Imazapyr
Names
[ CAS No. ]:
81334-34-1
[ Name ]:
Imazapyr
[Synonym ]:
2-[(RS)-4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl]nicotinic acid
Charper
2-(4-Isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinic acid
MFCD00144470
(±)-Imazapyr
2-[4,5-Dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3-pyridinecarboxylic acid
Imazapyr
Arsenal 250A
isopropylamine Salt
3-Pyridinecarboxylic acid, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-
3-Pyridinecarboxylic acid, 2-[4,5-dihydro-5-methyl-5-(1-methylethyl)-4-oxo-1H-imidazol-2-yl]-
T6NJ CVQ B- ET5MV DN CHJ CY1&1 C1
2-[4-methyl-4-(1-methylethyl)-5-oxo-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid
rac-2-[(4R)-4-methyl-5-oxo-4-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid
midazol-2-yl)
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
[ Boiling Point ]:
425.1±55.0 °C at 760 mmHg
[ Melting Point ]:
169-173°C
[ Molecular Formula ]:
C13H15N3O3
[ Molecular Weight ]:
261.276
[ Flash Point ]:
210.9±31.5 °C
[ Exact Mass ]:
261.111328
[ PSA ]:
91.65000
[ LogP ]:
0.51
[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C
[ Index of Refraction ]:
1.632
[ Storage condition ]:
0-6°C
[ Stability ]:
Stable. Incompatible with strong oxidizing agents.
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- US5682500
- CHEMICAL NAME :
- 3-Pyridinecarboxylic acid, 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-im idazol- 2-yl)-
- CAS REGISTRY NUMBER :
- 81334-34-1
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 6
- MOLECULAR FORMULA :
- C13-H15-N3-O3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >5 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,486,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,486,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,486,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- >2150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,487,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - duck
- DOSE/DURATION :
- >2150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,487,1991 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H319-H412
[ Precautionary Statements ]:
P273-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi:Irritant;
[ Risk Phrases ]:
R36;R52/53
[ Safety Phrases ]:
S26-S61
[ RIDADR ]:
NONH for all modes of transport
[ RTECS ]:
US5682500
[ HS Code ]:
2933990090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933990090
[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
Articles
J. Environ. Sci. Health B 43(2) , 105-12, (2008)
The abiotic degradation of the imidazolinone herbicides imazapyr, imazethapyr and imazaquin was investigated under controlled conditions. Hydrolysis, where it occurred, and photodegradation both follo...
Acetohydroxyacid synthase (AHAS) in vivo assay for screening imidazolinone-resistance in sunflower (Helianthus annuus L.).Plant Physiol. Biochem. 61 , 103-7, (2012)
The objective of this work was to evaluate the in vivo acetohydroxyacid synthase (AHAS) activity response to imidazolinones and its possible use as a selection method for evaluating AHAS inhibitor res...
Faster degradation of herbicidally-active enantiomer of imidazolinones in soils.Chemosphere 79(11) , 1040-5, (2010)
Imidazolinones are chiral herbicides, comprised of two enantiomers with differential herbicidal activity. In this study, the selective degradation of enantiomers of the three imidazolinone herbicides,...