2,4-Dichloro-5-methylpyrimidine
- CAS NO.：1780-31-0
- Empirical Formula: C5H4Cl2N2
- Molecular Weight: 163
- MDL number: MFCD00023197
- EINECS: 217-227-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 2,4-Dichloro-5-methylpyrimidine?
Chemical properties
White to Off White Low Melting Solid
The Uses of 2,4-Dichloro-5-methylpyrimidine
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.
Properties of 2,4-Dichloro-5-methylpyrimidine
| 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) |
| Flash point: | >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 |
| CAS DataBase Reference | 1780-31-0(CAS DataBase Reference) |
| EPA Substance Registry System | Pyrimidine, 2,4-dichloro-5-methyl- (1780-31-0) |
Safety information for 2,4-Dichloro-5-methylpyrimidine
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,4-Dichloro-5-methylpyrimidine
| InChIKey | DQXNTSXKIUZJJS-UHFFFAOYSA-N |
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