Pyridin-4-yl isocyanate
[CAS# 70067-45-7]

Identification

• Name: Pyridin-4-yl isocyanate
• Synonyms: 4-Isocyanatopyridine; 4-Pyridyl isocyanate
• Molecular Formula: C₆H₄N₂O
• Molecular Weight: 120.11
• CAS Registry Number: 70067-45-7
• EC Number: 804-130-6

Properties

• Solubility: Sparingly soluble (16 g/L) (25 ºC), Calc.^*
• Density: 1.12±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 160-161 ºC^**
• Boiling point: 181.9±13.0 ºC (760 Torr), Calc.^*
• Flash point: 63.8±19.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Yoshizawa, Hidenori; Bioorganic & Medicinal Chemistry 2004, V12(15), P4221-4231.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Respiratory sensitization	Resp. Sens.	1	H334
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	3	H331