Product Name

  • Name

    PYRAZOLATE

  • EINECS
  • CAS No. 58011-68-0
  • Article Data4
  • CAS DataBase
  • Density 1.42g/cm3
  • Solubility
  • 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
  • Appearance
  • 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 Molecular Structure of 58011-68-0 (PYRAZOLATE)
  • Hazard Symbols Xi
  • Synonyms A 544; H468T; Pyrazolate; Pyrazolynate; SW 751; Sanbird
  • PSA 86.64000
  • LogP 5.42320

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.

                      
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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