2,3-dichloropyrazine

Basic Information

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CAS Number

4858-85-9

Molecular Formula

C4H2Cl2N2

Molecular Weight

148.98 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Agricultural Chemicals Pesticides Herbicides

Basic Physical Properties

Melting Point

22.5-24.5 ºC

Boiling Point

105-107 ºC (50 mmHg)

Refractive Index

1.5645

SMILES

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C1=CN=C(C(=N1)Cl)Cl

InChI

InChI=1S/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H

InChIKey

MLCNOCRGSBCAGH-UHFFFAOYSA-N

LogP

1.7833999999999999

Topological Polar Surface Area

25.78 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

68.4

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

dichloropyrazine
EINECS 225-460-1
AC-16400
Z850504018
2,3-dichloro pyrazine
PB15620
dichloro pyrazine
NS00031810
InChI=1/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H
W-106047
4858-85-9
2,3-Dichloropyrazine, 95%
AKOS005259647
DTXSID10197556
2,3-dichloro-pyrazine
D3061
P10041
SCHEMBL103808
5,6-dichloropyrazine
F0001-1272
MLCNOCRGSBCAGH-UHFFFAOYSA-
MFCD00040964
Pyrazine, 2,3-dichloro-
CS-W016328
SY004668
FT-0609580
BCP23193
2,3 dichloropyrazine
AM20070355
2,3-Dichloropyrazine
BB 0242422

MDL Number

MFCD00040964

Customs Code

2933990090

FAQ

What is 2,3-dichloropyrazine (CAS: 4858-85-9)?

2,3-Dichloropyrazine (CAS: 4858-85-9) is an aromatic heterocyclic compound with the chemical formula C4H3Cl2N2. It features a pyrazine ring substituted with two chlorine atoms at the 2 and 3 positions, giving it strong electron-withdrawing properties. This compound is typically a white crystalline solid with a high melting point and low solubility in water, making it a key intermediate in organic synthesis and chemical research.

What are the main uses of 2,3-dichloropyrazine (CAS: 4858-85-9)?

2,3-Dichloropyrazine (CAS: 4858-85-9) is primarily used in pharmaceuticals as a precursor for synthesizing antifungal and antiviral agents. It also finds applications in agrochemicals for pesticide formulations and in industrial processes for producing dyes and other specialty chemicals. Its unique reactivity makes it valuable in research for developing new compounds and materials.

Is 2,3-dichloropyrazine (CAS: 4858-85-9) safe?

2,3-Dichloropyrazine (CAS: 4858-85-9) requires careful handling due to its potential toxicity. It may cause skin and respiratory irritation, so proper safety measures like gloves, goggles, and a fume hood are essential. Safety standards advise adherence to OSHA and EPA guidelines to minimize exposure. Always consult safety data sheets (SDS) for specific precautions.

How should 2,3-dichloropyrazine (CAS: 4858-85-9) be stored?

2,3-Dichloropyrazine (CAS: 4858-85-9) should be stored in a sealed, airtight container in a cool (2-8°C), dry, and dark location to maintain stability. It is sensitive to moisture and light, so desiccants and UV-protective packaging are recommended. Ensure storage areas are well-ventilated to prevent inhalation of vapors and avoid contact with incompatible substances.