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: 2026-01-13 11:26:30
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
Tetrabutylammonium perchlorate DL-beta-(3-Bromophenyl)alanine N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid (R)-1-Benzyl-3-pyrrolidinecarbonitrile Rifaximin EP Impurity-G N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2,2'-(5-methyl-1,3-phenylene)-di(2-Methylpropionitrile) 1-methyl amino-2,4-dinitro benzene 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol (R)-BoroLeu-(+)-Pinanediol-CF3COOH 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 2-Chloro Benzylcyanide 3-chlorobenzyl cyanide 3,4 Diethoxy Benzylcyanide 3,4 Dimethoxy Benzylcyanide valeronitrile 4-Bromo BenzylcyanideRelated products of tetrahydrofuran
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