2,5-Diiodopyridine
Also known as: 2,5-Diiodopyridine, 2,5-Diiodopyridine 95%, Pyridine, 2,5-diiodo-, MFCD00234028, 2,5-Dijod-pyridin, Pyridine,2,5-diiodo
2,5-Diiodopyridine (CAS 116195-81-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3I2N and a molecular weight of 330.893 g/mol. Key properties include a melting point of 152-155 °C(lit.), a boiling point of 306.1±22.0 °C at 760 mmHg, a density of 2.6±0.1 g/cm3 and a flash point of 138.9±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 116195-81-4
- Jingsj CID
- J-9120-3
- Molecular Formula
- C5H3I2N
- Molecular Weight
- 330.893 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 152-155 °C(lit.) |
|---|---|
| Boiling Point | 306.1±22.0 °C at 760 mmHg |
| Density | 2.6±0.1 g/cm3 |
| Flash Point | 138.9±22.3 °C |
| Exact Mass | 330.835480 |
| PSA | 12.89000 |
| LogP | 2.72 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.721 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
- 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 2,5-Diiodopyridine?
The CAS number of 2,5-Diiodopyridine is 116195-81-4.
What are the molecular formula and molecular weight of 2,5-Diiodopyridine?
2,5-Diiodopyridine has molecular formula C5H3I2N and molecular weight 330.893 g/mol.
Is 2,5-Diiodopyridine hazardous?
2,5-Diiodopyridine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of 2,5-Diiodopyridine?
For 2,5-Diiodopyridine, Upstream Products: 2,5-Dibromopyridine, 2-Bromo-5-iodopyridine, 2-Amino-5-iodopyridine; Downstream Products: 3-Iodopyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Diiodopyridine (CAS 116195-81-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9120-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.