Rubiadin
Also known as: 1,3-Dihydroxy-2-methylanthraquinone, 1,3-Dihydroxy-2-methyl-9,10-anthracenedione, 2-Methylxanthopurpurin, Rubiadine, C.I. 75350
Rubiadin (CAS 117-02-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H10O4 and a molecular weight of 254.238 g/mol. Key properties include a melting point of 290ºC, a boiling point of 527.1±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 286.6±21.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 117-02-2
- Jingsj CID
- J-1991672-4
- Molecular Formula
- C15H10O4
- Molecular Weight
- 254.238 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 290ºC |
|---|---|
| Boiling Point | 527.1±30.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 286.6±21.1 °C |
| Exact Mass | 254.057907 |
| PSA | 74.60000 |
| LogP | 4.44 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.710 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Additional Information | [1]. Tripathi YB, et al. Rubiadin, a new antioxidant from Rubia cordifolia.Indian J Biochem Biophys. 1997 Jun;34(3):302-6. |
|---|
Customs & Trade Information
| HS Code | 2914690090 |
|---|---|
| Summary | 2914690090 other quinones。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 Rubiadin?
The CAS number of Rubiadin is 117-02-2.
What are the molecular formula and molecular weight of Rubiadin?
Rubiadin has molecular formula C15H10O4 and molecular weight 254.238 g/mol.
Is Rubiadin hazardous?
Rubiadin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of Rubiadin?
For Rubiadin, Upstream Products: Phthalic anhydride, 2-Methylresorcinol, 3,5-Dihydroxy-4-methylbenzoic acid; Downstream Products: Damnacanthal, Rubiadin 1-methyl ether.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Rubiadin (CAS 117-02-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991672-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.