Metoxuran

Modify Date: 2025-08-25 11:32:41

Metoxuran Structure
Metoxuran structure
Common Name Metoxuran
CAS Number 19937-59-8 Molecular Weight 228.675
Density 1.3±0.1 g/cm3 Boiling Point 391.6±42.0 °C at 760 mmHg
Molecular Formula C10H13ClN2O2 Melting Point 124-127ºC
MSDS Chinese USA Flash Point 190.6±27.9 °C
Symbol GHS09
GHS09
Signal Word Warning

 Use of Metoxuran


Metoxuron is a phenylurea herbicide.

 Names

Name metoxuron
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 391.6±42.0 °C at 760 mmHg
Melting Point 124-127ºC
Molecular Formula C10H13ClN2O2
Molecular Weight 228.675
Flash Point 190.6±27.9 °C
Exact Mass 228.066559
PSA 41.57000
LogP 1.80
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.578
Storage condition APPROX 4°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YS5775000
CHEMICAL NAME :
Urea, N'-(3-chloro-4-methoxyphenyl)-N,N-dimethyl-
CAS REGISTRY NUMBER :
19937-59-8
BEILSTEIN REFERENCE NO. :
2128284
LAST UPDATED :
199612
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C10-H13-Cl-N2-O2
MOLECULAR WEIGHT :
228.70
WISWESSER LINE NOTATION :
1OR BG 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 :
1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2542 mg/kg
TOXIC EFFECTS :
Endocrine - other changes Blood - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2558 mg/kg/43W-I
TOXIC EFFECTS :
Liver - other changes Endocrine - hyperglycemia Blood - methemoglobinemia-carboxyhemoglobin

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 58,353,1978

 Safety Information

Symbol GHS09
GHS09
Signal Word Warning
Hazard Statements H410
Precautionary Statements P273-P501
Personal Protective Equipment Eyeshields;Gloves
Hazard Codes Xn: Harmful;F: Flammable;N: Dangerous for the environment;
Risk Phrases R50/53
Safety Phrases 60-61-36-26-16
RIDADR UN3077 9
RTECS YS5775000
Hazard Class 9.0

 Synthetic Route

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Metoxuran Structure

Metoxuran

CAS#:19937-59-8

Literature: Journal of the Chemical Society, Perkin Transactions 2, , # 11 p. 2226 - 2229

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Metoxuran Structure

Metoxuran

CAS#:19937-59-8

Literature: US2655445 , ;

 Articles6

More Articles
[Hygienic standard for the allowable content of Dosanex in food products and reservoir waters].

Gig. Sanit. (2) , 13-5, (1982)

[Effect of dosanex on the immunologic reactions in animals].

Gig. Sanit. (2) , 85-6, (1983)

Structure-activity relationship (SAR) studies of benzoxazinones, their degradation products, and analogues. Phytotoxicity on problematic weeds Avena fatua L. and Lolium rigidum Gaud.

J. Agric. Food Chem. 54(4) , 1040-8, (2006)

Avena fatua L. (wild oat) and Lolium rigidum Gaud. (rigid ryegrass) are highly problematic weeds affecting a wide variety of cereal crops worldwide. The fact that both of these weeds have developed re...

 Synonyms

Dosaflo
N’-(3-chloro-4-methoxyphenyl)-N,N-dimethylurea
Sulerex
N'-(3-Chloro-4-methoxyphenyl)-N,N-dimethylurea
Urea, N'-(3-chloro-4-methoxyphenyl)-N,N-dimethyl-
Metoxuron solution
Purivel
3-(3-Chloro-4-methoxyphenyl)-1,1-dimethylurea
Dosanex FL
MFCD00055444
Metoxuran
EINECS 243-433-2
Dosagran
Deftor
Metoxuron
Dosanex
Dosanex MG
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