6-Chloro-2-pyridinecarboxylic acid

Basic Information

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CAS Number

4684-94-0

Molecular Formula

C6H4ClNO2

Molecular Weight

157.56 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

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

White to Yellow Solid

Melting Point

185-190 °C

Boiling Point

323.2°C at 760 mmHg

Flash Point

149.3℃

Solubility

>23.6 [ug/mL]

Refractive Index

1.5870 (estimate)

SMILES

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

InChI

InChI=1S/C6H4ClNO2/c7-5-3-1-2-4(8-5)6(9)10/h1-3H,(H,9,10)

InChIKey

ZLKMOIHCHCMSFW-UHFFFAOYSA-N

LogP

1.4332

Topological Polar Surface Area

50.19 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

140

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

CS-W002451
NS00127245
SR-01000389664
UNII-5WSZ6GQ419
6-chloropicolic acid
5-22-02-00045 (Beilstein Handbook Reference)
AB04138
A7250
AH-034/05437046
AKOS001015602
2-Pyridinecarboxylic acid, 6-chloro-
2-chloropyridine-6-carboxylicacid
BRN 0115849
BP-10767
2-Chloro-6-Pyridinecarboxylic Acid
6-chloro-2-pyridinecarboxilic acid
CHEMBL1404320
NCGC00246134-01
Tox21_301603
SY007552
MLS000774887
MFCD00155390
EN300-61563
6-Chloropicolinicacid
NSC51587
EPA Pesticide Chemical Code 069206
FT-0601255
6-Chloro-2-picolinic acid
2-chloro-6-hydroxycarbonylpyridine
NCGC00255503-01
Enamine_000408

MDL Number

MFCD00155390

FAQ

What are the physical and chemical properties of 6-Chloro-2-pyridinecarboxylic acid (CAS: 4684-94-0)?

6-Chloro-2-pyridinecarboxylic acid is a crystalline solid with a molecular weight of approximately 162.02 g/mol. It is sparingly soluble in water and more soluble in organic solvents like ethanol and acetone. This compound is known for its acidic nature and is reactive with bases and nucleophiles. It decomposes above 250°C and is stable under normal laboratory conditions.

How is 6-Chloro-2-pyridinecarboxylic acid (CAS: 4684-94-0) typically synthesized?

6-Chloro-2-pyridinecarboxylic acid can be synthesized via the reaction of 2-pyridinecarboxylic acid with thionyl chloride followed by hydrolysis. Other methods include direct chlorination of 2-pyridinecarboxylic acid with phosphorus oxychloride, which provides good yields and high purity. These methods ensure the compound is synthesized with high chemical selectivity and yield.

What industries use 6-Chloro-2-pyridinecarboxylic acid (CAS: 4684-94-0)?

6-Chloro-2-pyridinecarboxylic acid is widely used in the pharmaceutical industry for the synthesis of intermediates in drug development. It also finds applications in the polymer industry for the production of advanced materials. Additionally, it is utilized in the electronics sector for the fabrication of semiconductors and sensors due to its unique chemical properties.

What precautions should be taken when handling 6-Chloro-2-pyridinecarboxylic acid (CAS: 4684-94-0)?

When handling 6-Chloro-2-pyridinecarboxylic acid, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a laboratory coat. This compound should be stored in a cool, dry place, away from incompatible materials like strong bases and oxidizers. Always use proper ventilation and work in a fume hood to minimize exposure. In case of a spill, neutralize the acid with a base and dispose of the material according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed emergency procedures.