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zinc phosphide
** zincphos ** zinc diphosphide ** 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 zinc phosphide

Description: Used in bait products for the control of rodents in a variety of situations

Example pests controlled: Rats - Norway and roof; Mice; Pocket gophers; Meadow voles

Example applications: Agricultural crops; Vegetables; Ornamentals; Orchards; Crop storage.

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 1947, first registered USA.

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Austria/Germany
Date inclusion expires 31/04/2021
EU Candidate for substitution (CfS) No
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 -
Chemical formula Zn3P2
Canonical SMILES P=[Zn].P=[Zn].[Zn]
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) HOKBIQDJCNTWST-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/2P.3Zn
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Rodenticide
Substance group Unclassified
Minimum active substance purity >800 g/kg
Known relevant impurities EU dossier - none declared
Substance origin Synthetic
Mode of action Toxicity caused by the production of phosphine under acid conditions in the rodents stomach. Phosphine, a nerve toxin, has respiratory action, mitochondrial complex IV electron transport inhibitor
CAS RN 1314-84-7
EC number 215-244-5
CIPAC number 69
US EPA chemical code 088601
PubChem CID 25113606
Molecular mass (g mol-1) 258.1
PIN (Preferred Identification Name) -
IUPAC name trizinc diphosphide
CAS name zinc phosphide
Other status information PAN listed Highly Hazardous Chemical
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 -
Physical state Grey-black coloured powder with strong characteristic odour
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
  • Arrex E Köder
  • Blue-Ox
  • Zinc-Tox
  • Gopha-Rid
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually formulated as bait or tracking powder.


ENVIRONMENTAL FATE

for zinc phosphide

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) 0.0014 A5 Low
Solubility - In organic solvents at 20oC (mg l-1) 500 A4 - n-Heptane -
500 A4 - Xylene -
500 A4 - Methanol -
500 A4 - Acetone -
Melting point (oC) 500 A3 -
Boiling point (oC) 500 A3 -
Degradation point (oC) 500 A3 -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A4 -
Octanol-water partition coefficient at pH 7, 20oC P - - -
Log P - - -
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 6.5 X 10-06 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) - - -
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) 72.8 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
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 10.95 A4 Non-persistent
DT50 (lab at 20oC) 10.95 A4 Non-persistent
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note EU dossier lab studies DT50 range 7.8-14.1 days
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable at pH 5 to 9 and 20 DegC, at pH4 DT50 = 38 days
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 -

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
phosphine This metabolite may cause environmental pollution, click here for further information Soil   1.00   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
hypophosphite - Mammals (urinary); Animals - -
phosphite - Mammals (urinary); Animals - -
phosphonic acid - Air (photo-oxidation) - -
phosphoric acid - Air (photo-oxidation) - -


ECOTOXICOLOGY

for zinc phosphide

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) - - -
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 12 A5 Rat High
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) 12.9 A5 Colinus virginianus High
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) > 21.7 A4 Leuciscus idus Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 114 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) 0.0038 A5 Desmodesmus subspicatus High
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) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1000 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 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose = 240 g ha-1, 28 days
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for zinc phosphide

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) 12 A5 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) 1000 A3 Rat -
Mammals - Inhalation LC50 (mg l-1) > 11 A5 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.042 A5 Rat, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.073 A5 Rat, SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.042 A5 Rat, SF=100 -
Dermal penetration studies (%) 10 A3 default -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public Negligible risk for bystanders
Occupational Acceptable risk for workers
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 Highly toxic in phosphine form
May be fatal if swallowed

: 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 Not explosive or oxidising
Contact with acids liberates very toxic gas
Moisture Sensitive
CLP classification 2013 -
EC Risk Classification Click here to view information omn the EU risk phrases T - Toxic: R28
H - Handling risks: R15/29, R32
N - Dangerous for the environment: R50/53
EC Safety Classification Click here to view information omn the EU safety phrases S28, S30, S36/37, S43, S60, S61
WHO Classification Ib - Highly hazardous
US EPA Classification (formulation) - -
UN Number 1714
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for zinc phosphide

Language Name
English zinc phosphide
French phosphure de zinc
German Zinkphosphid
Danish -
Italian zinco (fosfuro di)
Spanish -
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch zinkfosfide

Record last updated: Thursday 23 August 2018
Contact: aeru@herts.ac.uk