4-Isocyanatopyridine

4-异氰酸酯吡啶

Also known as: 4-Pyridyl isocyanate, 4-isocyanate pyridine, 4-isocyanato-pyridine, 4-pyridine isocyanate, Pyridin-4-yl isocyanate, Pyridine, 4-isocyanato-, PYRIDINE,4-ISOCYANATO

4-Isocyanatopyridine (CAS 70067-45-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O and a molecular weight of 120.109 g/mol. It is also known as 4-Pyridyl isocyanate, 4-isocyanate pyridine and 4-isocyanato-pyridine. Key properties include a boiling point of 181.9±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 63.8±19.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70067-45-7
Jingsj CID
J-1506803-3
Molecular Formula
C6H4N2O
Chinese Name
4-异氰酸酯吡啶
Molecular Weight
120.109 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point181.9±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point63.8±19.8 °C

GHS Safety & Compliance

Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Isocyanatopyridine?

The CAS number of 4-Isocyanatopyridine is 70067-45-7.

What are the molecular formula and molecular weight of 4-Isocyanatopyridine?

4-Isocyanatopyridine has molecular formula C6H4N2O and molecular weight 120.109 g/mol.

Is 4-Isocyanatopyridine hazardous?

4-Isocyanatopyridine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-Isocyanatopyridine (CAS 70067-45-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506803-3 (accessed 2026-10-24).

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