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dinobuton (Ref: OMS 1056)
** ENT 27244 ** MC 1053 ** dinofen ** UC 19786 ** Translations

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

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

Description: A dinitrophenol acaricide and fungicide used mainly on fruit and vegetables

Example pests controlled: Red spider mites; Powdery mildew

Example applications: Apples; Cucumber; Aubergine; Hops; Tomatoes; Vines; Pome fruit

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: 1960, developed in UK

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Expired
EU Candidate for substitution (CfS) -
Listed in EU database Yes

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

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism A chiral molecule existing in the R- and S-forms
Chemical formula C14H18N2O7
Canonical SMILES CCC(C)C1=CC(=CC(=C1OC(=O)OC(C)C)[N+](=O)[O-])[N+](=O)[O-]
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) HDWLUGYOLUHEMN-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C14H18N2O7/c1-5-9(4)11-6-10(15(18)19)7-12(16(20)21)13(11)23-14(17)22-8(2)3/h6-9H,5H2,1-4H3
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Acaricide, Fungicide
Substance group Dinitrophenol
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic, rapid contact action. Uncoupler of oxidative phosphorylation via disruption of proton gradient.
CAS RN 973-21-7
EC number 213-546-1
CIPAC number 223
US EPA chemical code 228700
PubChem CID 13783
Molecular mass (g mol-1) 326.30
PIN (Preferred Identification Name) rac-2-[(2R)-butan-2-yl]-4,6-dinitrophenyl propan-2-yl carbonate
IUPAC name (RS)-2-sec-butyl-4,6-dinitrophenyl isopropyl carbonate
CAS name 1-methylethyl 2-(1-methylpropyl)-4,6-dinitrophenyl carbonate
Other status information Marine Pollutant; Phytotoxic to some crops including seedling cherries, blackcurrant
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not known
Fungicide Resistance Classification (FRAC) Not known
Examples of recorded resistance -
Physical state Pale yellow crystals
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 -
Example products using this active
  • Acrex
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Often supplied as an emulsifiable liquid or a concentrate in an aromatic solvent.


ENVIRONMENTAL FATE

for dinobuton

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) 3.97 V3 - @ 25 DegC Low
Solubility - In organic solvents at 20oC (mg l-1) 1200000 L3 - Acetone -
83000 L3 - Ethanol -
89000 L3 - Xylene -
19000 L3 - n-Hexane -
Melting point (oC) 61.5 L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) Not expected to self ignite; Not highly flammable L3 -
Octanol-water partition coefficient at pH 7, 20oC P 8.71 X 1003 Calculated -
Log P 3.94 V3 High
Bulk density (g ml-1)/Specific gravity 0.9 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 1 L3 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 1.64 X 10-03 V3 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 - - -
Surface tension (mN m-1) - - -

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
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) - - -
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note: -
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 2.8 R3 -
Note Green bean leaves, undercover, n=1
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 - Q2 Non-mobile
Koc 4944
Notes and range Estimated
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for dinobuton

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) 300 Q2 Estimated Threshold for concern
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 140 L3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 4.5 L1 Rat High
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) 150 L2 Gallus gallus Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.014 F4 Oncorhynchus mykiss High
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) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) - - -
Oral acute 48 hour LD50 (μg bee-1) - - -
Unknown mode acute 48 hour LD50 (μg bee-1) > 50 Q3 Moderate
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
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 - - -
% 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

for dinobuton

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) 140 L3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 3200 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 0.08 L3 Rat, 4 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw 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 Toxic by inhalation and ingestion
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
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 Moderately toxic

: 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 No information available
CLP classification 2013 Health: H301
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases T - Toxic: R25
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S1/2, S37, S45, S60, S61
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number 2799
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for dinobuton

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

Record last updated: Wednesday 23 May 2018
Contact: aeru@herts.ac.uk