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98-97-5

Name 2-Pyrazinecarboxylic acid
CAS 98-97-5
EINECS(EC#) 202-718-1
Molecular Formula C5H4N2O2
MDL Number MFCD00006130
Molecular Weight 124.1
MOL File 98-97-5.mol
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Chemical Properties

Appearance WHITE TO OFF-WHITE CRYSTALLINE POWDER
Melting point  222-225 °C (dec.)(lit.)
Boiling point  230.85°C (rough estimate)
density  1.4317 (rough estimate)
vapor pressure  0.011Pa at 25℃
refractive index  1.4800 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly, Heated)
form  Crystalline Powder
pka pK (25°) 2.92
color  White to off-white
Water Solubility  SOLUBLE IN COLD WATER
Detection Methods HPLC,NMR
Merck  14,7959
BRN  112305
InChIKey NIPZZXUFJPQHNH-UHFFFAOYSA-N
CAS DataBase Reference 98-97-5(CAS DataBase Reference)
NIST Chemistry Reference Pyrazinoic acid(98-97-5)

Safety Data

Hazard Codes  Xi,C,F
Risk Statements 
R11:Highly Flammable.
R34:Causes burns.
Safety Statements 
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 label where 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-No smoking .
WGK Germany  3
HS Code  29339990

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