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: 2026-05-28 05:47:03
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
New Products
Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Cis-Tosylate Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) BOC Piperazine 1-Benzhydrylazetane-3-carbonitrile 8-oxa-1,3-diazaspiro[4.5]decane-2,4-dione (±)-amino(2-fluorophenyl)acetic acid 2-(2-Chlorophenyl)glycine AMINO-(3-CHLORO-PHENYL)-ACETIC ACID 2'-Fluoroacetophenone METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 Trans,trans muconic acid HC Blue-16 4-Amino-2-chloro-6,7-dimethoxyquinazoline Ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate 2,3-Dimethoxypyridine 1-(3-Chlorophenyl)piperazine hydrochlorideRelated products of tetrahydrofuran
![4-CHLORO-2-(4-METHOXYPHENYL)-5-[METHYL(1H-PYRROL-1-YL)AMINO]-3(2H)-PYRIDAZINONE](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB1674505.gif)
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