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2-Mercaptonicotinonitrile

Also known as: 3-Pyridinecarbonitrile,1,2-dihydro-2-thioxo-, 2-Mercaptopyridine-3-carbonitrile, 2-sulfanylidene-1H-pyridine-3-carbonitrile, 2-sulfanylnicotinonitrile, 3-Cyano-2(1H)-pyridinethione, 3-Cyano-2-mercaptopyridine, 3-Cyanopyridine-2-thiol, NSC 266131

2-Mercaptonicotinonitrile (CAS 52505-45-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H4N2S and a molecular weight of 136.17400 g/mol. Key properties include a melting point of 248-250ºC, a boiling point of 229.6ºC at 760mmHg, a density of 1.32g/cm3 and a flash point of 92.7ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52505-45-0
Jingsj CID
J-999240-3
Molecular Formula
C6H4N2S
Molecular Weight
136.17400 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point248-250ºC
Boiling Point229.6ºC at 760mmHg
Density1.32g/cm3
Flash Point92.7ºC
Exact Mass136.01000
PSA75.48000
LogP1.24198
Refractive Index1.664

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage

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-Mercaptonicotinonitrile?

The CAS number of 2-Mercaptonicotinonitrile is 52505-45-0.

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

2-Mercaptonicotinonitrile has molecular formula C6H4N2S and molecular weight 136.17400 g/mol.

Is 2-Mercaptonicotinonitrile hazardous?

2-Mercaptonicotinonitrile has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

What are the upstream and downstream products of 2-Mercaptonicotinonitrile?

For 2-Mercaptonicotinonitrile, Downstream Products: Isothiazolo[5,4-b]pyridin-3-amine, 3-Bromoisothiazolo[5,4-b]pyridine, 3-Amino-thieno[2,3-b]pyridine-2-carbonitrile.

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

Last updated:

How to cite: Jingsj. "2-Mercaptonicotinonitrile (CAS 52505-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-999240-3 (accessed 2026-11-06).

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