1,10-Phenanthroline monohydrate
Also known as: o-Phenanthroline monohydrate, 1,10-Phenanthroline hydrate, 1,10-Phenanthroline, monohydrate, Ortho-phenanthroline monohydrate, 1,10-Phenanthroline (monohydrate), 4,5-Phenanthroline monohydrate
1,10-Phenanthroline monohydrate (CAS 5144-89-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O and a molecular weight of 198.221 g/mol. Key properties include a melting point of 100-104 °C(lit.), a boiling point of 365.1ºC at 760 mmHg, a density of 1.10 and a flash point of 164.8ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H410 — Very toxic to aquatic life with long lasting effects. It is listed by 2 suppliers, 1 of which publish reference prices, from 3.60 to 3.60 CNY per 5g. Record last updated Aug 21, 2026.
- CAS No.
- 5144-89-8
- Jingsj CID
- J-1113102-9
- Molecular Formula
- C12H10N2O
- Molecular Weight
- 198.221 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 5g | ¥18.00 | $0.54 /gBest ¥3.60/g CNY | CN China MOQ 5g | |
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 100-104 °C(lit.) |
|---|---|
| Boiling Point | 365.1ºC at 760 mmHg |
| Density | 1.10 |
| Flash Point | 164.8ºC |
| Exact Mass | 198.079315 |
| PSA | 35.01000 |
| LogP | 2.71870 |
| Additional Property | <0.01 g/100 mL at 21 ºC |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Guan NanMu, et al. Synergistic inhibition between o-phenanthroline and chloride ion on cold rolled steel corrosion in phosphoric acid. Materials Chemistry and Physics Volume 86, Issue 1, 15 July 2004, Pages 59-68. |
|---|
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 monohydrate?
The CAS number of 1,10-Phenanthroline monohydrate is 5144-89-8.
What are the molecular formula and molecular weight of 1,10-Phenanthroline monohydrate?
1,10-Phenanthroline monohydrate has molecular formula C12H10N2O and molecular weight 198.221 g/mol.
Which suppliers offer 1,10-Phenanthroline monohydrate?
2 supplier(s) listed; reference unit price ¥3.60–3.60 /g.
Is 1,10-Phenanthroline monohydrate hazardous?
1,10-Phenanthroline monohydrate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 1,10-Phenanthroline monohydrate?
For 1,10-Phenanthroline monohydrate, Downstream Products: 5-Nitro-1,10-phenanthroline, Dibromo(1,10-phenanthroline)copper(II), 1,10-Phenanthroline.
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 monohydrate (CAS 5144-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1113102-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.