2-Pyrazinecarboxylic acid

Basic Information

View in Editor

CAS Number

98-97-5

Molecular Formula

C5H4N2O2

Molecular Weight

124.1 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

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

222-225 °C (dec.)

Boiling Point

313.1°C at 760 mmHg

Density

1.4317 (rough estimate)

Flash Point

143.1℃

Refractive Index

1.4800 (estimate)

SMILES

View in Editor

C1=CN=C(C=N1)C(=O)O

InChI

InChI=1S/C5H4N2O2/c8-5(9)4-3-6-1-2-7-4/h1-3H,(H,8,9)

InChIKey

NIPZZXUFJPQHNH-UHFFFAOYSA-N

LogP

0.17479999999999996

pKa

pK (25°) 2.92

Topological Polar Surface Area

63.08 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

116

Safety Information

View Safety Information

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

Synonyms & References

English

Pyrazine-2-carboxylic acid
SMR000059041
2WB23298SP
Pyrazine-2-carboxylic Acid; Pyrazinamide Imp. A (EP); Pyrazinamide Impurity A
2-Pyrazinecarboxylic
2- carboxylic acid pyrazine
HMS3371F05
BDBM50216541
Pyrazine-2-carboxylicacid
UNII-2WB23298SP
Pyrazinic acid
Pyrazinecarboxylic acid, purum, >=98.0% (T)
pyrazinoic acid
NSC-27192
2-Pyrazinecarboxylic acid
PYRAZINOIC ACID [MI]
NSC13146
HY-76353
pyrazine-carboxylic acid
2-pyrazinic acid
MFCD00006130
PB27363
P0940
Q7263414
BP-30070
Paradiazinecarboxylic acid
NS00041381
NSC 13146
2-Pyrazinoic acid
Pyrazinecarboxylic acid, 99%
DTXSID30243367

MDL Number

MFCD00006130

Customs Code

29339990

FAQ

What is 2-Pyrazinecarboxylic acid (CAS: 98-97-5)?

2-Pyrazinecarboxylic acid, with the CAS number 98-97-5, is a heterocyclic organic compound containing a pyrazine ring. It has the chemical formula C4H4N2O2 and is characterized by its carboxylic acid group attached to the second carbon of the pyrazine ring. It is a white solid at room temperature and is commonly used as an intermediate in the synthesis of various pharmaceutical and chemical compounds.

What are the main uses of 2-Pyrazinecarboxylic acid (CAS: 98-97-5)?

2-Pyrazinecarboxylic acid (CAS: 98-97-5) is widely used in the pharmaceutical industry for the synthesis of drugs, particularly those targeting neurological and metabolic disorders. It also serves as a precursor in the production of dyes, agrochemicals, and other industrial chemicals. In research, it is valuable for developing new materials and studying chemical reactivity and biological activity.

Is 2-Pyrazinecarboxylic acid (CAS: 98-97-5) safe?

2-Pyrazinecarboxylic acid (CAS: 98-97-5) is generally considered safe when handled properly. However, it may cause skin and eye irritation, so appropriate protective measures such as gloves, goggles, and a fume hood should be used. Safety standards recommend following standard chemical handling protocols to minimize exposure and ensure safe use in laboratories and industrial settings.

How should 2-Pyrazinecarboxylic acid (CAS: 98-97-5) be stored?

2-Pyrazinecarboxylic acid (CAS: 98-97-5) should be stored in a cool, dry, and well-ventilated area, away from direct light. It is best kept in a sealed container to prevent moisture absorption and degradation. Storage conditions should maintain temperatures below 25°C and humidity levels below 60% to ensure stability and prolong shelf life.