4,5-Dichloro-3(2H)-pyridazinone
Synonym(s):4,5-Dichloro-3(2H)-pyridazinone
- CAS NO.：932-22-9
- Empirical Formula: C4H2Cl2N2O
- Molecular Weight: 164.98
- MDL number: MFCD00051504
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:59:05
What is 4,5-Dichloro-3(2H)-pyridazinone?
Chemical properties
Beige Crystalline Solid
The Uses of 4,5-Dichloro-3(2H)-pyridazinone
A new labelled substituted pyridazinone with tuberculostatic action
The Uses of 4,5-Dichloro-3(2H)-pyridazinone
A new labelled substituted pyridazinone with tuberculostatic action.
What are the applications of Application
4,5-Dichloro-6-pyridazone is a new labelled substituted pyridazinone that has tuberculostatic action
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 28, p. 385, 1991 DOI: 10.1002/jhet.5570280234
General Description
The solid phase FT-IR and FT-Raman spectra of 4,5-dichloro-3-hydroxypyridazine was studied.
Properties of 4,5-Dichloro-3(2H)-pyridazinone
| Melting point: | 204-206 °C(lit.) |
| Density | 1.76±0.1 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Crystalline Powder |
| pka | 8.39±0.60(Predicted) |
| color | White to yellow |
| BRN | 120959 |
| CAS DataBase Reference | 932-22-9(CAS DataBase Reference) |
Safety information for 4,5-Dichloro-3(2H)-pyridazinone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4,5-Dichloro-3(2H)-pyridazinone
| InChIKey | VJWXIRQLLGYIDI-UHFFFAOYSA-N |
New Products
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