leucoline
Also known as: 1-Azanaphthalene, 1-Benzaine, 1-Benzazine, 1-Benzine, Benzopyridine, Chinoleine, Chinolin, Chinoline, EINECS 202-051-6, Fasudil Impurity 8, Leucol, MFCD00006736, Quinolin, Quinoline, Quinoline,Certified, ai3-01241, b-500, quinoline, β-Quinoline
leucoline (CAS 91-22-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7N and a molecular weight of 129.159 g/mol. Key properties include a melting point of −17-−13 °C(lit.), a boiling point of 234.1±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 101.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91-22-5
- Jingsj CID
- J-29623-2
- Molecular Formula
- C9H7N
- Molecular Weight
- 129.159 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −17-−13 °C(lit.) |
|---|---|
| Boiling Point | 234.1±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 101.1±0.0 °C |
| Exact Mass | 129.057846 |
| PSA | 12.89000 |
| LogP | 2.08 |
| Additional Property | 4.5 (vs air) |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.642 |
| Additional Property | slightly soluble |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H341 — Suspected of causing genetic defects
- H350 — May cause cancer
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 leucoline?
The CAS number of leucoline is 91-22-5.
What are the molecular formula and molecular weight of leucoline?
leucoline has molecular formula C9H7N and molecular weight 129.159 g/mol.
Is leucoline hazardous?
leucoline has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of leucoline?
For leucoline, Upstream Products: 1,2,3,4-Tetrahydroquinoline, N-(prop-2-yn-1-yl)aniline, 8-Hydroxyquinoline; Downstream Products: 1-(9H-Carbazol-9-yl)ethanone, 2,2',5,5'-Tetramethylbiphenyl, (E)-3-Methyl-1,3-pentadiene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "leucoline (CAS 91-22-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29623-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.