4-Chloro-2,3-difluoropyridine
[CAS# 851178-99-9]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyridine compound >> Fluoropyridine
• Name: 4-Chloro-2,3-difluoropyridine
• Molecular Formula: C₅H₂ClF₂N
• Molecular Weight: 149.53
• CAS Registry Number: 851178-99-9
• EC Number: 887-041-5

Properties

• Solubility: Slightly soluble (1 g/L) (25 °C), Calc.^*
• Density: 1.451±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: -25--23 °C^**
• Boiling point: 141-142 °C^**
• Refractive index: 1.4726 (589.3 nm 20 °C)^***
• Flash point: 44.5±25.9 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Bobbio, Carla

^*** Bobbio, Carla

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302