Chloroxuron

Modify Date: 2025-08-21 16:33:02

Chloroxuron Structure
Chloroxuron structure
Common Name Chloroxuron
CAS Number 1982-47-4 Molecular Weight 290.745
Density 1.3±0.1 g/cm3 Boiling Point 459.3±41.0 °C at 760 mmHg
Molecular Formula C15H15ClN2O2 Melting Point 151ºC
MSDS Chinese USA Flash Point 231.6±27.6 °C
Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning

 Names

Name chloroxuron
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 459.3±41.0 °C at 760 mmHg
Melting Point 151ºC
Molecular Formula C15H15ClN2O2
Molecular Weight 290.745
Flash Point 231.6±27.6 °C
Exact Mass 290.082214
PSA 41.57000
LogP 3.20
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.618
Stability Stable. Incompatible with strong oxidizing agents.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YS6125000
CHEMICAL NAME :
Urea, 3-(p-(p-chlorophenoxy)phenyl)-1,1-dimethyl-
CAS REGISTRY NUMBER :
1982-47-4
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C15-H15-Cl-N2-O2
MOLECULAR WEIGHT :
290.77
WISWESSER LINE NOTATION :
GR DOR DMVN1&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 :
3700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1350 mg/m3/6H
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: 9,162,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>3 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: 9,162,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,232,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year: A083,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H332-H400
Precautionary Statements P273
Personal Protective Equipment Eyeshields;Faceshields;Gloves
Hazard Codes N: Dangerous for the environment;
Risk Phrases 50/53
Safety Phrases 60-61
RIDADR UN3077 9/PG 3
RTECS YS6125000
HS Code 2924299034

 Precursor & DownStream

Precursor  0

DownStream  1

 Customs

HS Code 2924299034
Summary 2924299034 n-(3-chloro-4-methylphenyl)-2-methylpentanamide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

 Articles3

More Articles
Electrically driven microseparation methods for pesticides and metabolites. II: on-line and off-line preconcentration of urea herbicides in capillary electrochromatography.

Electrophoresis 20(12) , 2337-42, (1999)

Capillary electrochromatography (CEC) was introduced to the separation of nine important urea herbicides using octadecyl-silica (ODS) capillary columns that were specially designed to allow the realiz...

Photocatalytic degradation of phenyl-urea herbicides chlortoluron and chloroxuron: characterization of the by-products by liquid chromatography coupled to electrospray ionization tandem mass spectrometry.

Rapid Commun. Mass Spectrom. 20(10) , 1569-76, (2006)

The first stages of the photocatalytic degradation of the compounds chlortoluron [3-(3-chloro-4-methylphenyl)-1,1-dimethylurea] and chloroxuron [3-[4-(4-chlorophenoxy)phenyl]-1,1-dimethylurea], belong...

Determination of chloroxuron in strawberries using liquid chromatography with electron-capture detection.

Bull. Environ. Contam. Toxicol. 35(6) , 711-5, (1985)

 Synonyms

Urea, N'-[4-(4-chlorophenoxy)phenyl]-N,N-dimethyl-
Gesamoos
N’-[4-(4-chlorophenoxy)phenyl]-N,N-dimethylurea
Caswell No. 217B
TENORAN
3-[4-(4-Chlorophenoxy)phenyl]-1,1-dimethylurea
Ciba 1983
Chloroxuron
Norex
Chlorphencarb
Chloroxifenidim
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