gamma-aminobutyric acid
** GABA ** 4-aminobutyric acid ** piperidic acid ** piperidinic acid ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION

Description: A naturally occurring amino acid that demonstrates fungicidal and plant growth regulation properties

Appearance and life cycle: -

Introduction: -

Taxonomic classification: -

EC Directive 1107/2009 (repealing 91/414):
Status Excluded from Annex 1
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires -

Approved for use () or known to be used () in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Known to used in the following countries: -

General status:
Biopesticide type Plant growth regulator, Fungicide
Substance group Plant & animal dervived
Substance origin Natural
Mode of action Via physiological processes
Substance source A naturally occurring aminoacid found in bacteria, plants and animals
Substance production Synthesised for commercial applications
Uses Crop protection
Target pests Powdery mildew and other fungal infections
Target host Wide variety including fruit, vegetable, nuts, lawns/grass, ornamentals
Farming system suitability IPM and organic systems where appropriate national approvals for use exist.
CAS RN 56-12-2
EC number 200-258-6
CIPAC number -
US EPA chemical code 030802
Chemical formula C4H9NO2
SMILES C(C(O)=O)CCN
International Chemical Identifier (InChI) InChI=1/C4H9NO2/c5-3-1-2-4(6)7/h1-3,5H2,(H,6,7)
Structure diagram/image available? Yes
Molecular mass (g mol-1) 103.12
IUPAC Name -
CAS Name γ-aminobutyric acid
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Physical state Powdery solid
Related substances & organisms

Formulations:
Property Product Manufacturer
Example products Auxigro WP Auxein Corporation
Formulation and application details Usually supplied as a wettable powder and applied as a spray, soil drenchor via a suitable irrigation system.


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 1300000 V3 High
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting Point (oC) 195 V3 -
Boiling Point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 6.76 X 10-04 Calculated -
Log P -3.17 V3 Low
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC 4.05 V3 -
Note:
Vapour pressure at 25oC (mPa) - - -
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) - - -
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
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 Value Source/Quality Score/Other Information Interpretation
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF - - -
CT50 (days) - -
Bioaccumulation potential - Calculated Low
Mammals - Acute oral LD50 (mg kg-1) > 5000 L3 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 100 V3 Unknown species, as product Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) - - -
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) - - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees - Acute 48 hour LD50 (µg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50product ha
EC50product ha
NOECproduct ha
% Effect
- - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) > 5000 L3 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 5000 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints Intraperitoneal LD50 = 4950 mg kg-1 V3 Mice -
Intravenous LD50 = 2748 V3 Mice -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public -
Occupational -
Elimination route and rate - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Acetyl cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

-

-

-

-

General human health issues [Toxic by ingestion, skin contact and inhalation]

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

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General [No information available]
EC Risk Classification [Xn - Harmful: R20/21/22], [Xi - Irritant: 36/37/38]
EC Safety Classification S26-S36
WHO Classification NL - Not listed
US EPA Classification (formulation) - - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

Language Name
English gamma-aminobutyric acid
French -
German gamma-Aminobuttersaeure
Danish -
Italian -
Spanish -
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Thursday 22 September 2011
Contact: aeru@herts.ac.uk