-
Name
Oxadiazon
- EINECS 243-215-7
- CAS No. 19666-30-9
- Article Data13
- CAS DataBase
- Density 1.31 g/cm3
- Solubility 0.7mg/L(24 oC)
- Melting Point 88-90 °C
- Formula C15H18Cl2N2O3
- Boiling Point 417 °C at 760 mmHg
- Molecular Weight 345.226
- Flash Point 206 °C
- Transport Information UN3077 9/PG 3
- Appearance Crystalline solid
- Safety 60-61
- Risk Codes 50/53
-
Molecular Structure
-
Hazard Symbols
N
- Synonyms Oxadiazon , its cas register number is 19666-30-9. It also can be called Oxadiazon [ANSI:BSI:ISO];1,3,4-Oxazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-;3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one (9CI); 3-(2,4-Dichloro-5-isopropyloxy-phenyl)-delta(sup 4)-5-(tert-butyl)-1,3,4-oxadiazoline-2-one;5-tert-Butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one;Oxadiazon;Oxadiazone;1,3,4-Oxadiazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-;
- PSA 57.26000
- LogP 4.21700
Oxadiazon Chemical Properties
Molecular structure of Oxadiazon (CAS NO.19666-30-9) is:
Product Name: Oxadiazon
CAS Registry Number: 19666-30-9
IUPAC Name: 5-tert-butyl-3-(2,4-dichloro-5-propan-2-yloxyphenyl)-1,3,4-oxadiazol-2-one
Molecular Weight: 345.22102 [g/mol]
Molecular Formula: C15H18Cl2N2O3
XLogP3: 4.8
H-Bond Donor: 0
H-Bond Acceptor: 4
Melting Point: 88-90 °C
Storage temp.: 0-6°C
Surface Tension: 39.1 dyne/cm
Density: 1.31 g/cm3
Flash Point: 206 °C
Enthalpy of Vaporization: 67.04 kJ/mol
Boiling Point: 417 °C at 760 mmHg
Vapour Pressure: 3.65E-07 mmHg at 25°C
Product Categories: Herbicide; OPesticides&Metabolites; Oxadiazolones; Alpha sort; Herbicides; N-PAnalytical Standards; Pesticides&Metabolites; Alphabetic; Analytical Standards
Oxadiazon Uses
Oxadiazon (CAS NO.19666-30-9) can be used as an herbicide.
Oxadiazon Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| duck | LD50 | oral | 1gm/kg (1000mg/kg) | Pesticide Manual. Vol. 9, Pg. 634, 1991. | |
| mouse | LD50 | oral | 12gm/kg (12000mg/kg) | Defense des Vegetaux. Vol. 39(231), Pg. 19, 1985. | |
| quail | LD50 | oral | 6gm/kg (6000mg/kg) | Pesticide Manual. Vol. 9, Pg. 634, 1991. | |
| rabbit | LD50 | skin | > 2gm/kg (2000mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C226, 1991. | |
| rat | LC50 | inhalation | > 200gm/m3 (200000mg/m3) | Defense des Vegetaux. Vol. 39(231), Pg. 19, 1985. | |
| rat | LD50 | oral | 3500mg/kg (3500mg/kg) | "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 2, Pg. 205, 1977. | |
| rat | LD50 | skin | 5200mg/kg (5200mg/kg) | Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 69(2), Pg. 48P, 1973. |
Oxadiazon Safety Profile
Safty information about Oxadiazon (CAS NO.19666-30-9) is:
Moderately toxic by ingestion, inhalation, and skin contact. When heated to decomposition it emits toxic vapors of NOx and Cl−.
Hazard Codes: 
N
Risk Statements: 50/53
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 60-61
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN3077 9/PG 3
RTECS: RO0874000
Oxadiazon Specification
Oxadiazon , its cas register number is 19666-30-9. It also can be called Oxadiazon [ANSI:BSI:ISO] ; 1,3,4-Oxazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)- ; 2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-delta(sup 2)-1,3,4-oxadiazolin-5-one ; 2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-delta2-1,3,4-oxadiazolin-5-one (8CI) ; 2-tert-Butyl-4-(2,4-dichloro-5-isopropyloxyphenyl)-1,3,4-oxadiazolin-5-one ; 3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one (9CI); 3-(2,4-Dichloro-5-isopropyloxy-phenyl)-delta(sup 4)-5-(tert-butyl)-1,3,4-oxadiazoline-2-one ; 5-tert-Butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazol-2(3H)-one ; Oxadiazon ; Oxadiazone ; 1,3,4-Oxadiazol-2(3H)-one, 3-(2,4-dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)- ; 3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one ; delta(sup 2)-1,3,4-Oxadiazolin-5-one, 2-tert-butyl-4-(2,4-dichloro-5-isopropyloxyphenyl)- ; 2-tert-Butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-delta2-1,3,4-oxadiazoline-5-one ; 3-(2,4-Dichloro-5-(1-methylethoxy)phenyl)-5-(1,1-dimethylethyl)-1,3,4-oxadiazol-2(3H)-one .It is a crystalline solid. Dust may form an explosive mixture in air.
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