Oxadiazon

Modify Date: 2026-06-30 13:32:20

Oxadiazon Structure
Oxadiazon structure
Common Name Oxadiazon
CAS Number 19666-30-9 Molecular Weight 345.221
Density 1.3±0.1 g/cm3 Boiling Point 417.0±55.0 °C at 760 mmHg
Molecular Formula C15H18Cl2N2O3 Melting Point 88-90°C
MSDS Chinese USA Flash Point 206.0±31.5 °C
Symbol GHS09
GHS09
Signal Word Warning

 Use of Oxadiazon


Oxadiazon is a preemergent herbicide.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name oxadiazon
Synonym More Synonyms

 Oxadiazon Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Oxadiazon is a preemergent herbicide.
Related Catalog

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

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
InChIKey CHNUNORXWHYHNE-UHFFFAOYSA-N
SMILES CC(C)Oc1cc(-n2nc(C(C)(C)C)oc2=O)c(Cl)cc1Cl

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS09
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

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  0

DownStream  3

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles27

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

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...

 OxadiazonBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Inhibition of chlorophyll biosynthesis of Chlorella salina
Source: ChEMBL
Target: Chlorella salina
External Id: CHEMBL3083932
Name: Inhibition of autotrophic growth of Chlorella salina
Source: ChEMBL
Target: Chlorella salina
External Id: CHEMBL3076192
Name: Inhibition of protoporphyrinogen oxidase in Gossypium hirsutum (cotton) seedlings ass...
Source: ChEMBL
Target: Protoporphyrinogen oxidase 1, chloroplastic
External Id: CHEMBL3076193
Name: Phytotoxicity against Gossypium hirsutum (cotton) seedlings assessed as inhibition of...
Source: ChEMBL
Target: Gossypium hirsutum
External Id: CHEMBL3076194
Name: Phytotoxicity against Gossypium hirsutum (cotton) seedlings assessed as damage measur...
Source: ChEMBL
Target: Gossypium hirsutum
External Id: CHEMBL3076195
Name: Phytotoxicity against Gossypium hirsutum (cotton) seedlings assessed as cotyledons ar...
Source: ChEMBL
Target: Gossypium hirsutum
External Id: CHEMBL3083942
Total 259, Current Page 1 of 26
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

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
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)

 Oxadiazon | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of oxadiazon?
A: Molecular weight of oxadiazon is 345.221.
Q: What are the uses of oxadiazon?
A: Main uses of oxadiazon: Oxadiazon is a preemergent herbicide.
Q: What is the English name of oxadiazon?
A: The English name of oxadiazon is oxadiazon.
Q: What is the InChIKey of oxadiazon?
A: InChIKey of oxadiazon is CHNUNORXWHYHNE-UHFFFAOYSA-N.
Q: What is the safety information for oxadiazon?
A: Safety information for oxadiazon: S60-S61.
Q: What is the melting point of oxadiazon?
A: Melting point of oxadiazon is 88-90°C.
Q: What is the CAS number of oxadiazon?
A: CAS number of oxadiazon is 19666-30-9.
Q: What is the LogP of oxadiazon?
A: LogP of oxadiazon is 4.55.
Q: What is the boiling point of oxadiazon?
A: Boiling point of oxadiazon is 417.0±55.0 °C at 760 mmHg.
Q: What is the molecular formula of oxadiazon?
A: Molecular formula of oxadiazon is C15H18Cl2N2O3.

 Oxadiazonfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Henan Tianfu Chemical Co., Ltd.
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