5--3-·ú-2-áà¤×

5--3-·ú-2-áà¤× - Names and Identifiers

Name	2-pyridinecarbonitrile, 5-bromo-3-fluoro-
Synonyms	5--3-·ú-2-áà¤× 5-BroMo-2-cyano-3-fluorop... 5-bromo-3-fluoropicolinonitrile 5-BroMo-2-cyano-3-fluoropyridine 5-Bromo-3-fluoropyridine-2-carbonitrile 5-BroMo-3-fluoro-2-pyridinecarbonitrile 5-BROMO-3-FLUORO-PYRIDINE-2-CARBONITRILE 2-Pyridinecarbonitrile, 5-bromo-3-fluoro 2-Pyridinecarbonitrile, 5-bromo-3-fluoro- 2-pyridinecarbonitrile, 5-bromo-3-fluoro- 5-Bromo-2-cyano-3-fluoropyridine, 5-Bromo-3-fluoropicolinonitrile
CAS	886373-28-0
EINECS	688-366-3
InChI	InChI=1/C6H2BrFN2/c7-4-1-5(8)6(2-9)10-3-4/h1,3H
InChIKey	HMURQOFNWZWERT-UHFFFAOYSA-N

5--3-·ú-2-áà¤× - Physico-chemical Properties

Molecular Formula	C6H2BrFN2
Molar Mass	201
Density	1.81±0.1 g/cm3 (20 ºC 760 Torr)
Melting Point	103-105℃
Boling Point	238.0±35.0℃ (760 Torr)
Flash Point	97.7±25.9℃
Vapor Presure	0.0435mmHg at 25°C
pKa	-5.10±0.20(Predicted)
Storage Condition	-20°C
Refractive Index	1.58

5--3-·ú-2-áà¤× - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R38 - Irritating to the skin R41 - Risk of serious damage to eyes
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection.
UN IDs	UN 2811 6.1 / PGIII
WGK Germany	3
Hazard Class	IRRITANT

5--3-·ú-2-áà¤× - Introduction

2-pyridinecarbonitril, 5-bromo-3-fluoro-is an organic compound whose chemical formula is C6H3BrFN. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: Colorless to slightly yellow crystal
-relative molecular mass: 181.00g/mol
-melting point: 77-79 ℃
-Boiling point: 252 ℃
-Solubility: Soluble in common organic solvents, such as methanol, ethanol and dichloromethane.

Use:
- 2-pyridinecarbonitrile, 5-bromo-3-fluoro-can be used as reagents in organic synthesis.
-It can be used to synthesize other organic compounds, such as intermediates in pharmaceuticals and pesticides.

Preparation Method:
2-pyridinecarbonitril, 5-bromo-3-fluoro-has many preparation methods, which can be synthesized through the following two steps:
1. 2-bromo-5-nitropyridine was reacted with boron trifluoride to obtain 2-fluoro-5-nitropyridine.
2. 2-fluoro-5-nitropyridine reacts with methyl bromide to give 2-pyridinecarbonitril, 5-bromo-3-fluoro-.

Safety Information:
- 2-pyridinecarbonitril, 5-bromo-3-fluoro-is an organic compound with a certain degree of danger. Follow the relevant safety procedures when using or handling.
-It may be irritating and toxic to the human body, and contact with skin, eyes and respiratory tract should be avoided. In case of accidental contact, rinse immediately with plenty of water and seek medical advice.
-During storage and use, keep away from high temperature, open flames and oxidants, and maintain a well-ventilated place.

Last Update：2024-04-09 15:18:00