Oxadiazon

Names

[ CAS No. ]:
19666-30-9

[ Name ]:
Oxadiazon

[Synonym ]:
3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one
3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one
2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazolin-5-one
3-(2,4-Dichloro-5-isopropoxyphenyl)-5-(2-methyl-2-propanyl)-1,3,4-oxadiazol-2(3H)-one
2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-D2-1,3,4-oxadiazolin-5-one
Oxadiazone
MFCD00128056
Ronstan
Oxadiazon
1,3,4-Oxadiazol-2(3H)-one, 3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-5-(1,1-dimethylethyl)-
5-tert-Butyl-3-(2,4-dichlor-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-on
5-tert-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)1,3,4-oxadiazol-2(3h)-one
3-(2,4-Dichloro-5-isopropyloxy-phenyl)-δ(sup 4)-5-(tert-butyl)-1,3,4-oxadiazoline-2-one
3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one (9CI)
5-tert-Butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one
UNII-C6U0E0YTP6
5-tert-Butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazolin-2-one
Ronstar
5-tert-butyl-3-(2,4-dichloro-5-propan-2-yloxyphenyl)-1,3,4-oxadiazol-2-one
5-tert-butyl-3-[2,4-dichloro-5-(propan-2-yloxy)phenyl]-1,3,4-oxadiazol-2(3H)-one
5-tert-butyl-3-[2,4-dichloro-5-(1-methylethoxy)phenyl]-1,3,4-oxadiazol-2(3H)-one
5-(tert-Butyl)-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one
Oxydiazon
EINECS 243-215-7
2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-δ2-1,3,4-oxadiazolin-5-one (8CI)

Biological Activity

[Description]:

Oxadiazon is a preemergent herbicide.

[Related Catalog]:

Signaling Pathways >> Others >> Others

Research Areas >> Others

[Related Small Molecules]

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
417.0±55.0 °C at 760 mmHg

[ Melting Point ]:
88-90°C

[ Molecular Formula ]:
C₁₅H₁₈Cl₂N₂O₃

[ Molecular Weight ]:
345.221

[ Flash Point ]:
206.0±31.5 °C

[ Exact Mass ]:
344.069458

[ PSA ]:
57.26000

[ LogP ]:
4.55

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.569

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RO0874000

CHEMICAL NAME :: delta(sup 2)-1,3,4-Oxadiazolin-5-one, 2-tert-butyl-4-(2,4-dichloro-5-isopropyloxyphenyl)-

CAS REGISTRY NUMBER :: 19666-30-9

LAST UPDATED :: 199706

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: C15-H18-Cl2-N2-O3

MOLECULAR WEIGHT :: 345.25

WISWESSER LINE NOTATION :: T5NNVOJ BR BG DG EOY1&1& EX1&1&1

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 :: 3500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revision Volume(issue)/page/year: 2,205,1977

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >200 gm/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 39(231),19,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 69(2),48P,1973

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 12 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 39(231),19,1985

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: -,C226,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: 6 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: 9,634,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: 1 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: 9,634,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 360 mg/kg/6D-I

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes Biochemical - Metabolism (Intermediary) - porphyrin including bile pigments

REFERENCE :: PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year: 42,180,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2800 mg/kg/2W-I

TOXIC EFFECTS :: Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases Biochemical - Effect on specific coenzyme - CoA

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 141,35,1996

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 720 mg/kg/6D-I

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes Biochemical - Metabolism (Intermediary) - porphyrin including bile pigments

REFERENCE :: PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year: 42,180,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2800 mg/kg/4W-I

TOXIC EFFECTS :: Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases Biochemical - Effect on specific coenzyme - CoA

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 141,35,1996 *** 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 ]:

GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H410

[ Precautionary Statements ]:
P273-P501

[ Personal Protective Equipment ]:
dust mask type N95 (US);Gloves

[ Hazard Codes ]:
N:Dangerousfortheenvironment;

[ Risk Phrases ]:
R50/53

[ Safety Phrases ]:
S60-S61

[ RIDADR ]:
UN3077 9/PG 3

[ RTECS ]:
RO0874000

[ Hazard Class ]:
9.0

[ HS Code ]:
2934999010

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999010

[ Summary ]:
2934999010. VAT:17.0%. Tax rebate rate:9.0%. Supervision conditions:S(import or export registration certificate for pesticides). MFN tariff:6.5%. General tariff:20.0%

Articles

The effect of protoporphyrinogen oxidase inhibitors on microsomal and mitochondrial cytochromes.

Obes. Res. 3 Suppl 5 , 785S-788S, (1995)

Neurological dysfunction is a characteristic feature of acute porphyrias, unexplained until now. One of the possible explanations is a deficiency of heme in the central nervous system, caused by a blo...

Mining biologically-active molecules for inhibitors of fatty acid amide hydrolase (FAAH): Identification of phenmedipham and amperozide as FAAH inhibitors

Bioorg. Med. Chem. Lett. 19 , 6793-6, (2009)

The screening of known medicinal agents against new biological targets has been shown to be a valuable approach for revealing new pharmacology of marketed compounds. Recently, carbamate, urea and keto...

Herbicide-induced experimental variegate porphyria in mice: tissue porphyrinogen accumulation and response to porphyrogenic drugs.

Can. J. Physiol. Pharmacol. 75(10-11) , 1181-7, (1997)

Administration of oxadiazon or oxyfluorfen (1000 ppm in the diet) to male BALB/c mice for 9 days resulted in experimental porphyria, resembling the acute phase of human variegate porphyria. Urinary co...