Urea,N'-[3-chloro-4-[5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]phenyl]-N,N-dimethyl- cas no:34205-21-5

NameUrea,N'-[3-chloro-4-[5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]phenyl]-N,N-dimethyl-
CAS34205-21-5
SynonymsUrea,3-[4-(2-tert-butyl-5-oxo-D2-1,3,4-oxadiazolin-4-yl)-3-chlorophenyl]-1,1-dimethyl- (8CI);3-[2-Chloro-4-(3,3-dimethylureido)phenyl]-5-tert-butyl-1,3,4-oxadiazolinone;Dimefuron; Pradone TS; RP 23465; Vt 2809
EINECS(EC#)251-879-4
Molecular FormulaC15H19 Cl N4 O3
Molecular Weight338.83

refractive index1.592
storage tempAPPROX 4°C

Hazard F: Flammable;Xn: Harmful;
Risk 11-20/21/22-36-22
Safety

Hazard Codes: F,Xn
Risk Statements: 11-20/21/22-36-22
R11: Highly flammable. 
R22: Urea,N'-(3-chloro-4-(5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl)phenyl)-N,N-dimethyl- (CAS NO.34205-21-5) is harmful if swallowed. 
R21/22: Harmful in contact with skin and if swallowed. 
R36: Irritating to eyes.
Safety Statements: 16-26-36
S16: Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
RIDADR: UN 1648 3/PG 2
RTECS: YS4000000
Moderately toxic by ingestion. When Urea,N'-(3-chloro-4-(5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl)phenyl)-N,N-dimethyl- (CAS NO.34205-21-5) is heated to decomposition, it emits toxic vapors of NO_x and Cl⁻.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LD50	oral	2gm/kg (2000mg/kg)		Pesticide Manual. Vol. 9, Pg. 288, 1991.
mouse	LD50	oral	10gm/kg (10000mg/kg)		Farm Chemicals Handbook. Vol. -, Pg. C108, 1991.
rat	LD50	oral	1gm/kg (1000mg/kg)		Farm Chemicals Handbook. Vol. -, Pg. C108, 1991