Tropolone
Also known as: 2-Hydroxy-2,4,6-cycloheptatrien-1-one, 2-Hydroxycyclohepta-2,4,6-trien-1-one, 2-Hydroxy-2,4,6-cycloheptatrienone, 2-hydroxycyclohepta-2,4,6-trienone, 2-hydroxytropone, Purpurocatechol, α-Tropolone, 2-Hydroxycycloheptane-2,4,6-triene-1-one
Tropolone (CAS 533-75-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H6O2 and a molecular weight of 122.121 g/mol. Key properties include a melting point of 50-52 °C(lit.), a boiling point of 290.1±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 122.0±18.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 533-75-5
- Jingsj CID
- J-26597-4
- Molecular Formula
- C7H6O2
- Molecular Weight
- 122.121 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50-52 °C(lit.) |
|---|---|
| Boiling Point | 290.1±33.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 122.0±18.0 °C |
| Exact Mass | 122.036781 |
| PSA | 37.30000 |
| LogP | 0.42 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.603 |
Activity & Biological Data
| Target | IC50: 0.4 μM (mushroom tyrosinase)[2] |
|---|---|
| Additional Information | [1]. Donald D Nolting,et al. Synthesis of bicyclo[5.3.0]azulene derivatives. Nat Protoc. 2009; 4(8): 1113–1117. [2]. VardaKahn, et al.Inhibition of mushroom tyrosinase by tropolone Phytochemistry. Volume 24, Issue 5, 1985, Pages 905-908 |
Customs & Trade Information
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tropolone?
The CAS number of Tropolone is 533-75-5.
What are the molecular formula and molecular weight of Tropolone?
Tropolone has molecular formula C7H6O2 and molecular weight 122.121 g/mol.
What are the upstream and downstream products of Tropolone?
For Tropolone, Upstream Products: 7,7-dichlorobicyclo[3.2.0]hept-2-en-6-one; Downstream Products: Tropolone tosylate, Methyl 2-oxo-2H-cyclohepta[b]furan-3-carboxylate, cycloheptene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tropolone (CAS 533-75-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26597-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.