility, and chemical resistance. Applications may include coatings, adhesives, or composite materials.
| Molecular weight | 246.26 |
|---|---|
| Linear formula | HOC6H4OCH2CH2OC6H4OH |
| Assay | 85% |
| Grade | technical grade |
| Melting point | 157-160 °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) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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′-(Ethylenedioxy)diphenol used for?
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3,3′-(Ethylenedioxy)diphenol is primarily used as a monomer in polymer synthesis and as an intermediate in materials science for creating specialty polymers, resins, and other advanced materials.
What is the CAS number and formula for 3,3′-(Ethylenedioxy)diphenol?
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The CAS number for 3,3′-(Ethylenedioxy)diphenol is 61166-00-5. The linear formula is HOC6H4OCH2CH2OC6H4OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-(Ethylenedioxy)diphenol in technical grade with an assay of 85%. We do not represent this product as USP, BP, or EP grade.
How should 3,3′-(Ethylenedioxy)diphenol be handled safely?
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This compound is a warning hazard and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn. Ensure adequate ventilation and avoid breathing dust.
How is 3,3′-(Ethylenedioxy)diphenol packed and exported?
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Tech Serve Solutions, as a specialist global supplier, exports chemicals adhering to international shipping regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 3,3′-(Ethylenedioxy)diphenol?
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To request a sample or a quote for 3,3′-(Ethylenedioxy)diphenol, please contact our sales team through the website or by phone.
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