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medetomidine
** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home
Further data may be found in the PPDB

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for medetomidine

Description: Used as before a general anaesthetic as a sedative and analgesic drug for a variety of animals.

Availability status: Unknown

Introduction & key dates: -

Examples of species treated: Deer, Cats, Dogs

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C13H16N2
Canonical SMILES CC1=C(C(=CC=C1)C(C)C2=CN=CN2)C
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) CUHVIMMYOGQXCV-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C13H16N2/c1-9-5-4-6-12(10(9)2)11(3)13-7-14-8-15-13/h4-8,11H,1-3H3,(H,14,15)
2D structure diagram/image available? Yes

Click to access the Cambridge Crystallographic Data Centre (CCDC) website
Cambridge Crystallographic Data Centre diagrams:
Common Name Relationship Link
Medetomidine hydrochloride Derivative Click here for the CCDC structure diagram

General status: Click here for further information on the general chemical status information used on this site
Veterinary substance type Sedative, Analgesic
Other constituent type Biocide
Substance group Unclassified
Minimum active substance purity >99%
Known relevant impurities -
Substance origin Synthetic
Mode of action A non-narcotic alpha2-adrenoreceptor agonist
Molecular targets -
CAS RN 86347-14-0
EC number -
CIPAC number -
US EPA chemical code -
PubChem CID 69602
ATCvet Code QN05CM91
Therapeutic Class Nervous system: Psycholeptics
Controlled Drug? No
Regulation 37/2010 MRL Classification No data
Molecular mass (g mol-1) 200.28
PIN (Preferred Identification Name) -
IUPAC name (RS)-4-[1-(2,3-dimethylphenyl)ethyl]-3H-imidazole
CAS name -
Other status information -
Relevant Environmental Water Quality Standards -
Physical state White crystalline, odourless powder
Related substances & organisms -

Formulations:
Property Click here for information on the general product and branding information used on this site Product Manufacturer Authorisation Route UK Legal Class
Example products using this active Domitor 1 mg/ml Solution for injection Orion Corporation UK National authorisation Prescription only medicine to be authorised by a veterinarian (POM-V)
Medetor 1 mg/ml Solution for Injection for Dogs and Cats CP-Pharma Handelsges. mbH EU Mutually recognised procedure Prescription only medicine to be authorised by a veterinarian (POM-V)
Sededorm 1 mg/ml solution for injection for dogs and cats VetPharma Animal Health S.L. EU Mutually recognised procedure Prescription only medicine to be authorised by a veterinarian (POM-V)
Narcostart 1 mg/ml Solution for Injection for cats and dogs Le Vet B.V. No UK authorisation for use with animals, Authorised for use in Ireland Not applicable
Formulation and application details -


ENVIRONMENTAL FATE

for medetomidine

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) 19800 E3 High
Solubility - In organic solvents at 20oC (mg l-1) 3300 E3 - p-Xylene -
65000 E3 - Acetone -
Melting point (oC) 116 Q3 -
Boiling point (oC) 382 E3 -
Degradation point (oC) - - -
Flashpoint (oC) 191.3 Q3 -
Octanol-water partition coefficient at pH 7, 20oC P 7.94 X 1002 Calculated -
Log P 2.9 E3 Moderate
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 3.5 X 10-03 E3 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 1.22 Calculated Low leachability
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -
Refractive Index - - -

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
Soil degradation (days) (aerobic) DT50 (typical) 100 E2 Persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Literature: Slow degradation
Manure DT50 (days) - - -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-sediment DT50 (days) 110 E3 Slow
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 - E3 Slightly mobile
Koc 2460
Notes and range Literature data range Koc 1215 to 3705 g/mL
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for medetomidine

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) > 31.25 E3 Rat High
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 30.0 E3 Danio rerio Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 4.5 E3 Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) 0.005 E3 Americamysis bahia, as 28 day NOEC High
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) 0.34 E3 Scendesmus suspicatus Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis 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) - - -
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) - - -
Earthworms - Chronic NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms Acute LC50 (mg kg-1) - - -
Chronic NOEC (mg kg-1) - - -
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 medetomidine

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) > 31.25 E3 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 E3 Rat -
Mammals - Inhalation LC50 (mg l-1) 0.14 E3 Rat, 4 hr -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
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 Routes Public -
Occupational -
Elimination route and rate Metabolised and excreted via the kidneys in the urine. Q3 -

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

A0; B0; C0; D0; E0

-

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues Possible lungs, liver and kidney toxicant
May cause hypersensitivity reactions
Harmful if swallowed
Has a strong sedative effect
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 Emits a variety of toxic fumes on combustion
Corrosive
Not explosive or oxidising
IMDG Transport Code is usually 6.1,
CLP classification 2013 Health: H300, H310
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases T+ - Toxic: R25, R26
Xn - Harmful: R22
N- Dangerous for the environment: R50/53
EC Safety Classification Click here to view information omn the EU safety phrases S20, S24/25, S37, S45
WHO Classification NL - Not listed
UN Number 2811
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group II (medium danger)


TRANSLATIONS

for medetomidine

Language Name
English medetomidine
French -
German -
Danish -
Italian -
Spanish medetomidina
Greek -
Slovenian -
Polish -
Swedish -
Hungarian -
Dutch -

Record last updated: Wednesday 31 October 2018
Contact: aeru@herts.ac.uk