4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE
Synonym(s):4,5-Dichloro-2-methylpyridazin-3-one
- CAS NO.：933-76-6
- Empirical Formula: C5H4Cl2N2O
- Molecular Weight: 179
- MDL number: MFCD00051686
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE?
Chemical properties
Off-white to yellow low crystalline powder
The Uses of 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE
4,5-Dichloro-2-methyl-3(2H)-pyridazinone can be used in the synthesis of 4-amino-3(2H)-pyridazinones and 5-amino-3(2H)-pyridazinones via reaction with N-benzylaminoethanol.
Definition
ChEBI: 4,5-Dichloro-2-methyl-3(2H)-pyridazinone is a pyridazinone.
Properties of 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE
| Melting point: | 87-91 °C(lit.) |
| Boiling point: | 197.2±50.0 °C(Predicted) |
| Density | 1.55±0.1 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | soluble in Ethanol |
| form | powder to crystal |
| pka | -3.57±0.20(Predicted) |
| color | White to Orange to Green |
Safety information for 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE
New Products
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