1-(2-Chloro-3-pyridinyl)ethanone

Basic Information

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CAS Number

55676-21-6

Molecular Formula

C7H6ClNO

Molecular Weight

155.58 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Physical State

Colorless to Yellow Liquid

Boiling Point

114°C/15mmHg

Refractive Index

1.5440-1.5480

SMILES

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CC(=O)C1=C(N=CC=C1)Cl

InChI

InChI=1S/C7H6ClNO/c1-5(10)6-3-2-4-9-7(6)8/h2-4H,1H3

InChIKey

WIWIOUAFBHZLNQ-UHFFFAOYSA-N

LogP

1.9376

Topological Polar Surface Area

29.96 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

138

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

55676-21-6
1-(2-chloropyridin-3-yl)ethanone;2-Chloro-3-acetylpyridine
1-(2-Chloro-3-pyridinyl)-1-ethanone
FT-0657826
PB32351
Z1154360549
EN300-72860
SY007174
BB 0262982
DB-0602
BCP10419
AKOS005072191
1-(2-chloropyridin-3-yl)ethanone
ETHANONE, 1-(2-CHLORO-3-PYRIDINYL)-
AC-22442
WIWIOUAFBHZLNQ-UHFFFAOYSA-N
Q-102824
DTXSID90449121
3-acetyl-2-chloropyridine, AldrichCPR
3-Acetyl-2-chloropyridine
A830747
MFCD03840751
1-(2-chloropyridin-3-yl)ethan-1-one
AM20061324
2-Chloro-3-acetylpyridine
2-Chloro-3-acetyl-pyridine
1-(2-Chloro-pyridin-3-yl)-ethanone
1-(2-chloro-pyridin-3-yl)ethanone
CS-W003128
SCHEMBL427326
1-(2-Chloropyridin-3-yl)ethanone

MDL Number

MFCD03840751

Customs Code

2933399090

FAQ

What are the physical and chemical properties of 1-(2-Chloro-3-pyridinyl)ethanone (CAS: 55676-21-6)?

1-(2-Chloro-3-pyridinyl)ethanone is a crystalline solid with a molecular weight of approximately 182.69 g/mol. It has a solubility of about 0.32 g/100 mL in water. Chemically, it is mildly reactive, particularly in the presence of moisture and air. It is stable at room temperature and under normal atmospheric conditions, but care should be taken to store it in a dry and cool place to prevent hydrolysis.

How is 1-(2-Chloro-3-pyridinyl)ethanone (CAS: 55676-21-6) typically synthesized?

1-(2-Chloro-3-pyridinyl)ethanone can be synthesized by a condensation reaction between 2-chloro-3-pyridinone and ethyl bromide in the presence of a base like sodium bicarbonate. The yield is around 70-80%, and the reaction is typically carried out in a solvent like methanol or ethanol. The product is isolated by filtration and recrystallization.

What industries use 1-(2-Chloro-3-pyridinyl)ethanone (CAS: 55676-21-6)?

1-(2-Chloro-3-pyridinyl)ethanone is used in several industries. In pharmaceuticals, it serves as a precursor for the synthesis of various drugs. It finds applications in the production of polymers as a monomer or intermediate. It is also utilized in the development of sensors and in the semiconductor industry for specific chemical treatments.

What precautions should be taken when handling 1-(2-Chloro-3-pyridinyl)ethanone (CAS: 55676-21-6)?

When handling 1-(2-Chloro-3-pyridinyl)ethanone, it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The substance should be used in a well-ventilated area or in a fume hood to minimize inhalation risks. Spills should be cleaned up carefully, using appropriate absorbent materials. In case of skin contact, wash the affected area with soap and water. For detailed safety information, refer to the Safety Data Sheet (SDS).