Metamiton

Modify Date: 2025-08-27 17:04:58

Metamiton Structure
Metamiton structure
 Common Name Metamiton
CAS Number 41394-05-2 Molecular Weight 202.213
Density 1.3±0.1 g/cm3 Boiling Point 335.8±25.0 °C at 760 mmHg
Molecular Formula C10H10N4O Melting Point 167-170 °C(lit.)
MSDS Chinese USA Flash Point 156.9±23.2 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Use of Metamiton


Metamitron is a pre- and post-emergence herbicide used for the control of broad-leaved weeds and grasses in sugar beet[1].

 Names

Name metamitron
Synonym More Synonyms

 Metamiton Biological Activity

Description Metamitron is a pre- and post-emergence herbicide used for the control of broad-leaved weeds and grasses in sugar beet[1].
Related Catalog
References

[1]. Shizong Wang, et al. Identification of Degradation Routes of Metamitron in Soil Microcosms Using 13 C-isotope Labeling. Environ Pollut. 2017 Jan;220(Pt B):927-935.

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 335.8±25.0 °C at 760 mmHg
Melting Point 167-170 °C(lit.)
Molecular Formula C10H10N4O
Molecular Weight 202.213
Flash Point 156.9±23.2 °C
Exact Mass 202.085464
PSA 73.80000
LogP 0.83
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.672

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XZ3015000
CHEMICAL NAME :
as-Triazin-5(4H)-one, 4-amino-3-methyl-6-phenyl-
CAS REGISTRY NUMBER :
41394-05-2
BEILSTEIN REFERENCE NO. :
0613129
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C10-H10-N4-O
MOLECULAR WEIGHT :
202.24
WISWESSER LINE NOTATION :
T6NN DNVJ C1 DZ FR

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 :
1447 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>331 mg/m3/4H
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 :
>500 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 :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1450 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 :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>600 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 :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>1 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 :
Unreported
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
1930 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Mold - Neurospora crassa
DOSE/DURATION :
1 mg/L
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7(Suppl 3),11,1985

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H302-H400
Precautionary Statements P273
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful;N:Dangerousfortheenvironment;
Risk Phrases R22;R50
Safety Phrases S61-S45-S36/37
RIDADR UN 3077 9/PG 3
WGK Germany 2
RTECS XZ3015000
Hazard Class 9.0
HS Code 2933699014

 Customs

HS Code 2933699014
Summary 2933699014 4-amino-6-(tert-butyl)-3-(methylthio)-1,2,4-triazin-5(4h)-one。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

 Articles25

More Articles
Absorption, translocation and metabolism of metamitron in Chenopodium album.

Pest Manag. Sci. 68(2) , 209-16, (2012)

In recent years, common lambsquarters (Chenopodium album L.) populations from sugar beet fields in different European countries have responded as resistant to the as-triazinone metamitron. The populat...

Spectroscopic investigation and hydrogen-bonding analysis of triazinones.

J. Mol. Model. 18(8) , 3587-608, (2012)

NIR FT-Raman, FTIR and UV-vis spectra of the herbicide metamitron were recorded and analyzed. The aromaticities, equilibrium geometries, bonding features, electrostatic potentials, and harmonic vibrat...

Chlorophyll fluorescence protocol for quick detection of triazinone resistant Chenopodium album L.

Commun. Agric. Appl. Biol. Sci. 75(2) , 83-90, (2010)

Sugar beet growers in Europe are more often confronted with an unsatisfactory control of Chenopodium album L. (fat-hen), possibly due to the presence of a triazinone resistant biotype. So far, two mut...

 Synonyms

4-Amino-4,5-dihydro-3-methyl-6-phenyl-1,2,4-triazin-5-one
Herbrak
1,2,4-Triazin-5(4H)-one, 4-amino-3-methyl-6-phenyl-
Metamiton
Metron Stefes
Metamitron [BSI:ISO]
Goltix
MFCD00055524
T6NN DNVJ C1 DZ FR
4-amino-3-methyl-6-phenyl-4,5-dihydro-1,2,4-triazin-5-one
Methiamitron [Belgium]
METAMITRON
4-amino-6-phenyl-3-methyl-4,5-dihydro-1,2,4-triazin-5-one
BAY DRW 1139
Goltix WG 70
UNII-H69RGO1QO6
4-amino-3-methyl-6-phenyl-1,2,4-triazin-5-(4H)-one
Metamitron [German]
Methiamitron [French]
4-Amino-3-methyl-6-phenyl-1,2,4-triazin-5-one
EINECS 255-349-3
4-Amino-3-methyl-6-phenyl-1,2,4-triazin-5(4H)-one
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