4,4'-(1,3-Propanediyl)dipyridine
4,4'-(1,3-丙二基)双吡啶
Also known as: 1,3-Di(4-pyridyl)propane, 1,3-Bis(4-pyridyl)propane, 1,3-Di(pyridin-4-yl)propane, 4,4'-Trimethylenedipyridine, 4,4'-Propane-1,3-diyldipyridine, 4,4'-(1,3-Propanediyl)bis-pyridine
4,4'-(1,3-Propanediyl)dipyridine (CAS 17252-51-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H14N2 and a molecular weight of 198.264 g/mol. It is also known as 1,3-Di(4-pyridyl)propane, 1,3-Bis(4-pyridyl)propane and 1,3-Di(pyridin-4-yl)propane. Key properties include a melting point of 57-60 °C(lit.), a boiling point of 338.7±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 128.2±14.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17252-51-6
- Jingsj CID
- J-1499166-6
- Molecular Formula
- C13H14N2
- Chinese Name
- 4,4'-(1,3-丙二基)双吡啶
- Molecular Weight
- 198.264 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 57-60 °C(lit.) |
|---|---|
| Boiling Point | 338.7±22.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 128.2±14.0 °C |
| Exact Mass | 198.115692 |
| PSA | 25.78000 |
| LogP | 2.10 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.571 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 4,4'-(1,3-Propanediyl)dipyridine?
The CAS number of 4,4'-(1,3-Propanediyl)dipyridine is 17252-51-6.
What are the molecular formula and molecular weight of 4,4'-(1,3-Propanediyl)dipyridine?
4,4'-(1,3-Propanediyl)dipyridine has molecular formula C13H14N2 and molecular weight 198.264 g/mol.
Is 4,4'-(1,3-Propanediyl)dipyridine hazardous?
4,4'-(1,3-Propanediyl)dipyridine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 4,4'-(1,3-Propanediyl)dipyridine?
For 4,4'-(1,3-Propanediyl)dipyridine, Upstream Products: 4-Vinylpyridine, 4-Methylpyridine, 1,3-Bis(4-piperidyl)propane; Downstream Products: 1,3-bis(4-pyridine 1-oxide)propane, 1,3-Bis(4-piperidyl)propane.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-(1,3-Propanediyl)dipyridine (CAS 17252-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499166-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.