|  | |  |  | 2,4-Dichloro-5-methylpyrimidine Basic information | 
 | Product Name: | 2,4-Dichloro-5-methylpyrimidine |  | Synonyms: | 2,4-dichloro-5-methyl-pyrimidin;2,4-Dichloro-5-methyl-1,3-diazine;Dichloro-5-MethylpyriMid;2,4-DICHLORO-5-METHYLPYRIMIDINE;2,4-Dichloro-5-methylpyrimidine**Toxic, Stench**;Toxic,stench;PYRIMIDINE,2,4-DICHLORO-5-METHYL;2,4-Dichloro-5- |  | CAS: | 1780-31-0 |  | MF: | C5H4Cl2N2 |  | MW: | 163 |  | EINECS: | 217-227-8 |  | Product Categories: | Heterocycle-Pyrimidine series;C4 to C5;pharmacetical;Chemical Synthesis;Halogenated Heterocycles;Heterocyclic Building Blocks;Halides;Nucleic  acids;Bases & Related Reagents;Nucleotides;Building  Blocks;Halogenated  Heterocycles;Heterocyclic  Building  Blocks;PyrimidinesHeterocyclic  Building  Blocks;Heterocycles;Pyrimidine;Building Blocks;Halogenated;Nucleotides and Nucleosides;Pyrimidines |  | Mol File: | 1780-31-0.mol |  |  | 
|  |  | 2,4-Dichloro-5-methylpyrimidine Chemical Properties | 
 | Melting point | 26-28 °C (lit.) |  | Boiling point | 108-109 °C/11 mmHg (lit.) |  | density | 1.39 g/mL at 25 °C (lit.) |  | refractive index | 1.6300 (estimate) |  | Fp | >230 °F |  | storage temp. | Inert atmosphere,2-8°C |  | solubility | Soluble in chloroform, ether, ethyl acetate and toluene |  | pka | -2.44±0.29(Predicted) |  | form | powder to lump to clear liquid |  | color | White or Colorless to Almost white or Almost colorless |  | Sensitive | Lachrymatory |  | InChIKey | DQXNTSXKIUZJJS-UHFFFAOYSA-N |  | CAS DataBase Reference | 1780-31-0(CAS DataBase Reference) |  | EPA Substance Registry System | Pyrimidine, 2,4-dichloro-5-methyl- (1780-31-0) | 
| Hazard Codes | C |  | Risk Statements | 34 |  | Safety Statements | 26-36/37/39-45-27 |  | RIDADR | UN 3261 8/PG 2 |  | WGK Germany | 3 |  | TSCA | Yes |  | HazardClass | 8 |  | PackingGroup | III |  | HS Code | 29335990 | 
|  |  | 2,4-Dichloro-5-methylpyrimidine Usage And Synthesis | 
 | Chemical Properties | White to Off White Low Melting Solid |  | Uses | 2,4-Dichloro-5-methylpyrimidine, is used in the synthesis of (2-chloro-6-methyl-pyrimidin-4-yl)-(2,3-dihydro-benzothiazol-6-yl)-amine. It can react with piperidineto produce 2-chloro-5-methyl-4-piperidin-1-yl-pyrimidine. This reaction will need solvent dioxane. | 
|  |  | 2,4-Dichloro-5-methylpyrimidine Preparation Products And Raw materials | 
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