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tridemorph (Ref: BAS 2205-F)
** morpholine ** calixin ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION
for tridemorph

Description: A fungicide used to control the fungus Erysiphe graminis in cereals and a range of other diseases

Introduction: 1969, Germany

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur -
Date inclusion expires Expired

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

Also registered in: Australia

General status:
Pesticide type Fungicide
Substance group Morpholine
Substance origin Synthetic
Mode of action Systemic with eradicant action, absorbed by leaves and shoots, some protectant properties. Disrupts membrane function.
CAS RN 81412-43-3
Alternative/old CAS RN 24602-86-6
EC number 246-347-3
CIPAC number 324
US EPA chemical code 121401
Chiral molecule Chiral or specific isomer of chiral molecule
Chemical formula C19H39NO
SMILES O1C(CN(CCCCCCCCCCCCC)CC1C)C
International Chemical Identifier (InChI) InChI=1/C19H39NO/c1-4-5-6-7-8-9-10-11-12-13-14-15-20-16-18(2)21-19(3)17-20/h18-19H,4-17H2,1-3H3
Structure diagram/image available? Yes
Molecular mass (g mol-1) 297.52
PIN (Preferred Identification Name) for major component is (2?,6?)-2,6-dimethyl-4-tridecylmorpholine
IUPAC name reaction mixture of 4-alkyl-2,6-dimethylmorpholines, where “alkyl” is mixture of C11–C14 homologues of which 60–70% is tridecyl
CAS name tridemorph
Other status information OSPAR soc
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) 5
Physical state Yellow oily liquid
Related substances & organisms -

Formulations:
Property Value
Example manufacturers & suppliers of products using this active
  • BASF
Example products using this active
  • Calixin
  • Ferlixin
  • Frog
UK LERAP status No UK approval for use or outside scope
Formulation and application details Usually supplied as an emulsifiable concentrate.


ENVIRONMENTAL FATE

for tridemorph

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 1.1 L3 Low
Solubility - In organic solvents at 20oC (mg l-1) Miscible L3 - Ethanol -
Miscible L3 - Acetone -
Miscible L3 - Ethyl acetate -
Miscible L3 - Benzene -
Melting point (oC) Not applicable L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.58 X 1004 Calculated -
Log P 4.2 L3 High
Bulk density (g ml-1)/Specific gravity 0.86 L3 -
Dissociation constant (pKa) at 25oC 6.5 L3 -
Note: Weak acid
Vapour pressure at 25oC (mPa) 12 L3 Intermediate state
Henry's law constant at 25oC (Pa m3 mol-1) 3.20 L3 Moderately volatile
Henry's law constant at 20oC (dimensionless) 4.90 X 10-04 K3 Volatile
GUS leaching potential index 0.28 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 7.82 X 10-03 Calculated -
Note -
Potential for particle bound transport index - Calculated Medium
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) 24 L3 Non-persistent
DT50 (lab at 20oC) 35 L3 Moderately persistent
DT50 (field) 24 L3 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Lab studies DT50 range 20-50 days, field studies DT50range 14-34 days
Aqueous photolysis DT50 (days) at pH 7 Value 0.7 K3 Fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 32 K4 Moderately persistent
Note -
Water-sediment DT50 (days) 60 Q2 Moderately fast
Water phase only DT50 (days) 26 Q2 Slow

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - L3 Non-mobile
Koc 6250
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for tridemorph

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF 741 Q2 Estimated Threshold for concern
CT50 (days) Not available -
Bioaccumulation potential - Calculated Moderate
Mammals - Acute oral LD50 (mg kg-1) 500 B5 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 5 B5 Rat High
(ppm diet) 50 -
Birds - Acute LD50 (mg kg-1) 1388 L3 Phasianidae Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 3.4 L3 Salmonidae Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 1.3 L3 Daphnia magna Moderate
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) 0.28 L2 Unknown species Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 0.015 Q2 Unknown species Moderate
Honeybees - Acute 48 hour LD50 (μg bee-1) 200 L2 Unknown mode Low
Earthworms - Acute 14 day LC50 (mg kg-1) 880 L3 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 Harmless Dose: 300 g ha-1
AA3 Typhlodromus pyri
Harmless
% Effect - - -
Other arthropod (2) LR50 g ha-1 Harmless Dose: 300 g ha-1
AA3 Cheiracanthium mildei
Harmless
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for tridemorph

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) 500 B5 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 4000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 4.5 L3 Rat, 4 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.016 L3 -
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 -
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 Cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

-

-

General human health issues Moderately toxic
May cause dermatitis or conjunctivitis

: 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
CLP classification 2013 -
EC Risk Classification Reproduction risk category 2: R61
Xn - Harmful: R20/22
Xi - Irritant: R38
N - Dangerous for the environment: R50, R53
EC Safety Classification S45, S53, S60, S61
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number -
Waste disposal & packaging -


TRANSLATIONS

for tridemorph

Language Name
English tridemorph
French tridemorphe
German Tridemorph
Danish tridemorph
Italian tridemorf
Spanish tridemorf
Greek -
Slovenian tridemorf
Polish tridemorf
Swedish -
Hungarian tridemorf
Dutch tridemorf

Record last updated: Friday 01 August 2014
Contact: aeru@herts.ac.uk