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gibberellins
** giberelline ** gibberellins - GA4/GA7 ** gibberellic acid 4 plus 7 ** GA4+7 ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home
Further data may be found in the BPDB

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for gibberellins

Description: Plant hormones that regulate growth and influence various developmental processes including stem elongation, germination, dormancy and flowering

Example pests controlled: -

Example applications: -

Availability status: Current

Introduction & key dates: circa 1926

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Hungary
Date inclusion expires 31/08/2019

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

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Plant growth regulator
Substance group Diterpenoid acids - mixture of GA4 and GA7
Minimum active substance purity -
Known relevant impurities -
Substance origin Natural
Mode of action Regulates protein synthesis and stimulates cell elongation.
CAS RN 468-44-0
Alternative/old CAS RN 510-75-8 / mixture 8030-53-3
EC number -
CIPAC number 904
US EPA chemical code 043801
Chiral molecule Chiral, a specific isomer or a derivative of a chiral molecule
Chemical formula C19H24O5 / C19H22O5
SMILES C1C[C@H]2[C@]34CC[C@@H]([C@@](C)([C@H]3[C@@H]([C@@]32CC([C@@H]1C3)=C)C(=O)O)C(O4)=O)O
International Chemical Identifier key (InChIKey) RSQSQJNRHICNNH-AMNRFOROSA-N
International Chemical Identifier (InChI) InChl=1S/C19H24O5/c1-9-7-18-8-10(9)3-4-11(18)19-6-5-12(20)17(2,16(23)24-19)14(19)13(18)15(21)22/h10-14,20H,1,3-8H2,2H3,(H,21,22)/t10?,11-,12+,13-,14-,17-,18+,19-/m1/s1
Structure diagram/image available? Yes
Molecular mass (g mol-1) 331.4 (mean)
PIN (Preferred Identification Name) -
IUPAC name (3S,3aR,4S,4aR,7R,9aR,9bR,12S)-12-hydroxy-3-methyl-6-methylene-2-oxoperhydro-4a,7-methano-3,9b-propanoazuleno[1,2-b]furan-4-carboxylic acid + (3S,3aR,4S,4aR,7R,9aR,9bR,12S)-12-hydroxy-3-methyl-6-methylene-2-oxoperhydro-4a,7-methano-9b,3-propenoazuleno[1,2-b]furan-4-carboxylic acid
CAS name (1α,2β,4αβ,4bβ,10β)-2,4a-dihydroxy-1-methyl-8-methylenegibbane-1,10-dicarboxylic acid 1,4a-lactone + (1α,2β,4αβ,4bβ,10β)-2,4a-dihydroxy-1-methyl-8-methylenegibb-3-ene-1,10-dicarboxylic acid 1,4a-lactone
Other status information -
Herbicide Resistance Classification (HRAC) Not known
Herbicide Resistance Classification (WSSA) -
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance None identified
Physical state White crystalline solid
Related substances & organisms

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically
  • Fine Agrochemicals
  • Globachem NV
  • Valent Biosciences Ltd.
  • Interfam
Example products using this active
  • Gibb Plus
  • Novagib
  • Regulex 10 SG
  • Gistar
  • Berelex
  • Gibb3
UK LERAP status None (may vary with mixtures)
Formulation and application details Available in a variety of formulations including tablets and soluble granules.


ENVIRONMENTAL FATE

for gibberellins

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 40000 A5 High
Solubility - In organic solvents at 20oC (mg l-1) 0.5 A5 - n-Heptane -
78.9 A5 - Xylene -
250000 A5 - Methanol -
250000 A5 - Acetone -
Melting point (oC) 205 A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) >210 A5 -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.40 X 1000 Calculated -
Log P 0.146 A5 Low
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC 4.30 A5 -
Note:
Vapour pressure at 25oC (mPa) 7.68 X 10-03 A5 Volatile
Henry's law constant at 25oC (Pa m3 mol-1) 2.0 X 10-05 A5 Non-volatile
Henry's law constant at 20oC (dimensionless) 2.61 X 10-11 Calculated Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index - - -
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 Value - - -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - - -
Maximum UV-vis absorption L mol-1 cm-1 Absorbs below 250nm, no maxima above 210nm A5 -
Surface tension (mN m-1) 64.0 A5 -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
Soil degradation (days) (aerobic) DT50 (typical) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note: -
Plant matrix DT50 (days) Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for gibberellins

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) Low risk A4 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 2250 A5 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 100 A5 Oncorhynchus mykiss Low
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 100 A5 Daphnia magna Low
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) > 100 A5 Pseudokirchneriella subcapitata Low
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 25 E3 Moderate
Oral acute 48 hour LD50 (μg bee-1) - - -
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1250 A5 Eisenia foetida Low
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 40.0 > as Mortality
A5 Aphidius rhopalosiphi
-
% Effect - - -
Other arthropod (2) LR50 g ha-1 40.0 > as Mortality
A5 Typhlodromus pyri
-
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for gibberellins

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation 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) - -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) > 2.98 A5 Rat, 4 hr (nose only) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.3 A5 Rat, SF=1000 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) None allocated A5 -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.18 A5 Rat, SF=54, corrected for low absorption -
Dermal penetration studies (%) 18 A3 product -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public Low risk to bystanders
Occupational Low risk to operators and other farm workers
European MRLs Click here for the EU MRL pesticide database
Drinking Water MAC (μg l-1) - - -

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

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues No information available

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

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation 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 Avoid generation of dust
Not explosive or oxidising
CLP classification 2013 -
EC Risk Classification Click here to view information omn the EU risk phrases None allocated at this time
EC Safety Classification Click here to view information omn the EU safety phrases S2, S13, S20/21, S35, S36/37, S49
WHO Classification III - Slightly hazardous
US EPA Classification (formulation) - -
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for gibberellins

Language Name
English gibberellins
French -
German -
Danish -
Italian -
Spanish -
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Tuesday 01 March 2016
Contact: aeru@herts.ac.uk