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Cas Database |
| Name |
Pyrazolate |
EINECS | N/A |
| CAS No. | 58011-68-0 | Density | 1.42g/cm3 |
| PSA | 86.64000 | LogP | 5.42320 |
| Solubility | N/A | Melting Point |
118～122℃ |
| Formula | C19H16 Cl2 N2 O4 S | Boiling Point | 610.7°Cat760mmHg |
| Molecular Weight | 439.319 | Flash Point | 323.1°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl−, SOx, and NOx. See also SULFONATES. | Risk Codes | R36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
A 544; H468T; Pyrazolate; Pyrazolynate; SW 751; Sanbird |
Article Data | 4 |
Pyrazolate Chemical Properties
IUPAC Name: [4-(2,4-Dichlorobenzoyl)-2,5-dimethylpyrazol-3-yl] 4-methylbenzenesulfonate
The MF of Pyrazolate (CAS NO.58011-68-0) is C19H16Cl2N2O4S.
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The MW of Pyrazolate (CAS NO.58011-68-0) is 439.3123.
Synonyms of Pyrazolate (CAS NO.58011-68-0): (2,4-Dichlorophenyl)[1,3-dimethyl-5-[[(4-methylphenyl)sulfonyl]oxy]-1H-pyrazol-4-yl]methanone ; Pyrazolynate ; Sanbird
Index of Refraction: 1.632
Apperance: White crystal
Density: 1.42 g/ml
Flash Point: 323.1 °C
Boiling Point: 610.7 °C
Storage temp: 0-6 °C
Pyrazolate Uses
Pyrazolate (CAS NO.58011-68-0) is pyrazole herbicides which inhibit chlorophyll biosynthesis leading weed to death.
Pyrazolate Production
1,3-Dimethyl pyrazolone-5 with 2,4-dichloro-benzoyl chloride obtained 1,3-dimethyl-4-(2,4-2 chloro-benzene formyl)-5-hydroxy-pyrazole in the presence of solvent and alkali. 1,3-Dimethyl-4-(2,4-2 chloro-benzene formyl)-5-hydroxy-pyrazole condensation with tosyl chloride obtained Pyrazolate.
Pyrazolate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 3681mg/kg (3681mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| mouse | LD50 | oral | > 5gm/kg (5000mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| mouse | LD50 | skin | > 5gm/kg (5000mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| mouse | LD50 | subcutaneous | > 8300mg/kg (8300mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| rat | LD50 | intraperitoneal | 1950mg/kg (1950mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| rat | LD50 | oral | 9550mg/kg (9550mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| rat | LD50 | skin | > 5gm/kg (5000mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. | |
| rat | LD50 | subcutaneous | > 6gm/kg (6000mg/kg) | Sankyo Kenkyusho Nempo. Annual Report of Sankyo Research Laboratories. Vol. 36, Pg. 44, 1984. |
Pyrazolate Safety Profile
Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl−, SOx, and NOx. See also SULFONATES.
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