4,7-Dihydroxy-1,10-phenanthroline
4,7-Dihydroxy-1,10-phenanthroline (CAS 3922-40-5), with a molecular formula of C12H8N2O2 and a molecular weight of 212.20, is a chemical compound utilised in various laboratory applications. It is commonly employed as a reagent and intermediate in chemical synthesis and research. Its properties make it valuable in specific analytical and biological studies, particularly within cell biology and histology research settings.
- IUPAC
- 1,10-Phenanthroline-4,7-diol
- Synonyms
- 3922-40-5C12H8N2O21,10-Phenanthroline-4,7-diol

Cell Biology Research
4,7-Dihydroxy-1,10-phenanthroline serves as a valuable tool in cell biology studies. It can be used in investigations related to cellular processes and functions.
Histology and Staining
This compound finds application in histology as a component in staining procedures. It aids in the visualisation of cellular structures during microscopic examination.
Chemical Synthesis Intermediate
As a derivatised phenanthroline, 4,7-Dihydroxy-1,10-phenanthroline can act as an intermediate in the synthesis of more complex organic molecules or ligands.
| Molecular weight | 212.20 |
|---|---|
| Empirical formula | C12H8N2O2 |
| Melting point | >300 °C (dec.)(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.
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 4,7-Dihydroxy-1,10-phenanthroline used for?
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4,7-Dihydroxy-1,10-phenanthroline is used in cell biology research, histology, and as a chemical synthesis intermediate.
What is the CAS number and chemical formula for 4,7-Dihydroxy-1,10-phenanthroline?
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The CAS number is 3922-40-5 and the empirical formula is C12H8N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and laboratory use. The specific assay or grade is not detailed in the provided data. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.
What are the safety precautions for handling 4,7-Dihydroxy-1,10-phenanthroline?
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This compound is a warning irritant, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust.
How is 4,7-Dihydroxy-1,10-phenanthroline packed, shipped, or exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for 4,7-Dihydroxy-1,10-phenanthroline?
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To request a sample or quote, please contact our sales department via the website or listed contact information, providing the product name and CAS number (3922-40-5).
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