4,7-Dichloro-1,10-phenanthroline
4,7-Dichloro-1,10-phenanthroline (CAS: 5394-23-0) is a halogenated heterocyclic organic compound with the molecular formula C12H6Cl2N2 and a molecular weight of 249.10 g/mol. This chemical serves as a valuable building block in organic synthesis and finds application in catalysis and inorganic chemistry. It is known for its utility in constructing more complex molecular architectures, particularly those involving nitrogen-containing heterocyclic systems.
- Synonyms
- 5394-23-0C12H6Cl2N2

Organic Synthesis Intermediate
This compound acts as a key intermediate in the synthesis of various organic molecules. Its dichloro-substituted phenanthroline structure allows for further functionalization, enabling the creation of diverse chemical entities for research and development.
Ligand in Coordination Chemistry
As a derivative of 1,10-phenanthroline, it can function as a chelating ligand in coordination chemistry. Its electronic and steric properties, modified by the chlorine substituents, can influence the behaviour of metal complexes.
Catalysis Research
It is employed in the development and study of catalytic systems. The phenanthroline scaffold is known to support catalytically active metal centres, and this derivative may offer unique reactivity or selectivity in specific catalytic transformations.
| Molecular weight | 249.10 |
|---|---|
| Empirical formula | C12H6Cl2N2 |
| Assay | 97% |
| Melting point | 243-247 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 4,7-Dichloro-1,10-phenanthroline used for?
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4,7-Dichloro-1,10-phenanthroline is primarily used as a building block in organic synthesis and as a ligand in catalysis and inorganic chemistry research. It is valuable for constructing more complex molecules and studying metal complexes.
What are the CAS number and formula for 4,7-Dichloro-1,10-phenanthroline?
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The CAS number for 4,7-Dichloro-1,10-phenanthroline is 5394-23-0, and its empirical formula is C12H6Cl2N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,7-Dichloro-1,10-phenanthroline with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4,7-Dichloro-1,10-phenanthroline be handled safely?
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This compound is a Danger hazard (GHS05, GHS06). It is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, face shield, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is 4,7-Dichloro-1,10-phenanthroline packed and shipped?
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As per UN 2811 regulations (Class 6.1, Packing Group III), 4,7-Dichloro-1,10-phenanthroline is packed and shipped according to stringent international guidelines for hazardous materials. Tech Serve Solutions is an experienced global supplier and exporter.
How can I request a sample or quote for 4,7-Dichloro-1,10-phenanthroline?
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To request a sample or a quote for 4,7-Dichloro-1,10-phenanthroline, please contact our sales team through the website or by phone. Provide the product name and CAS number (5394-23-0) for efficient processing.
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