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CAS No 96489-71-3 , 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-
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  • Name: 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-
    one
  • Synonyms: NCI 129; Pyridaben [ISO]; 2-tert-Butyl-5-(4-tert-butyl-benzylthio)-4-chloropyridazin-3(2H)-one;Sanmite;2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-
    one; 96489-71-3; HSDB 7052; CHEBI:38626;
  • CAS Registry Number:
  • Transport: UN 3077
  • Density: 1.12 g/cm3
  • Refractive index: 1.564
  • Safety Statements: R23/25;R50/53
  • Hazard Symbols: N: Dangerous for the environment;T: Toxic;
  • EINECS: 405-700-3
  • Molecular Weight: 364.9326
  • InchiKey: DWFZBUWUXWZWKD-UHFFFAOYSA-N
  • InChI: InChI=1S/C19H25ClN2OS/c1-18(2,
    3)14-9-7-13(8-10-14)12-24-15-11-21-22(19(4,5)6)17(23)16(15)20/h7-11H,
    12H2,1-6H3
  • Risk Statements: S36/37;S45;S60;S61
  • Molecular Formula: C19H25ClN2OS
  • Molecular Structure:CAS No:96489-71-3 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-<br />one

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96489-71-3 Pyridaben

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  • Tel: 0049 9402/9336 0
  • Fax: 0049 9402/9336 13
  • Address: CHEMOS GmbH
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References of 2-tert-butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-
one
Title: Pyridaben
CAS Registry Number: 96489-71-3
CAS Name: 4-Chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-dimethylethyl)phenyl]methyl]thio]-3(2H)-pyridazinone
Synonyms: 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one
Manufacturers' Codes: NC-129; NCI-129
Trademarks: Sanmite (Nissan); Nexter (BASF)
Molecular Formula: C19H25ClN2OS
Molecular Weight: 364.93
Percent Composition: C 62.53%, H 6.91%, Cl 9.72%, N 7.68%, O 4.38%, S 8.79%
Literature References: Pyridazinone derivative. Prepn: JP Kokai 85 4173; M. Taniguchi et al., US 4877787 (1985, 1989 both to Nissan). Chemical and biological properties: K. Hirata et al., Brighton Crop Prot. Conf. - Pests Dis. 1988, 41; K. Hirata et al., J. Pestic. Sci. 20, 177 (1995). HPLC determn in soil: C. Y. Deng et al., Fenxi Huaxue 23, 1357 (1995); C.A. 124, 7749 (1995). Field trials against mites: G. Sterk, C. Versmissen, Meded. Fac. Landbouwwet. Univ. Gent 57, 941 (1992). Review of field trials: G. Sterk, Brighton Crop Prot. Conf. - Pests Dis. 1994, 559-568.
Properties: Odorless, white crystalline solid, mp 111-112°. d420: 1.2. Vapor pressure (20°): 1.9 ′ 10-6 mm Hg. Soly at 20° (g/100ml): acetone 46, corn oil 4.2, ethanol 5.7, methyl cellosolve 11, xylene 39, benzene 11, cyclohexane 32, hexane 1.0, n-octanol 6.3, water 1.2 ′ 10-6. Stable in water at pH 4, 7, 9. Stable in most organic solvents. Stable to heat at 50° for 3 months. LD50 in male, female rats, bobwhite quail, mallard ducks (mg/kg): 435, 358, >2250, >2500 orally (Hirata). LD50 in male, female rabbits (mg/kg): >2000, >2000 dermally (Hirata).
Melting point: mp 111-112°
Toxicity data: LD50 in male, female rats, bobwhite quail, mallard ducks (mg/kg): 435, 358, >2250, >2500 orally (Hirata); LD50 in male, female rabbits (mg/kg): >2000, >2000 dermally (Hirata)
Use: Acaricide.