4858-85-9
| Name | 2,3-Dichloropyrazine |
| CAS | 4858-85-9 |
| EINECS(EC#) | 225-460-1 |
| Molecular Formula | C4H2Cl2N2 |
| MDL Number | MFCD00040964 |
| Molecular Weight | 148.98 |
| MOL File | 4858-85-9.mol |
Chemical Properties
| Appearance | clear colorless to light yellow liquid |
| Melting point | 22.5-24.5 °C |
| Boiling point | 105-107 °C (50 mmHg) |
| density | 1.431 g/mL at 25 °C(lit.) |
| refractive index | 1.5645 |
| Fp | 102 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | -4.23±0.10(Predicted) |
| color | Off-White to Light Yellow |
| Specific Gravity | 1.431 |
| BRN | 112628 |
| InChI | 1S/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H |
| InChIKey | MLCNOCRGSBCAGH-UHFFFAOYSA-N |
| SMILES | Clc1nccnc1Cl |
| LogP | 1.419 (est) |
| CAS DataBase Reference | 4858-85-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, 2,3-dichloro-(4858-85-9) |
Safety Data
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 |
| Hazard Codes | Xn,Xi |
| Risk Statements | |
| Safety Statements | |
| WGK Germany | 3 |
| Hazard Note | Irritant |
| REACH Registrations | Active |
| HazardClass | IRRITANT |
| HS Code | 29339900 |
| Storage Class | 10 - Combustible liquids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |