1,10-Phenanthroline hydrochloride monohydrate
1,10-Phenanthroline hydrochloride monohydrate (CAS: 18851-33-7) is a stable chemical compound with the empirical formula C12H8N2·HCl·H2O and a molecular weight of 234.68 g/mol. Also known as o-Phenanthroline hydrochloride monohydrate, this substance serves as a valuable reagent in analytical chemistry and as a building block in organic synthesis. Its properties make it useful in various laboratory applications and chemical research.
- IUPAC
- o-Phenanthroline hydrochloride monohydrate
- Synonyms
- C12H8N2 · HCl · H2Oo-Phenanthroline hydrochloride monohydrate

Analytical Reagent
1,10-Phenanthroline hydrochloride monohydrate is commonly employed as a reagent in analytical chemistry, particularly for the spectrophotometric determination of iron. It forms a stable, intensely coloured complex with ferrous ions, allowing for sensitive quantitative analysis.
Organic Synthesis Intermediate
As a heterocyclic compound containing nitrogen, it functions as a building block in the synthesis of more complex organic molecules. Its structure can be incorporated into various chemical structures for research and development purposes.
Ligand in Coordination Chemistry
The phenanthroline moiety is known for its ability to chelate metal ions. This compound can be used as a ligand in coordination chemistry studies, exploring the formation and properties of metal complexes.
| Molecular weight | 234.68 |
|---|---|
| Empirical formula | C12H8N2 · HCl · H2O |
| Assay | ≥99.0% (AT) |
| Melting point | 224-225 °C(lit.) |


Hazard statements
- H301Toxic if swallowed
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P301IF SWALLOWED
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 25-50/53 |
| Safety statements (S) | 45-60-61 |
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 1,10-Phenanthroline hydrochloride monohydrate used for?
+
1,10-Phenanthroline hydrochloride monohydrate is primarily used as an analytical reagent for the spectrophotometric determination of iron and as a building block in organic synthesis. It also finds applications as a ligand in coordination chemistry.
What is the CAS number and formula for 1,10-Phenanthroline hydrochloride monohydrate?
+
The CAS number for 1,10-Phenanthroline hydrochloride monohydrate is 18851-33-7, and its empirical formula is C12H8N2·HCl·H2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1,10-Phenanthroline hydrochloride monohydrate with an assay of ≥99.0% (AT). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 1,10-Phenanthroline hydrochloride monohydrate be handled?
+
1,10-Phenanthroline hydrochloride monohydrate is toxic if swallowed and very toxic to aquatic life with long-lasting effects. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a P2 respirator if necessary. Avoid release to the environment.
Is this chemical shipped internationally?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,10-Phenanthroline hydrochloride monohydrate.
How can I request a sample or a quote?
+
To request a sample or a quote for 1,10-Phenanthroline hydrochloride monohydrate, please contact our sales team through the website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis