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paclobutrazol (Ref: PP 333)
** paclobutrazol ** paclobutrazole ** Traducciones

Destino ambiental - Ecotoxicología - La salud humana - A a Z Indice - Inicio

INFORMACIÓN GENERAL Click here for an explantaion of the general chemical status information
for paclobutrazol

Descripción: A conazole plant growth regulator with some fungicidal activity for ornamentals, fruit and other crops to inhibit vegetative growth

Ejemplos de plagas controladas: Vegetative growth - cell division

Ejemplos de aplicaciones: Mango; Cotton; Corn; Chilli; Bonzi production; Grape vines

Eficacia y actividad: -

Availability status: Current

Introduction & key dates: 1986

CEE Regulación 1107/2009 ( 91/414):
Estado Approved
Dossier rapporteur/co-rapporteur UK/Romania
Date inclusion expires 31/05/2021
UE Candidatas a sustitución Yes - two 'Persistent-Bioaccumulative-Toxic' criteria
Incluido en la base de datos de la UE

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also used in: Australia

Estructura química: Click here for further information on the general chemical status information used on this site
Isomerism A molecule with two chiral centres. The technical material is a racemate comprising equimolar amounts of (2R,3R)- and (2S,3S)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol.
Fórmula química C15H20ClN3O
Canonical SMILES CC(C)(C)C(C(CC1=CC=C(C=C1)Cl)N2C=NC=N2)O
Isomeric SMILES CC(C)(C)[C@H]([C@@H](CC1=CC=C(C=C1)Cl)N2C=NC=N2)O
International Chemical Identifier Key (InChIKey) RMOGWMIKYWRTKW-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/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
¿Diagrama de estructura 2D / imagen disponible?

Estado general: Click here for further information on the general chemical status information used on this site
Tipo de pesticida Plant growth regulator; Fungicide
Grupo químico Triazole
Minimum active substance purity 930 g/kg
Known relevant impurities EU dossier - None declared
Sustancias de origen Sintéticas
Modo de acción Absorbed through leaves, stem and roots and translocated
CAS RN 76738-62-0
CEE número 266-325-7
Número CIPAC 445
EPA américaine chimiques de code 125601
PubChem CID 158076
Masa molecular (g mol-1) 293.8
PIN (Preferred Identification Name) -
Nombre IUPAC (2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol
Nombre CAS (αR,βR)-rel-β-((4-chlorophenyl)methyl)-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol
Otra información de estado -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) No aplicable
Herbicide Resistance Classification (WSSA) No aplicable
Insecticide Resistance Classification (IRAC) No aplicable
Fungicide Resistance Classification (FRAC) No aplicable
Examples of recorded resistance -
Estado físico White crystalline solid
Related substances & organisms

Formulaciones:
Propiedad Click here for information on the general product and branding information used on this site Valor
Example manufacturers & suppliers of products using this active now or historically
  • Agrovista
  • Fine
  • Syngenta
Example products using this active
  • Bonzi
  • Cultar
  • Parlay
  • Piroutte
Estado de UK LERAP None
Formulation and application details Often supplied as a suspension concentrate that is mixed with water and used as a spray.


DESTINO AMBIENTAL

for paclobutrazol

Propiedad Click here for information on the parameters used to describe environmental fate on this site Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with fate data Interpretación Click here for information on the way in which we interpret environmental fate data
Solubilidad - En aqua en 20oC (mg l-1) 22.9 A5 Bajo
Solubilidad - en solventes organicos en 20oC (mg l-1) 72400 A5 - Acetona -
5670 A5 - Xileno -
150000 A5 - Metanol -
199 A5 - n-Heptano -
Punto de fusión (oC) 164 A5 -
Punto de ebullición (oC) 384 A5 -
El punto de degradación (oC) - - -
Punto de inflamación (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-aqua coeficiente de particiónat en pH 7, 20oC P 1.29 X 1003 Calculado -
Log P 3.11 A5 Alto
Masa densidad (g ml-1)/Peso específico 1.23 A5 -
Disociación constante (pKa) at 25oC - - -
Nota:
Presión de vapor en 20oC (mPa) 0.0019 A5 Baja volatilidad
Constante de Henry a 25oC (Pa m3 mol-1) 2.39 X 10-05 A5 No volátil
Indice de potencial de lixiviación GUS Click here for a note on the limitations of the GUS index 3.49 Calculado Alta posibilidad de la lixiviación
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Valor 6.39 X 10-01 Calculado -
Nota -
Potencial para transportar de 'particle bound' Click here for a note on the limitations of the potential for particle bound transport index - Calculado Mediano
Maximum UV-vis absorption L mol-1 cm-1 Neutral solution: 222nm = 10900, 260nm = 233, 267nm = 294, 276nm = 236; [Acidic solution: 221nm = 17500, 260nm = 228, 267nm = 284, 276nm = 229; [Basic solution: 221nm = 12800, 260nm = 222, 267nm = 280, 276nm = 225; [No absorbance > ca 280nm A5 -
Surface tension (mN m-1) 66.0 A5 at 20.5 oC] -

Degradación:
Propiedad Click here for information on the parameters used to describe substance degradation Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with degradation data Interpretación Click here for information on the way in which we interpret substance degradation data
Biodegradabilidad general -
Degradación de suelo (días) (aerobic) DT50 (típico) 112 B5 Persistente
DT50 (laboratorio en 20oC) 120 A5 Persistente
DT50 (campo) 29.5 A5 No persistente
DT90 (laboratorio en 20oC) 876 A5 -
DT90 (campo) 98.1 A5 -
Endpoint de modelado DT50 - - -
Nota EU dossier lab studies DT50 range 27.1-618 days, DT90 range 143-2053 days, field studies DT50 range 27.2-60.8 days, DT90 range 46.7-202 days; Other studies: DT50 (1) lab 84-140 days, field 6-13 months (B4), (2) US sources: 200 days (DW4)
Dissipation rate RL50 on plant matrix Valor 4.4 R3 -
Nota Wheat, whole plant, n=1
Dissipation rate RL50 on and in plant matrix Valor 6.0 R3 -
Nota OSR, whole plant, n=1
Acuoso fotólisis DT50 (días) en pH 7 Valor Estable A5 -
Nota -
Acuoso hidrólisis DT50 (días) en 20oC y pH 7 Valor Estable A5 -
Nota Stable pH 4 to pH 9 over 30 days at 25 degC
Aqua-Sedimento DT50 (días) 787 A5 Estable
Fase de agua sola DT50 (días) 164 A5 Estable

De absorción del suelo y la movilidad:
Propiedad Click here for information on the parameters used to describe substance adsorption and mobility Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretación Click here for information on the way in which we interpret substance adsorption and mobility
Lineal Kd - DW3 Móvil moderado
Koc 400
Notas y rango -
Freundlich Kf 4.3 A5 Móvil moderado
Kfoc 210
1/n 0.93
Notas y rango EU dossier kf range 0.68-15.1 mL/g, Kfoc range 34.7-665.3 mL/g, 1/n range 0.87-0.97, Soils=13
pH senbsibilidad No

Key metabolites:
Metabolito Medio de formación Maximó Calculado de Fracción Ocurrencia 1107/2009 Importancia Click here for further information on 1107/2009 relevancy
(2RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-one (Ref: CGA 149907) This metabolite may cause environmental pollution, click here for further information Suelo   0.274   Major fraction, Relevant
1,2,4-triazole (Ref: CGA 71019) Suelo   0.03   Minor fraction, Relevant
1H-1,2,4-triazol-1-ylacetic acid (Ref: CGA 142856) Suelo   -   Not relevant

Other known metabolites:
Metabolite name and reference Aliases Medio de formación / Rate Maximó Calculado de Fracción Ocurrencia Metabolising enzymes
2-amino-3-1,2,4-triazole-1-yl-propionic acid
(Ref: CGA 131013)
triazole alanine Plant - -
2-hydroxy-3-[1,2,4]-triazole-1-yl-propionic acid
(Ref: CGA 205639)
triazole lactic acid Plant - -
3-hydroxy-1H-1,2,4-triazole, hydroxy triazole
(Ref: NOA 457654)
Nota: Potenial groundwater pollutant
- Water/sediment; Soil - -
(2RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H, 1,2,4-triazole-1-yl)-1-hydroxy-pentan-3-one
(Ref: R117117)
hydroxy ketone Water/sediment - -
(2RS, 3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H, 1,2,4-triazole-1-yl)pentan-1,3-diol
(Ref: SYN 536408)
diol Water/sediment - -


ECOTOXICOLOGÍA

for paclobutrazol

Propiedad Click here for information on the parameters used to describe substance ecotoxicology Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretación Click here for information on the way in which we interpret substance ecotoxicology
Factor de la bio-concentración BCF (l kg-1) 44 A5 Bajo potencial
CT50 (días) No disponible -
Mamíferos - Agudos oral LD50 (mg kg-1) 1336 A5 Rata Moderado
Mamíferos - a corto plazo NOEL (mg kg-1) 2.5 B5 Rata Alto
(ppm dieta) 50 -
Pájaros/aves - Agudos LD50 (mg kg-1) > 2100 A5 Colinus virginianus Bajo
Birds - Short term dietary (LC50/LD50) > 2000 mg kg feed-1 A5 Colinus virginianus -
Pez - agudo 96 hora LC50 (mg l-1) 23.6 A5 Lepomis macrochirus Moderado
Pez - Crónico 21 días NOEC (mg l-1) 3.3 A5 Salmo gairdneri Moderado
Invertebrados acuáticos - Agudos 48 hora EC50 (mg l-1) 33.2 B5 Daphnia magna Moderado
Invertebrados acuáticos - Crónicos 21 días NOEC (mg l-1) 0.32 A5 Daphnia magna Moderado
Crustáceos acuáticos - Agudos 96 hora LC50 (mg l-1) - - -
Sediment dwelling organisms - Agudos 96 hora LC50 (mg l-1) - - -
Sediment dwelling organisms - Crónicos 28 día NOEC, estático, agua (mg l-1) - - -
Sediment dwelling organisms - Crónicos 28 día NOEC, sedimento (mg kg-1) - - -
Plantas acuáticas - Agudos 7 día EC50, biomasa (mg l-1) 0.0082 A5 Lemna gibba Alto
Non-target plants 58.3 A5 Tomato
Seedling emergence, ER50
as g/ha
-
- - -
Algas - Agudos 72 hora EC50, crecimiento (mg l-1) 7.2 A5 Pseudokirchneriella subcapitata Moderado
Algas - Crónicos 96 hora NOEC, crecimiento (mg l-1) - - -
Abejas mielíferas (Apis spp.) Contacto aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) > 40 A5 Moderado
Oral aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) > 2 A5 Moderado
Modo desconocido aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) - - -
Abejorros (Bombus spp.) Contacto aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) - - -
-
Oral aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) - - -
-
Abejas albañiles (Osmia spp.) Contacto aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) - - -
Oral aguda LD50 (peor caso de 24 , 48 y 72 hora valores - μg abeja-1) - - -
Otros polinizadores (1) Agudos LD50 (peor caso de 24 , 48 y 72 hora valores - μg insect-1) - - -
Modo de exposición -
Otros polinizadores (2) Agudos LD50 (peor caso de 24 , 48 y 72 hora valores - μg insect-1) - - -
Modo de exposición -
Lombrices - Agudos 14 día LC50 (mg kg-1) > 500 A5 Eisenia foetida, corr Moderado
Lombrices - Crónicos 14 día NOEC, reproducción (mg kg-1) 0.68 A5 Eisenia foetida, corr Moderado
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Causalidad - - -
Otro arthropoda (1) LR50 g ha-1 16.7 48 hora
A5 Aphidius rhopalosiphi
-
% Causalidad - - -
Otro arthropoda (2) LR50 g ha-1 1000 >, 7 día
A5 Typhlodromus pyri
-
% Causalidad - - -
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect @ 77 días
Carbon mineralisation: No significant adverse effect @ 21 días
A5
Dose: 20 kg ha-1
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


LA SALUD HUMANA Y PROTECCIÓN

for paclobutrazol

General:
Propiedad Click here for information on the parameters used to describe human health and protection issues Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with human health and protection data Interpretación Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mamíferos - Agudos oral LD50 (mg kg-1) 1336 A5 Rata Moderado
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) 3.13 A5 Rat, 4 hr (nose only) -
Other Mammal toxicity endpoints - -
Consumo cada día aceptable (mg kg-1p.c. días-1) 0.022 A5 -
ARfD - Acute Reference Dose (mg kg-1p.c. días-1) 0.1 A5 SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
El nivel de exposición del operador (AOEL) sistemíco (mg kg-1p.c. días-1) 0.1 A5 SF=100 -
Estudios den la absorción cutánea (%) - - -
Directivo 76/464 Sustancias Peligrosas - - -
Limites de exposiciones - - -
Exposure Routes Public No unacceptable risks to bystanders identified
Occupational No unacceptable risks to operators or other workers identified
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) 0.1 EU Dir 89/778/EC limit; A5 Calc MAC=300 μg l-1 -

Health issues:
Carcinogen Mutágeno Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

Cuestiones generales de la salud humana Harmful if inhaled or swallowed

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Propiedad Click here for information on the parameters used to describe substance handling issues Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with data on handling issues Interpretación Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Not explosive or oxidising
IMDG Transport Code is usually 4.1
CLP classification 2013 Health: H302, H319, H332, H361d
Environment: H400, H410
CEE clasificación de riesgos Click here to view information omn the EU risk phrases Reproduction risk category 3: R63
Xn - Harmful: R20/22
N - Dangerous for the environment: R51, R53
CEE clasificación sin riesgos Click here to view information omn the EU safety phrases S60, S61
Clasificación de OSM II - Peligroso mediano
US EPA Classification (formulation) IV - Caution - Not acutely toxic
Número de las NU Usually 1325
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group II (medium danger)


TRADUCCIONES

for paclobutrazol

Idioma Nombre
Inglés paclobutrazol
Francés paclobutrazol
Alemán Paclobutrazol
Danés paclobutrazol
Italiano paclobutrazolo
Español paclobutrazol
Griego -
Esloveno paklobutrazol
Polaco paklobutrazol
Sueco -
Húngaro paklobutrazol
Holandés paclobutrazool

Última actualización del registro: Thursday 13 September 2018
Contacto: aeru@herts.ac.uk