3,3,3′,3′-Tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol
3,3′,3′,3′-Tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol (CAS: 77-08-7) is an organic compound with the molecular formula C21H24O4 and a molecular weight of 340.41 g/mol. This spiro compound features a unique spirocyclic structure with multiple hydroxyl groups, suggesting potential applications in materials science and as a monomer for polymer synthesis. Its specific stereochemistry and functional groups make it a compound of interest for advanced chemical research.
- Synonyms
- 3,3′,3′,3′-Tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol77-08-7

Monomer for Polymer Synthesis
The tetraol functional groups present in 3,3′,3′,3′-Tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol make it a potential candidate for use as a monomer in the synthesis of specialty polymers. It can participate in polymerization reactions to create novel polymer backbones with unique structural properties.
Materials Science Research
Its distinct spirobiindane core and hydroxyl functionalities lend themselves to applications in materials science. Researchers may utilise this compound for developing new materials with specific thermal, optical, or mechanical characteristics.
Organic Synthesis Intermediate
As a complex organic molecule, it can serve as an intermediate in the synthesis of more complex chemical entities. Its structure offers a versatile platform for further chemical modification and derivatization in research settings.
| Molecular weight | 340.41 |
|---|---|
| Empirical formula | C21H24O4 |
| Assay | 96% |
| Melting point | >300 °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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... SHBG(6462) |
|---|
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′,3′,3′-Tetramethyl-1,1′-spirobiindane-5,5′,6,6′-tetraol primarily used for?
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Based on its chemical structure, it is primarily considered for applications as a monomer in polymer synthesis and in materials science research due to its unique spirocyclic nature and multiple hydroxyl groups.
What is the CAS number and chemical formula for this compound?
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The CAS number is 77-08-7 and the empirical formula (Hill Notation) is C21H24O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 96%. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety concerns when handling this chemical?
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This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment including dust mask (N95), eyeshields, and gloves should be used.
How is this product typically packed and exported?
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Tech Serve Solutions ensures proper packaging suitable for export to maintain product integrity during transit. Specific details regarding packing configurations can be provided upon request.
How can I request a sample or obtain a quote for this chemical?
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To request a sample or obtain a quote, please contact our sales department through our website or via the provided contact details, specifying the product name and CAS number (77-08-7).
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