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triazophos (Ref: HOE 002960 )
** AE F002960 ** 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 triazophos

Description: An insecticide, nematicide and acaricide for the control of a range of insects in a wide range of crops

Example pests controlled: Aphids; Thrips; Midges; Beetles; Sawflies; Apple suckers; Fruit flies; Spidermites; Scale insects

Example applications: Rice; Fruit trees; Vineyards; Sugarcane; Corn; Tobacco; Potatoes; Ornamentals

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: 1973, first marketed

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Not applicable
EU Candidate for substitution (CfS) Not applicable
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 None
Chemical formula C12H16N3O3PS
Canonical SMILES CCOP(=S)(OCC)OC1=NN(C=N1)C2=CC=CC=C2
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) AMFGTOFWMRQMEM-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C12H16N3O3PS/c1-3-16-19(20,17-4-2)18-12-13-10-15(14-12)11-8-6-5-7-9-11/h5-10H,3-4H2,1-2H3
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Insecticide, Acaricide, Nematicide
Substance group Organophosphate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic, broad spectrum with contact and stomach action. Cholinesterase inhibitor.
CAS RN 24017-47-8
EC number 245-986-5
CIPAC number 353
US EPA chemical code 344600
PubChem CID 32184
Molecular mass (g mol-1) 313.3
PIN (Preferred Identification Name) O,O-diethyl O-(1-phenyl-1H-1,2,4-triazol-3-yl) phosphorothioate
IUPAC name O,O-diethyl O-1-phenyl-1H-1,2,4-triazol-3-yl phosphorothioate
CAS name O,O-diethyl O-(1-phenyl-1H-1,2,4-triazol-3-yl) phosphorothioate
Other status information Marine Pollutant; Chemical subject to PIC regulations
Relevant Environmental Water Quality Standards UK statutory standard for the protection of aquatic life: annual mean conc for inland, coastal and territorial waters; 0.005 ug/L
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 1B
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Bemisia tabaci
Chilo suppressalis
Epiphyas postvittana
Plutella xylostella
Spodoptera littoralis
Spodoptera litura
Physical state Yellow-brown oily liquid
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
  • Sigma-Aldrich
  • Bayer
  • Cheminova
  • Hoechst
Example products using this active
  • Hostac
  • Hostathion
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually supplied as an emulsifiable concentrate, wettable powder, granules or ULV.


ENVIRONMENTAL FATE

for triazophos

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) 35 B5 Low
Solubility - In organic solvents at 20oC (mg l-1) 11100 L3 - n-Hexane -
50000 L3 - Acetone -
500000 L3 - Methanol -
500000 L3 - Ethyl acetate -
Melting point (oC) 2.5 L3 -
Boiling point (oC) Decomposes before boiling L3 -
Degradation point (oC) 140 L3 -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 3.55 X 1003 Calculated -
Log P 3.55 B5 High
Bulk density (g ml-1)/Specific gravity 1.24 B5 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 1.33 B4 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 4.90 X 10-03 V3 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 2.38 Calculated Transition state
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 1.28 X 10-01 Calculated -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Medium
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) 44 B5 Moderately persistent
DT50 (lab at 20oC) 44 B5 Moderately persistent
DT50 (field) 9 L3 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Lab studies DT50 range 20-50 days, field studies DT50 range 7-46 days
Dissipation rate RL50 on plant matrix Value 2.2 R3 -
Note Pepper fruit, n=1
Dissipation rate RL50 on and in plant matrix Value 7.1 R4 -
Note Published literature RL50 range 1.0-11.4 days, 10 field grown crops, various matrices, n=12
Aqueous photolysis DT50 (days) at pH 7 Value 21 V2 Slow
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 140 K4 Persistent
Note -
Water-sediment DT50 (days) 35 K3 Moderately fast
Water phase only DT50 (days) 35 K3 Stable

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 - B5 Moderately mobile
Koc 358
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
1-phenyl-3-hydroxy-1,2,4-triazole - a = Soil; b = Animal (Faecal) a=0.005 -
triazophos oxon - Soil - -
urea - Soil - -


ECOTOXICOLOGY

for triazophos

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) 66 B5 Rat High
Mammals - Short term dietary NOEL (mg kg-1) 1.5 B5 Rat High
(ppm diet) 20 -
Birds - Acute LD50 (mg kg-1) 8.3 B5 Colinus virginianus High
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.038 B5 Oncorhynchus mykiss High
Fish - Chronic 21 day NOEC (mg l-1) 0.0005 Q2 Oncorhynchus mykiss High
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.0026 B5 Daphnia magna High
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.01 Q2 Daphnia magna Moderate
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) 9.1 B5 Scenedemus subspicatus Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 0.1 Q2 Unknown species Moderate
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) 59.8 R4 Moderate
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
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 pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Earthworms - Acute 14 day LC50 (mg kg-1) 466 B5 Eisenia foetida Moderate
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 Harmful AA2 Typhlodromus pyri -
Other arthropod (2) LR50 g ha-1 - - -
% Effect Harmful AA2 Chrysoperla carnea -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for triazophos

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) 66 B5 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 0.53 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.001 JMPR 1993 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.001 JMPR 2003 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.05 UK ACP 1999 -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 List I; List II - -
Exposure Routes Public -
Occupational -
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A3; B0; C0; D0; E0

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Acts as a toxicant to most major organs
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: 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, H312, H331
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases T - Toxic: R23/25
Xn - Harmful: R21
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S1/2, S36/37, S45, S61
WHO Classification Ib - Highly hazardous
UN Number 3018
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for triazophos

Language Name
English triazophos
French triazophos
German Triazophos
Danish triazophos
Italian triazofos
Spanish triazofos
Greek -
Slovenian triazofos
Polish triazofos
Swedish -
Hungarian -
Dutch triazofos

Record last updated: Wednesday 30 May 2018
Contact: aeru@herts.ac.uk