Zineb (Ref: ENT 14874)-Pesticide database

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Zineb (Ref: ENT 14874)

(Also known as: zinebe; metiram-zinc)

Zineb is a protectant fungicide. It has a low aqueous solubility, is relatively volatile and is not expected, based on its physico-chemical propoerties, to leach to groundwater. It is not usually persistent in soil or water systems. Zineb has a low mammalian toxicity however, it may cause adverse reproduction/developement effects if ingested. It is moderately toxic to most fauna and flora.

The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.

Environmental fate	Ecotoxicity	Human health
Environmental fate Moderate alert: Drainflow: Slightly mobile; Potential for particle bound transport: Medium	Ecotoxicity Moderate alert: Fish acute ecotoxicity: Moderate; Daphnia acute ecotoxicity: Moderate; Bees acute contact ecotoxicity: Moderate; Earthworms acute ecotoxicity: Moderate	Human health High alert: Reproduction/development effects

GENERAL INFORMATION

A carbamate fungicide used on edible crops and ornamentals

Example pests controlled

Downy mildew; Foliar diseases; Damping off; Rust; Scab; Anthracnose; Leaf spot & speckle; Early & late blight; Purple blotch

Example applications

Turf; Fruit trees; Ornamentals including carnations, roses, gladioli, snapdragon; Vegetables including beans, carrots, brassicas, eggplant, onions, celery, peppers; Tobacco; Potatoes

Efficacy & activity

Availability status

Introduction & key dates

UK regulatory status

UK COPR regulatory status

Date COPR inclusion expires

UK LERAP status

No UK approval for use

EC Regulation 1107/2009 (repealing 91/414)

EC Regulation 1107/2009 status

Dossier rapporteur/co-rapporteur

Date EC 1107/2009 inclusion expires

EU Candidate for substitution (CfS)

Listed in EU database

Approved for use (✓) under EC 1107/2009 in the following EU Member States

ATAustria	BEBelgium	BGBulgaria	CYCyprus	CZCzech Republic	DEGermany	DKDenmark	EEEstonia	ELGreece

ESSpain	FIFinland	FRFrance	HRCroatia	HUHungary	IEIreland	ITItaly	LTLithuania	LULuxembourg

LVLatvia	MTMalta	NLNetherlands	PLPoland	PTPortugal	RORomania	SESweden	SISlovenia	SKSlovakia

Approved for use (✓) under EC 1107/2009 by Mutual Recognition of Authorisation and/or national regulations in the following EEA countries

ISIceland	NONorway

Additional information

Chemical structure

Chemical formula

C₄H₆N₂S₄Zn

Canonical SMILES

C(CNC(=S)[S-])NC(=S)[S-].[Zn+2]

Isomeric SMILES

International Chemical Identifier key (InChIKey)

AMHNZOICSMBGDH-UHFFFAOYSA-L

International Chemical Identifier (InChI)

InChI=1S/C4H8N2S4.Zn/c7-3(8)5-1-2-6-4(9)10;/h1-2H2,(H2,5,7,8)(H2,6,9,10);/q;+2/p-2

2D structure diagram/image available?

Substance groups

Carbamate fungicide; Organometal fungicide; Organozinc fungicide; Dithiocarbamate fungicide

Minimum active substance purity

Known relevant impurities

Substance origin

Non-specific with protective action. Multi-site activity.

US EPA chemical code

CLP index number

PIN (Preferred Identification Name)

zinc ethylenebis(dithiocarbamate) (polymeric)

zinc ethylenebis(dithiocarbamate) (polymeric)

((2-((dithiocarboxy)amino)ethyl)carbamodithioato))(2-)-kS,kS')zinc

Other status information

Chemical subject to PIC regulations

Relevant Environmental Water Quality Standards

Herbicide Resistance Classification (HRAC)

Herbicide Resistance Classification (WSSA)

Insecticide Resistance Classification (IRAC)

Fungicide Resistance Classification (FRAC)

Examples of recorded resistance

Greyish white powder

Example manufacturers & suppliers of products using this active now or historically

Bayer CropScience
AgroCare
King Tech Corp
Du Pont
FMC
Rohm & Haas

Example products using this active

Azzurro
Bianco
Zinforce
Cuprothex
Super Mixy
Dithane Z 78
Phytox

Formulation and application details

Usually supplied as a wettable powder or dust

ENVIRONMENTAL FATE

Source; quality score; and other information

Solubility - In water at 20 °C (mg l⁻¹)

K4 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here )
4 = Verified data

Solubility - In organic solvents at 20 °C (mg l⁻¹)

Melting point (°C)

Decomposes before melting

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Boiling point (°C)

Decomposes before boiling

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Degradation point (°C)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Flashpoint (°C)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Octanol-water partition coefficient at pH 7, 20 °C

G4 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here )
4 = Verified data

Fat solubility of residues

Density (g ml⁻¹)

Dissociation constant pKa) at 25 °C

R3 R = Peer reviewed scientific publications
3 = Unverified data of known source

No dissociation

Vapour pressure at 20 °C (mPa)

G4 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here )
4 = Verified data

Henry's law constant at 25 °C (Pa m³ mol⁻¹)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Maximum UV-vis absorption L mol⁻¹ cm⁻¹

Surface tension (mN m⁻¹)

Source; quality score; and other information

General biodegradability

Soil degradation (days) (aerobic)

DT₅₀ (typical)

M4 M = GLEAMS Model database (Groundwater Loading Effects of Agricultural Management Systems). Dataset no longer available.
4 = Verified data

Moderately persistent

DT₅₀ (lab at 20 °C)

DT₅₀ (field)

AC3 AC = EC Joint Research Centre ESIS European Chemical Substance Information Systems including EINECS, now integrated with the database provided by the European Chemicals Agency (ECHA) (click here )
3 = Unverified data of known source

DT₉₀ (lab at 20 °C)

DT₉₀ (field)

DT₅₀ modelling endpoint

IUCLID datasheet field studies DT₅₀ 16-23 days

Dissipation rate RL₅₀ on plant matrix

R4 R = Peer reviewed scientific publications
4 = Verified data

Published literature RL₅₀ range 2.42-25.7 days, various field-grown crops/matrices, n=11

Dissipation rate RL₅₀ on and in plant matrix

R3 R = Peer reviewed scientific publications
3 = Unverified data of known source

Asparagus, whole plant, n=1

Aqueous photolysis DT₅₀ (days) at pH 7

Q2 Q = Miscellaneous data from online sources
2 = Unverified data of unknown source

Aqueous hydrolysis DT₅₀ (days) at 20 °C and pH 7

K4 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here )
4 = Verified data

Water-sediment DT₅₀ (days)

K4 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here )
4 = Verified data

Moderately fast

Water phase only DT₅₀ (days)

Soil adsorption and mobility

Source; quality score; and other information

G4 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here )
4 = Verified data

Slightly mobile

Notes and range

Notes and range

Source; quality score; and other information

GUS leaching potential index

Low leachability

SCI-GROW groundwater index (μg l⁻¹) for a 1 kg ha⁻¹ or 1 l ha⁻¹ application rate

Potential for particle bound transport index

Potential for loss via drain flow

Slightly mobile

Bio-concentration factor

BCF (l kg⁻¹)

P4 P = Other non-EU, UK or US Governments and Regulators
4 = Verified data

CT₅₀ (days)

Known metabolites

None

Terrestrial ecotoxicology

Source; quality score; and other information

Mammals - Acute oral LD₅₀ (mg kg⁻¹)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Mammals - Short term dietary NOEL

Mammals - Chronic 21d NOAEL (mg kg⁻¹ bw d⁻¹)

Birds - Acute LD₅₀ (mg kg⁻¹)

G4 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here )
4 = Verified data

Anas platyrhynchos

Birds - Short term dietary (LC₅₀/LD₅₀)

Birds - Chronic 21d NOEL (mg kg⁻¹ bw d⁻¹)

Earthworms - Acute 14 day LC₅₀ (mg kg⁻¹)

Q3 Q = Miscellaneous data from online sources
3 = Unverified data of known source

Earthworms - Chronic NOEC, reproduction (mg kg⁻¹)

Soil micro-organisms

Acute LC₅₀ (mg kg⁻¹)

Chronic NOEC (mg kg⁻¹)

Non-target plants

Honeybees (Apis spp.)

Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

K3 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here )
3 = Unverified data of known source

Apis mellifera

Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

K3 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here )
3 = Unverified data of known source

Apis mellifera

Unknown mode acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

Bumblebees (Bombus spp.)

Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

Mason bees (Osmia spp.)

Contact acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

Oral acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg bee⁻¹)

Other bee species (1)

Acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg insect⁻¹)

Mode of exposure

Other bee species (2)

Acute LD₅₀ (worst case from 24, 48 and 72 hour values - μg insect⁻¹)

Mode of exposure

Beneficial insects (Ladybirds)

Beneficial insects (Lacewings)

Beneficial insects (Parasitic wasps)

Beneficial insects (Predatory mites)

Q2 Q = Miscellaneous data from online sources
2 = Unverified data of unknown source

Typhlodromus pyri

Beneficial insects (Ground beetles)

Aquatic ecotoxicology

Source; quality score; and other information

Fish - Acute 96 hour LC₅₀ (mg l⁻¹)

F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment )
3 = Unverified data of known source

Oncorhynchus mykiss

Fish - Chronic 21 day NOEC (mg l⁻¹)

Aquatic invertebrates - Acute 48 hour EC₅₀ (mg l⁻¹)

J4 J = Pesticide Action Network database (click here )
4 = Verified data

Daphnia magna

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)

F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment )
4 = Verified data

Scenedesmus acutus

Algae - Chronic 96 hour NOEC, growth (mg l⁻¹)

P3 P = Other non-EU, UK or US Governments and Regulators
3 = Unverified data of known source

Scenedesmus quadricauda biomass

Mesocosm study data

NOEAEC mg l⁻¹

NOEAEC mg l⁻¹

HUMAN HEALTH AND PROTECTION

Source; quality score; and other information

Threshold of Toxicological Concern (Cramer Class)

High (class III)

Mammals - Acute oral LD₅₀ (mg kg⁻¹)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Mammals - Dermal LD₅₀ (mg kg⁻¹ body weight)

L3 L = Pesticide manuals and hard copy reference books / other sources
3 = Unverified data of known source

Mammals - Inhalation LC₅₀ (mg l⁻¹)

AC4 AC = EC Joint Research Centre ESIS European Chemical Substance Information Systems including EINECS, now integrated with the database provided by the European Chemicals Agency (ECHA) (click here )
4 = Verified data

Other Mammal toxicity endpoints

ADI - Acceptable Daily Intake (mg kg⁻¹ bw day⁻¹)

A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications )
5 = Verified data used for regulatory purposes

ARfD - Acute Reference Dose (mg kg⁻¹ bw day⁻¹)

AAOEL - Acute Acceptable Operator Exposure Level (mg kg⁻¹ bw day⁻¹)

AOEL - Acceptable Operator Exposure Level - Systemic (mg kg⁻¹ bw day⁻¹)

Dermal penetration studies (%)

Dangerous Substances Directive 76/464

Exposure Routes

EU MRL pesticide database

GB MRL Register

Drinking Water Standards

Drinking Water MAC (μg l⁻¹)

Mammalian dose elimination route and rate

Specific human health issues

Endocrine disruptor

?Possibly, status not identified

A3 A = Chromosome aberration (EFSA database)
3 = Negative

B0 B = DNA damage/repair (EFSA database)
0 = No data

C0 C = Gene mutation (EFSA database)
0 = No data

D0 D = Genome mutation (EFSA database)
0 = No data

E2 E = Unspecified genotoxicity type (miscellaneous data source)
2 = Mixed/ambiguous results

?Possibly, status not identified

Reproduction / development effects

Acetyl cholinesterase inhibitor

✓Yes, known to cause a problem

Respiratory tract irritant

Skin sensitiser

✓Yes, known to cause a problem

✓Yes, known to cause a problem

?Possibly, status not identified

✓Yes, known to cause a problem

General human health issues

Thyroid, liver & kidney toxicant
IARC Group 3 carcinogen

Handling issues

Value and interpretation

IMDG Transport Hazard Class 6,1

CLP classification 2013

Health: H317, H335

WHO Classification

U (Unlikely to present an acute hazard)

Waste disposal & packaging

Shelf-life, storage, stability and reactivity

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