2,3,5,6-Tetrachloropyridine

2,3,5,6-四氯吡啶

Also known as: Tetrapyridine, 2,3,5,6-tetrachloro-pyridin, EINECS 219-283-9, MFCD00092428, Pyridine, 2,3,5,6-tetrachloro-, T6NJ BG CG EG FG, 2,3,5,6-tetrachlorpyridine, 2,3,5,6-tetra-chloropyridine

2,3,5,6-Tetrachloropyridine (CAS 2402-79-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5HCl4N and a molecular weight of 216.880 g/mol. It is also known as Tetrapyridine, 2,3,5,6-tetrachloro-pyridin and EINECS 219-283-9. Key properties include a melting point of 90.5°C, a boiling point of 253.7±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 131.7±11.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2402-79-1
Jingsj CID
J-1101110-5
Molecular Formula
C5HCl4N
Chinese Name
2,3,5,6-四氯吡啶
Molecular Weight
216.880 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point90.5°C
Boiling Point253.7±35.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point131.7±11.5 °C

Frequently Asked Questions

What is the CAS number of 2,3,5,6-Tetrachloropyridine?

The CAS number of 2,3,5,6-Tetrachloropyridine is 2402-79-1.

What are the molecular formula and molecular weight of 2,3,5,6-Tetrachloropyridine?

2,3,5,6-Tetrachloropyridine has molecular formula C5HCl4N and molecular weight 216.880 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3,5,6-Tetrachloropyridine (CAS 2402-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1101110-5 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.