pyridine, 2,3-dichloro-4-methoxy-

pyridine, 2,3-dichloro-4-methoxy- - Names and Identifiers

Name	2,3-dichloro-4-methoxypyridine
Synonyms	2, 3-Dichloro-4-formylpyridine 2,3-dichloro-4-methoxypyridine 2,3-dichloroisonicotinaldehyde pyridine, 2,3-dichloro-4-methoxy- 2,3-dichloropyridine-4-carbaldehyde 2,3-Dichloropyridine-4-carboxaldehyde 2,3-Dichloro-4-pyridinecarboxaldehyde 4-Pyridinecarboxaldehyde, 2,3-dichloro- 2,3-dichloro-5-forMylpyridine-4-carboxylic acid 2,3-Dichloropyridine-2,3-Dichloropyridine-4-carboxaldehyde4-carboxaldehyde
CAS	884495-41-4
InChI	InChI=1/C6H5Cl2NO/c1-10-4-2-3-9-6(8)5(4)7/h2-3H,1H3

pyridine, 2,3-dichloro-4-methoxy- - Physico-chemical Properties

Molecular Formula	C6H3Cl2NO
Molar Mass	176
Density	1.488
Melting Point	94-96°
Boling Point	262℃
Flash Point	112℃
Vapor Presure	0.061mmHg at 25°C
pKa	-2.00±0.10(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.537

pyridine, 2,3-dichloro-4-methoxy- - Risk and Safety

Hazard Class

IRRITANT

pyridine, 2,3-dichloro-4-methoxy- - Introduction

2,3-dichloro-4-methoxypyridine is an organic compound with a chemical formula of C6H4Cl2NO and a molecular weight of 162.01g/mol. It is a colorless to pale yellow liquid with a peculiar odor.

One of the main uses of this compound is as a synthetic intermediate for pesticides. It can be used in the synthesis of praziquantel insecticides, such as triamterene. In addition, it can also be used to synthesize other organic compounds, such as glyphosate.

2,3-dichloro-4-methoxypyridine is usually prepared by reacting 2,3-dichloropyridine with formaldehyde. The specific steps include placing 2,3-dichloropyridine in methanol, and then heating the reaction by adding a certain acid catalyst, and finally obtaining the product.

Safety precautions are required when using and handling 2,3-dichloro-4-methoxypyridine. It is an irritant substance and may cause irritation to the skin, eyes and respiratory tract. Therefore, appropriate protective equipment such as gloves, goggles and masks should be worn. At the same time, avoid inhaling the substance and ensure that it is operated in a well-ventilated place. If contact occurs, immediately flush the affected area with plenty of water and seek medical help. In addition, the compound should be stored in a sealed container away from fire and oxidizing agents.

Last Update：2024-04-10 22:29:15