Tropolone
Tropolone (CAS: 533-75-5), with the molecular formula C7H6O2 and a molar mass of 122.12 g/mol, is a versatile organic compound. This yellow crystalline solid is primarily utilised as a key reagent in chemical synthesis. Its applications include the preparation of fused heterocycles and the formation of complexes with metal ions like Gallium(III) and Indium(III). Tech Serve Solutions provides high-quality Tropolone for research and industrial applications.
- IUPAC
- 2-Hydroxy-2,4,6-cycloheptatrien-1-one

Preparation of Fused Heterocycles
Tropolone serves as a valuable reagent in organic synthesis for constructing complex fused heterocyclic ring systems. These structures are often of interest in medicinal chemistry and materials science.
Metal Complexation
This compound is employed in the formation of coordination complexes with specific metal ions, notably Ga(III) and In(III). Such complexes can have applications in catalysis or as therapeutic agents.
Organic Synthesis Building Block
As a C7 to C8 organic building block, Tropolone offers a unique tropone core for further chemical modification and incorporation into larger molecular structures.
| Molecular weight | 122.12 |
|---|---|
| Empirical formula | C7H6O2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 80-84 °C/0.1 mmHg(lit.) |
| Storage temperature | 2-8°C |
| Impurities tested | ≤20 mg/kg heavy metals≤5000 mg/kg residual solvents (pentane)(GLC-HS)≤890 mg/kg residual solvents (toluene)(GLC-HS) |
| Application | Reagent for the preparation of fused heterocycles1 and complexes of Ga(III) and In(III).2 |
| Melting point | 50-52 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 112 °C / 233.6 °F |
| Water hazard class (WGK, DE) | 3 |
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 Tropolone primarily used for?
+
Tropolone is primarily used as a reagent for the preparation of fused heterocycles and for forming complexes with Ga(III) and In(III) metal ions. It is also a useful organic building block in chemical synthesis.
What is the CAS number and molecular formula for Tropolone?
+
The CAS number for Tropolone is 533-75-5, and its molecular formula is C7H6O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Tropolone with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade as it is intended for research and laboratory use.
How should Tropolone be handled and stored?
+
Tropolone should be handled with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 respirator filter. It should be stored at a temperature of 2-8°C. It is classified under WGK Germany 3.
Is Tropolone a controlled substance?
+
The provided data does not indicate that Tropolone is a controlled substance.
How are Tropolone products packaged and exported?
+
Tropolone is carefully packaged to ensure stability during transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for Tropolone?
+
Please contact the Tech Serve Solutions sales team via our website or direct contact details to request a sample or a formal quotation for Tropolone.
▶ 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