Shanghai Nianxing Industrial Co., Ltd
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Product Name: dimefuron
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34205-21-5

34205-21-5 structure

34205-21-5 structure

Name: dimefuron
Chemical Name: dimefuron
CAS Number: 34205-21-5
Molecular Formula: C₁₅H₁₉ClN₄O₃
Molecular Weight: 338.78900
Catalog: Chemical pesticide herbicide Other herbicides
Create Date: 2018-06-22 17:14:08
Modify Date: 2025-08-20 14:40:19

Name	dimefuron
Synonyms	3-[4-(5-tert-butyl-2,3-dihydro-2-oxo-1,3,4-oxadiazol-3-yl)-3-chlorophenyl]-N,N-dimethylurea MFCD00144130 Dimefuron [BSI:ISO] N’-[3-chloro-4-[5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]phenyl]-N,N-dimethylurea 3-{4-[5-(tert-butyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]-3-chlorophenyl}-1,1-dimethylurea Pradone TS Pradone kombi 3-[4-(5-tert-butyl-2-oxo-1,3,4-oxadiazol-3-yl)-3-chlorophenyl]-1,1-dimethylurea 3-[4-(5-tert-butyl-2,3-dihydro-2-oxo-1,3,4-oxadiazol-3-yl)-3-chlorophenyl]-1,1-dimethylurea N’-[4-(5-tert-butyl-2-oxo-1,3,4-oxadiazol-3(2H)-yl)-3-chlorophenyl]-N,N-dimethylurea EINECS 251-879-4 Pradone plus Vt 2809 Dimefuron Legurame TS N'-[3-chloro-4-[5-(1,1-dimethylethyl)-2-oxo-1,3,4-oxadiazol-3(2H)-yl]phenyl]-N,N-dimethylurea 3-[4-(5-tert-butyl-2-oxo-[1,3,4]oxadiazol-3-yl)-3-chloro-phenyl]-1,1-dimethyl-urea

Density	1.3g/cm3
Melting Point	193℃
Molecular Formula	C₁₅H₁₉ClN₄O₃
Molecular Weight	338.78900
Flash Point	2ºC
Exact Mass	338.11500
PSA	80.37000
LogP	2.94290
Index of Refraction	1.592
Storage condition	APPROX 4°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YS4000000

CHEMICAL NAME :: Urea, 3-(4-(2-tert-butyl-5-oxo-delta(sup 2)-1,3,4-oxadiazolin-4-yl)-3-chlorophenyl)- 1,1-dimethyl-

CAS REGISTRY NUMBER :: 34205-21-5

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C15-H19-Cl-N4-O3

MOLECULAR WEIGHT :: 338.83

WISWESSER LINE NOTATION :: T5NN DOVJ AR BG DMVN1&1& CX1&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 :: 1 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: -,C108,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10 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: -,C108,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 2 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: 9,288,1991

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	F: Flammable;Xn: Harmful;
Risk Phrases	11-20/21/22-36-22
Safety Phrases	S16;S26;S36
RIDADR	UN 1648 3/PG 2
RTECS	YS4000000

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