5521-55-1
| Name | 5-Methyl-2-pyrazinecarboxylic acid |
| CAS | 5521-55-1 |
| EINECS(EC#) | 413-260-9 |
| Molecular Formula | C6H6N2O2 |
| MDL Number | MFCD00068241 |
| Molecular Weight | 138.12 |
| MOL File | 5521-55-1.mol |
Chemical Properties
| Appearance | Pale Brown Powder |
| Melting point | 167-171 °C(lit.) |
| Boiling point | 253.51°C (rough estimate) |
| density | 1.3471 (rough estimate) |
| refractive index | 1.5100 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Amorphous Powder |
| pka | 3.53±0.10(Predicted) |
| color | Orange |
| BRN | 116005 |
| InChI | InChI=1S/C6H6N2O2/c1-4-2-8-5(3-7-4)6(9)10/h2-3H,1H3,(H,9,10) |
| InChIKey | RBYJWCRKFLGNDB-UHFFFAOYSA-N |
| SMILES | C1(C(O)=O)=NC=C(C)N=C1 |
| LogP | -0.254 (est) |
| CAS DataBase Reference | 5521-55-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Methylpyrazine-5-carboxylic acid(5521-55-1) |
Safety Data
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H318 |
| Precautionary statements | P280-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 1 |
| Hazard Note | Irritant |
| REACH Registrations | Active |
| HS Code | 29339900 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Dam. 1 |