2-Chloropyridine-3-sulfonyl chloride

2-氯吡啶-3-磺酰氯

Also known as: 2-Chloro-3-pyridinesulfonyl chloride, 2-Chloro-3-chlorosulfonylpyridine, 2-Chloro-3-pyridylsulfonyl chloride, 2-chloropyridine-3-sulphonyl chloride, 3-Pyridinesulfonyl chloride, 2-chloro-

2-Chloropyridine-3-sulfonyl chloride (CAS 6684-06-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2NO2S and a molecular weight of 212.054 g/mol. It is also known as 2-Chloro-3-pyridinesulfonyl chloride, 2-Chloro-3-chlorosulfonylpyridine and 2-Chloro-3-pyridylsulfonyl chloride. Key properties include a boiling point of 324.5±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 150.1±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6684-06-6
Jingsj CID: J-1109802-1
Molecular Formula: C₅H₃Cl₂NO₂S
Chinese Name: 2-氯吡啶-3-磺酰氯
Molecular Weight: 212.054 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	324.5±27.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	150.1±23.7 °C
Exact Mass	210.926147
PSA	55.41000
LogP	1.33
Appearance	Powder \| White to off-white
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.569
Storage Conditions	2~8℃

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-Chloropyridine-3-sulfonyl chloride?

The CAS number of 2-Chloropyridine-3-sulfonyl chloride is 6684-06-6.

What are the molecular formula and molecular weight of 2-Chloropyridine-3-sulfonyl chloride?

2-Chloropyridine-3-sulfonyl chloride has molecular formula C5H3Cl2NO2S and molecular weight 212.054 g/mol.

What are the upstream and downstream products of 2-Chloropyridine-3-sulfonyl chloride?

For 2-Chloropyridine-3-sulfonyl chloride, Upstream Products: 3-Amino-2-chloropyridine, 5-Amino-2-chloropyridine, 3-Bromo-2-chloropyridine; Downstream Products: 4-[(2-Chloropyridin-3-yl)sulfonyl]morpholine, 2-Methylpropyl N-(2-chloropyridine-3-sulfonyl)-N-(3-methoxy-5-methylpyrazin-2-yl)carbamate, 3-Pyridinesulfonamide,2-chloro-(9CI).

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Chloropyridine-3-sulfonyl chloride (CAS 6684-06-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1109802-1 (accessed 2026-10-28).

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