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3-Amino-4-chloropyridine

Also known as: 4-Chloro-3-pyridinamine, 4-Chloro-3-aminopyridine, 4-chloropyridin-3-amine, 4-CHLORO-PYRIDIN-3-YLAMINE, 3-Pyridinamine, 4-chloro-, MFCD00235124

3-Amino-4-chloropyridine (CAS 20511-15-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2 and a molecular weight of 128.56 g/mol. Key properties include a melting point of 59-61°C, a boiling point of 247.6±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 103.5±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20511-15-3
Jingsj CID
J-1059544-5
Molecular Formula
C5H5ClN2
Molecular Weight
128.56 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point59-61°C
Boiling Point247.6±20.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point103.5±21.8 °C
Exact Mass128.014130
PSA38.91000
LogP0.81
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.607

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

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 3-Amino-4-chloropyridine?

The CAS number of 3-Amino-4-chloropyridine is 20511-15-3.

What are the molecular formula and molecular weight of 3-Amino-4-chloropyridine?

3-Amino-4-chloropyridine has molecular formula C5H5ClN2 and molecular weight 128.56 g/mol.

Is 3-Amino-4-chloropyridine hazardous?

3-Amino-4-chloropyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.

What are the upstream and downstream products of 3-Amino-4-chloropyridine?

For 3-Amino-4-chloropyridine, Upstream Products: 4-Chloro-3-nitropyridine; Downstream Products: [1,3]Thiazolo[4,5-c]pyridin-2-amine, 3,4-Dichloropyridine, 4-phenylpyridin-3-amine.

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-Amino-4-chloropyridine (CAS 20511-15-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1059544-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.