Chloridazon
Synonym(s):Pyrazone
- CAS NO.：1698-60-8
- Empirical Formula: C10H8ClN3O
- Molecular Weight: 221.64
- MDL number: MFCD00055402
- EINECS: 216-920-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-13 17:03:25
What is Chloridazon?
Chemical properties
Brown Solid
The Uses of Chloridazon
Herbicide, active by perturbing cell membranes
Definition
ChEBI: A pyridazinone that is pyridazin-3(2H)-one substituted by an amino group at position 5, a chloro group at position 4 and a phenyl group at position 2.
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. A severe eye irritant. Experimental reproductive effects. Used as a preemergence and early post-emergence herbicide. When heated to decomposition it emits very toxic fumes of Cland NOx.
Properties of Chloridazon
| Melting point: | 198-200°C |
| Boiling point: | 312.2±52.0 °C(Predicted) |
| Density | 1.4884 (rough estimate) |
| refractive index | 1.5330 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| solubility | Chloroform (Slightlly), DMSO (Sparingly), Methanol (Slightly) |
| pka | 0.71±0.20(Predicted) |
| form | neat |
| color | Pale-yellowish solid |
| Water Solubility | 0.3g/L(20 ºC) |
| BRN | 397241 |
| CAS DataBase Reference | 1698-60-8(CAS DataBase Reference) |
| EPA Substance Registry System | Pyrazon (1698-60-8) |
Safety information for Chloridazon
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for Chloridazon
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