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CAS No 76738-62-0 , Paclobutrazol

  • Name: Paclobutrazol
  • Synonyms: Holdfost;(+/-)-R*,R*-beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazol-1-ethanol; (2RS,3RS)-1-(4-chloro phenyl)-4,4-methyl-2-(1H-1,2,4-triazol-1-yl)-E-3-ol; PP333; Klipper; Parlay; (2RS,3RS)-l-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-l-yl)pentan-3-ol; (2RS,3RS)-1(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol; Bonzi; Clipper; (+/-)-R*,R*-beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazol-1-ethanol;(2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol;Paclobutrazol; MET; Cultar;
  • CAS Registry Number:
  • Transport: UN1325 4.1/PG 2
  • Melting Point: 165-166 ºC
  • Density: 1.19 g/cm3
  • Safety Statements: S36
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 266-325-7
  • Molecular Weight: 293.79
  • InChI: InChI=1/2C15H20ClN3O/c2*1-15(2,3)14(20)13(19-10-17-9-18-19)8-11-4-6-12(16)7-5-11/h2*4-7,9-10,13-14,20H,8H2,1-3H3/t2*13-,14-/m10/s1
  • Risk Statements: R22
  • Molecular Formula: C15H20ClN3O
  • Molecular Structure:CAS No:76738-62-0 Paclobutrazol

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76738-62-0 Paclobutrazol

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References of Paclobutrazol
Title: Paclobutrazol
CAS Registry Number: 76738-62-0
CAS Name: (aR,bR)-rel-b-[(4-Chlorophenyl)methyl]-a-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol
Synonyms: 1-tert-butyl-2-(p-chlorobenzyl)-2-(1,2,4-triazol-1-yl)ethanol; (2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol
Manufacturers' Codes: ICI-PP-333; PP-333
Trademarks: Bonzi (Syngenta); Cultar (Zeneca Ag Prod); Parlay (Zeneca Ag Prod); Trimmit (Zeneca Ag Prod)
Molecular Formula: C15H20ClN3O
Molecular Weight: 293.79
Percent Composition: C 61.32%, H 6.86%, Cl 12.07%, N 14.30%, O 5.45%
Literature References: Plant growth regulator with fungicidal activity. Prepn: B. C. Baldwin et al., DE 2734426; S. Balasubramanyan, M. C. Shephard, US 4243405 (1978, 1981 both to ICI). Physical properties and biological activity: B. G. Lever et al., Proc. Br. Crop Prot. Conf. - Weeds 1982, 3. Resolution and activity of isomers: B. Sugavanam, Pestic. Sci. 15, 296 (1984). GC determn in plant tissue: E. A. Stahly, D. A. Buchanan, HortScience 21, 534 (1986). Comparison with daminozide, q.v., of effect on apple trees: G. R. Stinchcombe et al., J. Hortic. Sci. 59, 323 (1984).
Properties: White crystalline solid, mp 165-166°. d 1.22. Vapor pressure at 20°: 1′10-6 Pa. Soly: water 35 mg/l, methanol 15%, propylene glycol 5%, acetone 11%, cyclohexanone 18%, methylene dichloride 10%, hexane 1%, xylene 6%.
Melting point: mp 165-166°
Density: d 1.22
Use: Plant growth regulator.