Rosolic acid
Also known as: Aurin, Aurine, Corallin, Corallin Spirit Soluble, CI 43800, 4,4'-Dihydroxyfuchsone, 4-(p,p'-Dihydroxybenzhydrylidene)-2,5-cyclohexadien-1-one, 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadien-1-one, Pararosolic Acid, Rosalic Acid, Spirit Aurine, p-Rosolic acid, Aurin No. 555, MFCD00001624
Rosolic acid (CAS 603-45-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H14O3 and a molecular weight of 290.31 g/mol. Key properties include a melting point of ca. 308ºC (decomposes), a boiling point of 543.0±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 296.2±26.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 603-45-2
- Jingsj CID
- J-15331-3
- Molecular Formula
- C19H14O3
- Molecular Weight
- 290.31 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ca. 308ºC (decomposes) |
|---|---|
| Boiling Point | 543.0±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 296.2±26.6 °C |
| Exact Mass | 290.094299 |
| PSA | 57.53000 |
| LogP | 3.15 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.691 |
| Additional Property | Solubility Practically insoluble in water, benzene; freely soluble in ethanol |
Activity & Biological Data
| Additional Information | [1]. Amin KN, et al. Effect of Rosolic acid on endothelial dysfunction under ER stress in pancreatic microenvironment. Free Radic Res. 2021 Jun;55(6):698-713. |
|---|
Customs & Trade Information
| HS Code | 2914501900 |
|---|---|
| Summary | 2914501900 other ketone-phenols。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 Rosolic acid?
The CAS number of Rosolic acid is 603-45-2.
What are the molecular formula and molecular weight of Rosolic acid?
Rosolic acid has molecular formula C19H14O3 and molecular weight 290.31 g/mol.
What are the upstream and downstream products of Rosolic acid?
For Rosolic acid, Upstream Products: Oxalic acid, Phenol, (Trifluoromethoxy)benzene; Downstream Products: Leucoaurin, 4,4'-Dihydroxybenzophenone, Phenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Rosolic acid (CAS 603-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15331-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.