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tricyclazole (Ref: EL 291)
** tizole ** tricyclazone ** 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 tricyclazole

Description: A fungicide used mainly for prolonged control of rice blast

Example pests controlled: Rice blast

Example applications: Paddy rice

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 1976, Philippenes

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Italy
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

Also used in: Japan, Korea, China, India, Brazil, Colombia

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C9H7N3S
Canonical SMILES CC1=C2C(=CC=C1)SC3=NN=CN23
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) DQJCHOQLCLEDLL-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C9H7N3S/c1-6-3-2-4-7-8(6)12-5-10-11-9(12)13-7/h2-5H,1H3
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Fungicide
Substance group Triazolobenzothiazole
Minimum active substance purity 950 g/kg
Known relevant impurities EU dossier - None declared
Substance origin Synthetic
Mode of action Systemic, absorbed by roots and foliage and translocated, used mainly as a protectant, inhibits melanin biosynthesis
CAS RN 41814-78-2
EC number 255-559-5
CIPAC number 547
US EPA chemical code 120201
PubChem CID 39040
Molecular mass (g mol-1) 189.24
PIN (Preferred Identification Name) 5-methyl[1,2,4]triazolo[3,4-b][1,3]benzothiazole
IUPAC name 5-methyl-1,2,4-triazolo[3,4-b][1,3]benzothiazole
CAS name 5-methyl-1,2,4-triazolo(3,4-b)benzothiazole
Other status information Chemical subject to PIC regulations
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) 16.1
Examples of recorded resistance -
Physical state Peach coloured granular solid
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
  • Dow AgroSciences
Example products using this active
  • Beam
  • Beam Admire
  • Bim
  • Trooper
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Available in a variety of formulations including wettable powders and water soluble bags.


ENVIRONMENTAL FATE

for tricyclazole

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) 596 A5 High
Solubility - In organic solvents at 20oC (mg l-1) 13800 A5 - Acetone -
26500 A5 - Methanol -
4900 A5 - Xylene -
4900 A5 - Ethyl acetate -
Melting point (oC) 185.9 A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) 285.3 A5 -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 2.51 X 1001 Calculated -
Log P 1.4 A5 Low
Bulk density (g ml-1)/Specific gravity 1.4 L3 -
Dissociation constant (pKa) at 25oC Not applicable A5 -
Note: No dissociation
Vapour pressure at 20oC (mPa) 0.027 L3 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 5.86 X 10-07 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 5.34 Calculated High leachability
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 8.68 X 10+00 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) 55.3 A5 at 20oC, 95.2%, 1.2 g l-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) 450 M3 Very persistent
DT50 (lab at 20oC) 795 A4 Very persistent
DT50 (field) 130 E4 Persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note EU dossier 1 Lab study Italy; Manufacturers published data DT50 lab studies range 240-842 days, field studies DT50 47-213 days (E4) Other studies: 21 (DW3)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 10.9 R4 -
Note Published literature RL50 range 7.7-14.0 days, field grown rice, various matrices, n=2
Aqueous photolysis DT50 (days) at pH 7 Value Stable A5 -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable pH 3 to pH 9
Water-sediment DT50 (days) 453 A4 Stable
Water phase only DT50 (days) 92 A4 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 - A5 Moderately mobile
Koc 169
Notes and range koc range 156-177 mL/g
Freundlich Kf 3.1 A5 Moderately mobile
Kfoc 144
1/n 0.75
Notes and range EU dossier kf range 2.21-3.9, Kfoc range 138-150 mL/g, 1/n range 0.737-0.778
pH sensitivity No

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
tricyclazole alcohol - Plant; Animal; Rat (Urinary, Faeces) - -


ECOTOXICOLOGY

for tricyclazole

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) 3.1 Q2 Estimated Low potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 289.7 A5 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 9.6 L2 Rat, 2 year High
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 1528 A5 Anas platyrhynchos Moderate
Birds - Short term dietary (LC50/LD50) > 1528 mg kg bw-1 day-1 A5 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) 7.3 A5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) 0.081 A4 Ictalurus punctutatus Moderate
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 34 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.96 A5 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) 2.2 A5 Chironomus riparius Moderate
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) 8.2 A5 Pseudokirchneriella subcapitata Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 100 A5 Low
Oral acute 48 hour LD50 (μg bee-1) > 88.5 A5 Moderate
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) 250 A5 Eisenia foetida, 56 days Low
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 460 >
A5 Typhlodromus pyri
-
% Effect 5.0 Mortality
Dose: 0.45 kg ha-1
A5 Typhlodromus pyri
-
Other arthropod (2) LR50 g ha-1 450 <
A5 Aphidius rhopalosiphi
-
% Effect 100 Mortality
Dose: 0.45 kg ha-1
A5 Aphidius rhopalosiphi
-
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose: 3.8 mg kg-1 soil, 28 days
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for tricyclazole

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) 289.7 A5 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 E4 Rat -
Mammals - Inhalation LC50 (mg l-1) > 1.15 A5 Rat, 4 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.03 L3 -
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 Negligible risk to bystanders considering intended uses
Occupational -
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 by inhalation and ingestion

: 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
IMDG Transport Code is usually 6.1
CLP classification 2013 Health: H302
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R22
EC Safety Classification Click here to view information omn the EU safety phrases S2
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) II - Warning - Moderately toxic
UN Number Usually 2588
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group II (medium danger)


TRANSLATIONS

for tricyclazole

Language Name
English tricyclazole
French tricyclazole
German Tricyclazol
Danish tricyclazol
Italian triciclazolo
Spanish triciclazol
Greek -
Slovenian triciklazol
Polish tricyklazol
Swedish -
Hungarian -
Dutch tricyclazole

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