3,4-Dichloropyridine
Also known as: 3,4-Dichloropyridine, Pyridine, 3,4-dichloro-
3,4-Dichloropyridine (CAS 55934-00-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2N and a molecular weight of 147.990 g/mol. Key properties include a melting point of 22-23ºC, a boiling point of 180.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 78.2±7.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 55934-00-4
- Jingsj CID
- J-870844-9
- Molecular Formula
- C5H3Cl2N
- Molecular Weight
- 147.990 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 22-23ºC |
|---|---|
| Boiling Point | 180.1±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 78.2±7.4 °C |
| Exact Mass | 146.964249 |
| PSA | 12.89000 |
| LogP | 1.89 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.554 |
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-Dichloropyridine?
The CAS number of 3,4-Dichloropyridine is 55934-00-4.
What are the molecular formula and molecular weight of 3,4-Dichloropyridine?
3,4-Dichloropyridine has molecular formula C5H3Cl2N and molecular weight 147.990 g/mol.
What are the upstream and downstream products of 3,4-Dichloropyridine?
For 3,4-Dichloropyridine, Upstream Products: 3-Chloropyridine, 3-Chloropyridine 1-oxide, 3-Amino-4-chloropyridine; Downstream Products: 3,4-Dichloro-2-pyridinecarboxylic acid, 4,5-dichloropyridine-3-carboxylic acid, 4,5-Dichloropyridine-3-carbaldehyde.
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-Dichloropyridine (CAS 55934-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-870844-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.