Paclobutrazol supplier | CasNO.76738-62-0

Name
Paclobutrazol
EINECS 266-325-7
CAS No. 76738-62-0
Article Data7
CAS DataBase
Density 1.19 g/cm3
Solubility
Melting Point 165-166 °C
Formula C₁₅H₂₀ClN₃O
Boiling Point 460.9 °C at 760 mmHg
Molecular Weight 293.79
Flash Point 232.6 °C
Transport Information
Appearance off-white to beige solid
Safety 36
Risk Codes 22
Molecular Structure
Hazard Symbols Xn
Synonyms Paclobutrazol [ANSI:BSI:ISO];(2RS,3RS)-1-(4-Chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol;(2RS,3RS)-1-(4-Chlorophenyl)-4,4-dimethyl-2-1,2,4-triazol-1-yl pentan-3-ol;(R*,R*)-(+-)-beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol;Bonzi;Caswell No. 628C;Clipper;Clipper 50WP;Cultar;Duo Xiao Zuo ; EPA Pesticide Chemical Code 125601;Friazole;ICI-PP 333;PP 333;Paclobutrazol;Parlay;Trimmit;beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol;1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-, (R*,R*)-(+-)-;1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-, (alphaR,betaR)-rel-;alpha-tert-Butyl-beta-((4-chlorophenyl)methyl)-1H-triazol-1-ethanol;
PSA 50.94000
LogP 3.12230

Synthetic route

: 76738-62-0
paclobutrazol

: C25H31ClN4O3S

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: sulphamoyl chloride / N,N-dimethyl acetamide / 0 - 20 °C 2: [bis(acetoxy)iodo]benzene; 1,3-dimethyl-imidazoline-2-selone / dichloromethane / Inert atmosphere View Scheme

: 76738-62-0
paclobutrazol

: paclobutrazole sulfamate

Conditions

Conditions	Yield
With sulphamoyl chloride In N,N-dimethyl acetamide at 0 - 20℃;	1.26 g

Paclobutrazol Chemical Properties

Molecular structure of Paclobutrazol (CAS NO.76738-62-0) is:

Product Name: Paclobutrazol
CAS Registry Number: 76738-62-0
IUPAC Name: (2S,3S)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pentan-3-ol
Molecular Weight: 293.7918 [g/mol]
Molecular Formula: C₁₅H₂₀ClN₃O
XLogP3: 3.2
H-Bond Donor: 1
H-Bond Acceptor: 3
EINECS: 266-325-7
Melting Point: 165-166 °C
Flash Point: 232.6 °C
Enthalpy of Vaporization: 76.04 kJ/mol
Boiling Point: 460.9 °C at 760 mmHg
Vapour Pressure: 2.72E-09 mmHg at 25°C
Product Categories: Plant growth regulator

Paclobutrazol Uses

Paclobutrazol (CAS NO.76738-62-0) is a plant growth retardant and triazole fungicide. It has also been shown to reduce frost sensitivity in plants. It is used to reduce shoot growth by arborists and has been shown to have additional positive effects on trees and shrubs.

Paclobutrazol Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
duck	LD50	oral	> 7900mg/kg (7900mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.
guinea pig	LD50	oral	400mg/kg (400mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.
mouse	LD50	oral	490mg/kg (490mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.
rabbit	LD50	oral	840mg/kg (840mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.
rabbit	LD50	skin	> 1gm/kg (1000mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.
rat	LC50	inhalation	369gm/m3/4H (369000mg/m3)	Farm Chemicals Handbook. Vol. -, Pg. C228, 1991.
rat	LD50	oral	1300mg/kg (1300mg/kg)	Pesticide Manual. Vol. 9, Pg. 664, 1991.
rat	LD50	skin	> 1gm/kg (1000mg/kg)	Pesticide Manual. Vol. 9, Pg. 644, 1991.

Paclobutrazol Safety Profile

Hazard Codes: Harmful Xn
Risk Statements: 22
R22:Harmful if swallowed.
Safety Statements: 36
S36:Wear suitable protective clothing.
RIDADR: UN1325 4.1/PG 2
RTECS: XZ4803300

Paclobutrazol Specification

Paclobutrazol , its cas register number is 76738-62-0. It also can be called Paclobutrazol [ANSI:BSI:ISO] ; (2RS,3RS)-1-(4-Chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol ; (2RS,3RS)-1-(4-Chlorophenyl)-4,4-dimethyl-2-1,2,4-triazol-1-yl pentan-3-ol ; (R*,R*)-(+-)-beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol ; Bonzi ; Caswell No. 628C ; Clipper ; Clipper 50WP ; Cultar ; Duo Xiao Zuo ; EPA Pesticide Chemical Code 125601 ; Friazole ; ICI-PP 333 ; PP 333 ; Paclobutrazol ; Parlay ; Trimmit ; beta-((4-Chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol ; 1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-, (R*,R*)-(+-)- ; 1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-(1,1-dimethylethyl)-, (alphaR,betaR)-rel- ; alpha-tert-Butyl-beta-((4-chlorophenyl)methyl)-1H-triazol-1-ethanol . It is a off-white to beige solid. And it is normally applied to the soil to be taken up by the roots and transported via the xylem to the upper parts of the plant.

Product Name

Paclobutrazol