Name | 2-Pyrazinecarboxylic acid |
Synonyms | Pyrazinoic acid AKOS BBS-00003784 2-Pyrazinoic acid RARECHEM AL BO 0493 TIMTEC-BB SBB000051 2-Pyrazinecarboxylic SodiumStearlyFumarate Pyrazine-2-formic acid Pyrazinecarboxylic acid 2-Pyrazinecarboxylic aci Pyrazinecarboxylice acid 2-Pyrazinecarboxylic acid 2-PYRAZINECARBOXYLIC ACID Pyrazine-2-carboxylic acid Paradiazinecarboxylic acid 1,4-Diazinecarboxylic acid 1,4-Diazine-2-carboxylic acid |
CAS | 98-97-5 |
EINECS | 202-718-1 |
InChI | InChI=1/C5H4N2O2/c8-5(9)4-3-6-1-2-7-4/h1-3H,(H,8,9) |
InChIKey | NIPZZXUFJPQHNH-UHFFFAOYSA-N |
Molecular Formula | C5H4N2O2 |
Molar Mass | 124.1 |
Density | 1.4317 (rough estimate) |
Melting Point | 222-225°C (dec.)(lit.) |
Boling Point | 230.85°C (rough estimate) |
Flash Point | 143.1°C |
Water Solubility | SOLUBLE IN COLD WATER |
Solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
Vapor Presure | 0.011Pa at 25℃ |
Appearance | White-like powder |
Color | White to off-white |
Merck | 14,8970 |
BRN | 112305 |
pKa | pK (25°) 2.92 |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.4800 (estimate) |
MDL | MFCD00006130 |
Physical and Chemical Properties | Melting Point 222-225°C WATER-SOLUBLE IN COLD WATER White needle-like crystals. Melting point 225 ℃ (decomposition), soluble in hot water, insoluble in ether, chloroform, benzene, sublimation. |
Use | An intermediate of pirthiothione. |
Risk Codes | R11 - Highly Flammable R34 - Causes burns |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. |
WGK Germany | 3 |
HS Code | 29339990 |
LogP | -0.18 |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
Use | pyrazine 2-carboxylate is a very potent urate-retaining drug and is a metabolite of the antibacterial agent pyrazinamide. it can be prepared by pyrolysis of 2, 3-pyrazine dicarboxylic acid, and it can also be prepared by oxidation of alkylpyrazine, which is an intermediate of pirthiothione. |
production method | it can be prepared by pyrolysis of 2, 3-pyrazine dicarboxylic acid, and it can also be prepared by oxidation of alkylpyrazine. |