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

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: A fungicide and acaricide used against red spider mites and powdery mildew

Introduction: circa 1958

EC Directive 1107/2009 (repealing 91/414):

Status	Excluded from Annex 1
Dossier rapporteur/co-rapporteur	-
Date inclusion expires	Essential use only

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

General status:

Pesticide type	Fungicide, Acaricide
Substance group	Dinitrophenol
Substance origin	Synthetic
Mode of action	Non-systemic, rapid contact action
CAS RN	973-21-7
EC number	213-546-1
CIPAC number	223
US EPA chemical code	228700
Chemical formula	C14H18N2O7
SMILES	O=C(Oc1c(cc(cc1C(C)CC)[N+]([O-])=O)[N+]([O-])=O)OC(C)C
International Chemical Identifier (InChI)	InChI=1/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
Molecular mass (g mol-1)	326.30
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
Herbicide Resistance Classification (HRAC)	Not applicable
Insecticide Resistance Classification (IRAC)	Not known
Fungicide Resistance Classification (FRAC)	Not known
Physical state	Pale yellow crystals
Related substances & organisms	tetradifon

Formulations:

Property	Value
Example manufacturers of products using this active	-
Example products using this active	Acrex
UK LERAP status	No UK approval for use or outside scope
Formulation and application details	Often supplied as an emulsifiable liquid or a concentrate in an aromatic solvent.

ENVIRONMENTAL FATE

Property		Value	Source/Quality Score/Other Information	Interpretation
Solubility - In water at 20oC (mg l-1)		3.97	V3 - @ 25 DegC	Low
Solubility - In organic solvents at 20oC (mg l-1)		-	-	-
Melting Point (oC)		61.5	L3	-
Boiling Point (oC)		-	-	-
Degradation point (oC)		-	-	-
Flashpoint (oC)		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 25oC (mPa)		1	L3	Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1)		1.64 X 10-03	V3	Non-volatile
Henry's law constant at 20oC (dimensionless)		3.37 X 10-05	Calculated	Volatile
GUS leaching potential index		-	-	-
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate	Value	-	-	-
	Note	-
Potential for particle bound transport index		-	-	-
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	-	Q2	Non-mobile
	Koc	4944
	Notes and range	Estimated
Freundlich	Kf	-	-	-
	Kfoc	-
	1/n	-
	Notes and range	-
pH sensitivity		-

ECOTOXICOLOGY

Property		Value	Source/Quality Score/Other Information	Interpretation
Bio-concentration factor	BCF	300	Q2 Estimated	Threshold for concern
	CT50 (days)	Not available		-
Bioaccumulation potential		-	Calculated	Moderate
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)		-	-	-
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)		140	L3 Rat	Moderate
Mammals - Dermal LD50 (mg kg-1 body weight)		> 3200	L3 Rabbit	-
Mammals - Inhalation LC50 (mg l-1)		-	-	-
Other Mammal toxicity endpoints		-		-
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	[Toxic by inhalation and ingestion]
Examples of European MRLs (mg kg-1)	Value	-
	Note	For the EU pesticides database click here
Drinking Water MAC (µg l-1)		-	-	-

Health issues:

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

Handling issues:

Property		Value	Source/Quality Score/Other Information	Interpretation
General		[No information available]
EC Risk Classification		[T - Toxic: R25], [N - Dangerous for the environment: R50, R53]
EC Safety Classification		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		-

TRANSLATIONS