Paclobutrazol Technical

CAS Number: 76738-62-0

Molecular Formula: C15H20ClN3O

About Paclobutrazol Technical

Paclobutrazol (PBZ) is a plant growth regulator that inhibits the biosynthesis of gibberellins, plant hormones responsible for promoting growth. By suppressing gibberellin production, PBZ effectively reduces internodal elongation, resulting in shorter, sturdier plants with enhanced root systems. It also influences othe...

Variants

Paclobutrazol 23% SC

CAS: 76738-62-0

Paclobutrazol 40% SC

CAS: 76738-62-0

Synonyms

1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pentan-3-ol
paclobutrazol
paclobutrazol, (R*,S*)-(+-)-isomer
paclobutrazol, (R*,S*)-isomer
paclobutrazol, (R-(R*,R*))-isomer

View all

Paclobutrazol Technical Specifications

CAS Number

76738-62-0

Molecular Formula

C15H20ClN3O

IUPAC Name

(2S,3S)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pentan-3-ol

Canonical SMILES

CC(C)(C)C(C(CC1=CC=C(C=C1)Cl)N2C=NC=N2)O

InChI Key

RMOGWMIKYWRTKW-UONOGXRCSA-N

InChI

1S/C15H20ClN3O/c1-15(2,3)14(20)13(19-10-17-9-18-19)8-11-4-6-12(16)7-5-11/h4-7,9-10,13-14,20H,8H2,1-3H3/t13-,14+/m0/s1

EINECS Number

616-379-6

MDL Number

MFCD00001802

UNSPSC Code

10191500

eClass

32039000

NACRES

NA.22

HSN No

2933.39.90

CAS Number

76738-62-0

Molecular Formula

C15H20ClN3O

IUPAC Name

(2S,3S)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pentan-3-ol

Canonical SMILES

CC(C)(C)C(C(CC1=CC=C(C=C1)Cl)N2C=NC=N2)O

InChI Key

RMOGWMIKYWRTKW-UONOGXRCSA-N

InChI

1S/C15H20ClN3O/c1-15(2,3)14(20)13(19-10-17-9-18-19)8-11-4-6-12(16)7-5-11/h4-7,9-10,13-14,20H,8H2,1-3H3/t13-,14+/m0/s1

EINECS Number

616-379-6

MDL Number

MFCD00001802

UNSPSC Code

10191500

eClass

32039000

NACRES

NA.22

HSN No

2933.39.90

Appearance

Off white to white colour

pbz contect (% by mass)

23.08

Solubility

Completely soluble in water

Odor

Sweetish

Viscosity

300 - 900 cps

Chemical Stability

Stable

Reactivity

Non-reactive

Shelf life

2 years

Priority Identifiers

• Warning – Keep out of reach of children

(R-Phrases)

• R43: May cause sensitization by skin contact • R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment

(S-Phrases)

• S2: Keep out of reach of children • S24: Avoid contact with skin • S28: After skin contact, wash immediately with plenty of soap and water • S36/37: Wear suitable protective clothing and gloves • S60: This material and its container must be disposed of as hazardous waste

(H) Statements

• R20: Harmful by inhalation • R25: Toxic if swallowed • R36: Irritating to eyes • R43: May cause sensitization by skin contact

Ornamental Horticulture

PBZ is widely used in ornamental plant cultivation to control excessive growth, improve plant shape, and enhance flowering.

Fruit and Vegetable Production

Applied to various fruit and vegetable crops, PBZ promotes early fruiting, increases yield, and improves fruit quality by regulating plant growth.

Turf Management

In turfgrass management, PBZ reduces mowing frequency and enhances turf quality by controlling vertical growth.

Arboriculture

Arborists use PBZ to manage the growth of trees and shrubs, especially in urban environments, to reduce maintenance needs and improve structural integrity.