| nitenpyram (Ref: CGA 246916) |
 |
Environmental Fate - Ecotoxicology - Human Health
- A to Z Index - Home
Further data may be found in the VSDB
GENERAL INFORMATION 
for nitenpyram
Description: An insecticide used mainly to kill external parasites in livestock and domestic pets buts also used to control sucking insects on rice and in greenhouse crops
Introduction: 1989 discovered, 1995 launched
EC Regulation 1107/2009 (repealing 91/414):
| Status | Not approved |
| Dossier rapporteur/co-rapporteur | Not applicable |
| Date inclusion expires | Never notified |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
General status:
| Pesticide type | Insecticide, Veterinary substance | |||
| Substance group | Neonicotinoid | |||
| Substance origin | Synthetic | |||
| Mode of action | Systemic with translaminar activity, stomach and contact action affecting insects nervous system. No long term activity. Acetylcholine receptor (nAChR) agonist. | |||
| CAS RN | 150824-47-8 | |||
| EC number | - | |||
| CIPAC number | - | |||
| US EPA chemical code | - | |||
| Chiral molecule | No | |||
| Chemical formula | C11H15ClN4O2 | |||
| SMILES | C(\[N+]([O-])=O)=C(\N(Cc1cnc(cc1)Cl)CC)NC | |||
| International Chemical Identifier key (InChIKey) | CFRPSFYHXJZSBI-DHZHZOJOSA-N | |||
| International Chemical Identifier (InChI) | InChI=1S/C11H15ClN4O2/c1-3-15(11(13-2)8-16(17)18)7-9-4-5-10(12)14-6-9/h4-6,8,13H,3,7H2,1-2H3/b11-8+ | |||
| Structure diagram/image available? | Yes | |||
| Molecular mass (g mol-1) | 270.72 | |||
| PIN (Preferred Identification Name) | (1E)-N-[(6-chloropyridin-3-yl)methyl]-N-ethyl-N'-methyl-2-nitroethene-1,1-diamine | |||
| IUPAC name | (E)-N-(6-chloro-3-pyridylmethyl)-N-ethyl-N'-methyl-2-nitrovinylidenediamine | |||
| CAS name | (1E)-N-[(6-chloro-3-pyridinyl)methyl]-N-ethyl-N'-methyl-2-nitro-1,1-ethenediamine | |||
| Other status information | - | |||
| Herbicide Resistance Classification (HRAC) | Not applicable | |||
| Herbicide Resistance Classification (WSSA) | Not applicable | |||
| Insecticide Resistance Classification (IRAC) | 4C | |||
| Fungicide Resistance Classification (FRAC) | Not applicable | |||
| Physical state | Pale yellow crystalline solid | |||
| Related substances & organisms | - | |||
Formulations:
| Property |
Value | |||
| Example manufacturers & suppliers of products using this active |
|
|||
| Example products using this active |
|
|||
| UK LERAP status | No UK approval for use or outside scope | |||
| Formulation and application details | Usually supplied as a dusting powder, granules, drops and impregnated collars for topical use and as tablets for oral treatments. | |||
ENVIRONMENTAL FATE
for nitenpyram
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Solubility - In water at 20oC (mg l-1) | 590000 | L3 | High | |
| Solubility - In organic solvents at 20oC (mg l-1) | 1000000 | L3 - Methanol | - | |
| 700000 | L3 - Chloroform | - | ||
| 290000 | L3 - Acetone | - | ||
| 4500 | L3 - Xylene | - | ||
| Melting point (oC) | 82 | L3 | - | |
| Boiling point (oC) | - | - | - | |
| Degradation point (oC) | - | - | - | |
| Flashpoint (oC) | - | - | - | |
| Octanol-water partition coefficient at pH 7, 20oC | P | 2.19 X 10-01 | Calculated | - |
| Log P | -0.66 | L3 - @ 25 degC | Low | |
| Bulk density (g ml-1)/Specific gravity | 1.4 | L2 | - | |
| Dissociation constant (pKa) at 25oC | 3.1 | L3 | - | |
| Note: | ||||
| Vapour pressure at 25oC (mPa) | 0.0011 | L3 | Non-volatile | |
| Henry's law constant at 25oC (Pa m3 mol-1) | 3.54 X 10-13 | L3 | Non-volatile | |
| Henry's law constant at 20oC (dimensionless) | 2.07 X 10-13 | Calculated | Non-volatile | |
GUS leaching potential index  |
2.01 | Calculated | Transition state | |
| SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate |
Value | 2.22 X 10-02 | Calculated | - |
| Note | - | |||
| Potential for particle bound transport index |
- | Calculated | Low | |
| 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) | 8 | L3 | Non-persistent |
| DT50 (lab at 20oC) | - | - | - | |
| DT50 (field) | - | - | - | |
| DT90 (lab at 20oC) | - | - | - | |
| DT90 (field) | - | - | - | |
| Note | General literature states DT50 1-15 days | |||
| Aqueous photolysis DT50 (days) at pH 7 | Value | - | - | - |
| Note | - | |||
| Aqueous hydrolysis DT50 (days) at 20oC and pH 7 | Value | Stable | L3 | Very persistent |
| Note | Stable pH 3-7 at 25 degC; pH9 DT50 = 2.9 days | |||
| Water-sediment DT50 (days) | - | - | - | |
| Water phase only DT50 (days) | - | - | - | |
Soil adsorption and mobility:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Linear | Kd | - | Q2 | Mobile |
| Koc | 60 | |||
| Notes and range | Estimated | |||
| 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 |
| 2-(N-(6-chloro-3-pyridylmethyl)-N-ethyl)amino-2-methyliminoacetic acid | 2-CPMA | Plant | - | - |
| 2-(N-(6-chloro-3-pyridylmethyl)-N-ethyl-N-methylformamidine | 3-CPMF | Plant | - | - |
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Bio-concentration factor | BCF | Low risk | Q3 Based on LogP < 3 | High potential |
| CT50 (days) | - | - | ||
| Bioaccumulation potential | - | Calculated | Low | |
| Mammals - Acute oral LD50 (mg kg-1) | 1575 | L3 Rat | Moderate | |
| Mammals - Short term dietary NOEL | (mg kg-1) | - | - | - |
| (ppm diet) | - | - | ||
| Birds - Acute LD50 (mg kg-1) | 1124 | L3 Anas platyrhynchos | Moderate | |
| Birds - Short term dietary (LC50/LD50) | - | - | - | |
| Fish - Acute 96 hour LC50 (mg l-1) | 10 | L3 Oncorhynchus mykiss | Moderate | |
| Fish - Chronic 21 day NOEC (mg l-1) | - | - | - | |
| Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) | 10000 | L3 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) | - | - | - | |
| Algae - Acute 72 hour EC50, growth (mg l-1) | 26 | L3 Pseudokirchneriella subcapitata | Low | |
| 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) | 0.138 | R4 | High | |
| Earthworms - Acute 14 day LC50 (mg kg-1) | 32.2 | L3 | 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 | - | - | - | |
| Other arthropod (2) | LR50 g ha-1 | - | - | - |
| % Effect | - | - | - | |
| Soil micro-organisms | - | - | - | |
| Mesocosm study data | NOEAEC mg l-1 | - | - | - |
| NOEAEC mg l-1 | - | - | - | |
HUMAN HEALTH AND PROTECTION
for nitenpyram
General:
| Property |
Value | Source/Quality Score/Other Information |
Interpretation |
|
| Mammals - Acute oral LD50 (mg kg-1) | 1575 | L3 Rat | Moderate | |
| Mammals - Dermal LD50 (mg kg-1 body weight) | > 2000 | L3 Rat | - | |
| Mammals - Inhalation LC50 (mg l-1) | 5.8 | L3 Rat | - | |
| Other Mammal toxicity endpoints | - | - | ||
| ADI - Acceptable Daily Intake (mg kg-1bw day-1) | - | - | - | |
| 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 | 0.01 | ||
| Note | Default MRL according to Art 18(1)(b) Reg 396 / 2005. 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 | No further information available | |||||||
: 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 |
Corrosive | |||
| CLP classification 2013 | - | |||
| EC Risk Classification |
Xn - Harmful: R22 Xi - Irritant: R36, R37, R38 |
|||
| EC Safety Classification |
S26, S36 | |||
| WHO Classification | II | - | Moderately hazardous | |
| US EPA Classification (formulation) | - | - | ||
| UN Number | - | |||
| Waste disposal & packaging |
- | |||
| Language | Name |
| English | nitenpyram |
| French | - |
| German | - |
| Danish | - |
| Italian | - |
| Spanish | - |
| Greek | - |
| Slovenian | - |
| Polish | - |
| Swedish | - |
| Hungarian | - |
| Dutch | - |
Record last updated: Tuesday 29 July 2014
Contact: aeru@herts.ac.uk