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81385-77-5 81335-77-5
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81335-77-5

81335-77-5 structure
81335-77-5 structure
  • Name: Imazethapyr
  • Chemical Name: imazethapyr
  • CAS Number: 81335-77-5
  • Molecular Formula: C15H19N3O3
  • Molecular Weight: 289.33000
  • Catalog: Chemical pesticide herbicide Benzene herbicide
  • Create Date: 2018-02-21 08:00:00
  • Modify Date: 2024-01-02 13:14:19
  • Imazethapyr is an imidazolinone herbicide used in crops. Imazethapyr can protect crops from damage by weeds and annual grasses[1][2].
Name imazethapyr
Synonyms rac-5-ethyl-2-[(4R)-4-methyl-5-oxo-4-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid
MFCD00274561
2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid
5-ethyl-2-[(RS)-4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl]nicotinic acid
5-ethyl-2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid
5-Ethyl-2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinic acid
Description Imazethapyr is an imidazolinone herbicide used in crops. Imazethapyr can protect crops from damage by weeds and annual grasses[1][2].
Related Catalog
In Vitro Imazethapyr belongs to the imidazolinones family of herbicides that are being extensively used in a wide range of cropping systems to enhance crop yields and protect crops from damage by weeds and annual grasses in soybean and peanut. Imazethapyr would affect the transcription of photosynthesis-related genes and inhibit the antioxidant system of the plants and affect the chlorophyll synthesis[2].
References

[1]. Luca Carena, et al. Modelling the photochemistry of imazethapyr in rice paddy water. Sci Total Environ. 2018 Dec 10;644:1391-1398.

[2]. Yanqiang Zhou, et al. Preparation of Imazethapyr Surface Molecularly Imprinted Polymers for Its Selective Recognition of Imazethapyr in Soil Samples. J Anal Methods Chem. 2018 Sep 30;2018:7535417.
Density 1.28 g/cm3
Boiling Point 446.8ºC at 760 mmHg
Melting Point 169-173ºC
Molecular Formula C15H19N3O3
Molecular Weight 289.33000
Flash Point 224ºC
Exact Mass 289.14300
PSA 91.65000
LogP 1.39770

CHEMICAL IDENTIFICATION

RTECS NUMBER :
US5682900
CHEMICAL NAME :
3-Pyridinecarboxylic acid, 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-im idazol-2- yl)-5-ethyl-, (+-)-
CAS REGISTRY NUMBER :
81335-77-5
LAST UPDATED :
199701
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C15-H19-N3-O3
MOLECULAR WEIGHT :
289.37

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: 9,489,1991
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3270 mg/m3
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: 9,489,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
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: 9,489,1991
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 :
FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C255,1991
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: 9,489,1991
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: 9,489,1991
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR NONH for all modes of transport
RTECS US5682900
40963-14-2 structure

40963-14-2
105151-39-1 structure

105151-39-1

~86%

81335-77-5 structure

81335-77-5
Literature: Vasiliev, Aleksey N.; Lopez, Antonio F.; Fernandez, Julio D.; Mocchi, Anibal J. Molecules, 2004 , vol. 9, # 7 p. 535 - 540
Precursor  2

DownStream  0


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