1,10-Phenanthroline-5,6-dione
Also known as: 1,10-Phenanthroline-5,6-quinone, phen-5,6-dione, dipyridobenzoquinone, Stahl phd oxidant, [1,10]Phenanthroline-5,6-dione, Phendione, 5,6-Dihydro-5,6-dioxo-1,10-phenanthroline
1,10-Phenanthroline-5,6-dione (CAS 27318-90-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H6N2O2 and a molecular weight of 210.188 g/mol. Key properties include a melting point of 260ºC (dec.), a boiling point of 456.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 229.1±28.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier, from 7.60 to 16.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 27318-90-7
- Jingsj CID
- J-44588-9
- Molecular Formula
- C12H6N2O2
- Molecular Weight
- 210.188 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 500g | ¥3,800.00 | $1.14 /gBest ¥7.60/g CNY | CN China MOQ 500g | |
Made to OrderPlatform-operated | 99% 100g | ¥1,000.00 | $1.5 /g ¥10.00/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 25g | ¥400.00 | $2.39 /g ¥16.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 260ºC (dec.) |
|---|---|
| Boiling Point | 456.1±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 229.1±28.2 °C |
| Exact Mass | 210.042923 |
| PSA | 59.92000 |
| LogP | 0.15 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.678 |
| Additional Property | Insoluble in water. |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,10-Phenanthroline-5,6-dione?
The CAS number of 1,10-Phenanthroline-5,6-dione is 27318-90-7.
What are the molecular formula and molecular weight of 1,10-Phenanthroline-5,6-dione?
1,10-Phenanthroline-5,6-dione has molecular formula C12H6N2O2 and molecular weight 210.188 g/mol.
Which suppliers offer 1,10-Phenanthroline-5,6-dione?
1 supplier(s) listed; reference unit price ¥7.60–16.00 /g.
Is 1,10-Phenanthroline-5,6-dione hazardous?
1,10-Phenanthroline-5,6-dione has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,10-Phenanthroline-5,6-dione (CAS 27318-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44588-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.