2-Chloro-4-nitropyridine

Basic Information

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CAS Number

23056-36-2

Molecular Formula

C5H3ClN2O2

Molecular Weight

158.54 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

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Physical State

Pale-yellow to Yellow-brown Solid

Melting Point

52.0 to 56.0 deg-C

Boiling Point

258.4℃ at 760 mmHg

Flash Point

223 ºF

SMILES

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C1=CN=C(C=C1[N+](=O)[O-])Cl

InChI

InChI=1S/C5H3ClN2O2/c6-5-3-4(8(9)10)1-2-7-5/h1-3H

InChIKey

LIEPVGBDUYKPLC-UHFFFAOYSA-N

LogP

2.16640

Complexity

136

Safety Information

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GHS Hazard Pictograms

H302

H312

H315

H319

H332

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H312 Harmful in contact with skin
Acute toxicity, dermal

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

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

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

PS-5234
AM20050973
FT-0600034
AC-5933
HY-W010174
AJ-333/25006257
2-chloro-4nitropyridine
W-201963
SY005657
LIEPVGBDUYKPLC-UHFFFAOYSA-N
AKOS000320214
C2283
23056-36-2
SCHEMBL190411
CS-W010890
DTXSID50352743
Pyridine, 2-chloro-4-nitro-
2chloro-4-nitropyridine
2-Chloro-4-nitropyridine, 97%
AKOS000267446
F1921-0024
BP-12616
BCP26367
2-Chloro-4-nitropyridine
EN300-56137
2-chloro-4-(nitro)pyridine
MFCD00661454
PB32222
2-chloro-4-nitro-pyridine
AURORA 23245
(2-CHLOROPYRIDIN-4-YL)(HYDROXY)OXOAMMONIUM

MDL Number

MFCD00661454

Customs Code

2942000000

FAQ

What are the physical and chemical properties of 2-Chloro-4-nitropyridine (CAS: 23056-36-2)?

2-Chloro-4-nitropyridine is a crystalline solid with a molecular weight of 171.56 g/mol. It has a melting point of 150-152°C and is slightly soluble in water. This compound is moderately reactive, especially with reducing agents. It is an important intermediate in organic synthesis and exhibits good solubility in organic solvents like ethanol, acetone, and dichloromethane.

How is 2-Chloro-4-nitropyridine (CAS: 23056-36-2) typically synthesized?

2-Chloro-4-nitropyridine is typically synthesized via the nitration of 2-chloropyridine. The nitration reaction is performed in the presence of a strong acid like sulfuric acid, and the reaction is carried out at an elevated temperature. This method yields a product with high selectivity and good yield, making it a common industrial process for producing this compound.

What industries use 2-Chloro-4-nitropyridine (CAS: 23056-36-2)?

2-Chloro-4-nitropyridine is used in various industries, including pharmaceuticals, where it serves as an intermediate for the synthesis of certain drugs. It is also utilized in the synthesis of organic semiconductors and in the production of dyes. Additionally, this compound finds applications in the development of sensors and as a reagent in polymer chemistry.

What precautions should be taken when handling 2-Chloro-4-nitropyridine (CAS: 23056-36-2)?

When handling 2-Chloro-4-nitropyridine, it is essential to use appropriate personal protective equipment (PPE), including gloves and safety goggles. This compound should be stored in a cool, dry place, away from heat and sources of ignition. In the event of a spill, it is recommended to use appropriate absorbents and dispose of the material according to local regulations. Always refer to the Material Safety Data Sheet (MSDS) for specific handling and disposal instructions.