3,4,5-Trichloropyridine
Also known as: 3,4,5-trichloro-pyridine, 3,4,5-Trichlor-pyridin, MFCD00051685, Pyridine, 3,4,5-trichloro-
3,4,5-Trichloropyridine (CAS 33216-52-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2Cl3N and a molecular weight of 182.43 g/mol. Key properties include a melting point of 75-77°C, a boiling point of 209.6±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 100.2±11.5 °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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33216-52-3
- Jingsj CID
- J-7480-6
- Molecular Formula
- C5H2Cl3N
- Molecular Weight
- 182.43 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75-77°C |
|---|---|
| Boiling Point | 209.6±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 100.2±11.5 °C |
| Exact Mass | 180.925278 |
| PSA | 12.89000 |
| LogP | 2.62 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.573 |
GHS Safety & Compliance
- 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 3,4,5-Trichloropyridine?
The CAS number of 3,4,5-Trichloropyridine is 33216-52-3.
What are the molecular formula and molecular weight of 3,4,5-Trichloropyridine?
3,4,5-Trichloropyridine has molecular formula C5H2Cl3N and molecular weight 182.43 g/mol.
Is 3,4,5-Trichloropyridine hazardous?
3,4,5-Trichloropyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3,4,5-Trichloropyridine?
For 3,4,5-Trichloropyridine, Upstream Products: Pyridine, 3,5-Dichloropyridin-4-ol, 3,4,5-Trichloropyridine-2-carboxylic acid; Downstream Products: 3,5-Dichloro-4-pyridinethiol, 4-Amino-3,5-dichloropyridine, 3,5-Dichloropyridin-4-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trichloropyridine (CAS 33216-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7480-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.