2-Chloroisonicotinamide

2-氯吡啶-4-甲酰胺

Also known as: 2-Chloropyridine-4-carboxamide, 4-Pyridinecarboxamide, 2-chloro-, 2-Chloro-4-pyridinecarboxamide, 2-chloropyridin-4-carboxamide, MFCD00221401

2-Chloroisonicotinamide (CAS 100859-84-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClN2O and a molecular weight of 156.570 g/mol. It is also known as 2-Chloropyridine-4-carboxamide, 4-Pyridinecarboxamide, 2-chloro- and 2-Chloro-4-pyridinecarboxamide. Key properties include a melting point of 198 °C, a boiling point of 312.2±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 142.6±23.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed 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.
100859-84-5
Jingsj CID
J-35125-6
Molecular Formula
C6H5ClN2O
Chinese Name
2-氯吡啶-4-甲酰胺
Molecular Weight
156.570 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point198 °C
Boiling Point312.2±27.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point142.6±23.7 °C
Exact Mass156.009033
PSA55.98000
LogP0.56
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.589

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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-Chloroisonicotinamide?

The CAS number of 2-Chloroisonicotinamide is 100859-84-5.

What are the molecular formula and molecular weight of 2-Chloroisonicotinamide?

2-Chloroisonicotinamide has molecular formula C6H5ClN2O and molecular weight 156.570 g/mol.

Is 2-Chloroisonicotinamide hazardous?

2-Chloroisonicotinamide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

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

Last updated:

How to cite: Jingsj. "2-Chloroisonicotinamide (CAS 100859-84-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35125-6 (accessed 2026-10-28).

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