Molecular Formula | C10H10N4O |
Molar Mass | 202.21 |
Density | 1.2165 (rough estimate) |
Melting Point | 165-170 °C |
Boling Point | 340.33°C (rough estimate) |
Flash Point | 11°C |
Water Solubility | 1.8g/L(20 ºC) |
Vapor Presure | 0.000117mmHg at 25°C |
Appearance | neat |
Color | White to Light yellow |
Maximum wavelength(λmax) | ['312nm(CH3CN)(lit.)'] |
Merck | 14,5924 |
BRN | 613129 |
pKa | 1.54±0.20(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.6300 (estimate) |
MDL | MFCD00055524 |
Physical and Chemical Properties | Pure product is light yellow crystal, the original drug is light yellow solid, melting point 166.9°C, vapor pressure (20°C)8.6 × 10-4pa, relative density 1.35(22.5°C), solubility (25°C) 1.7mg/L in water, soluble in methanol, dichloromethane and other organic solvents, stable in acid, unstable in strong alkali |
Use | Inhibitors of photosynthesis. Mainly for the prevention and control of monocotyledonous and dicotyledonous weeds such as Solanum nigrum, Foula, Poa pratensis, motherwort, pig and so on, suitable for sugar beet and feed beet. Half-Life of three months. Dosage 3.5-5.0/(a. I.)/hm2 |
Risk Codes | R22 - Harmful if swallowed R50 - Very Toxic to aquatic organisms R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. |
UN IDs | UN 3077 9/PG 3 |
WGK Germany | 2 |
RTECS | XZ3015000 |
HS Code | 29336990 |
Hazard Class | 9 |
Packing Group | III |
Toxicity | LD50 orally in male, female rats, male, female mice: 3343, 1832, 1450, 1463 mg/kg; dermally in rats: >500 mg/kg; LC50 (4 hr) in rats, mice, hamsters (mg/m3): >331, >206, >206 by inhalation (Lembrich) |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
biological activity | Metamitron is a herbicide before and after emergence, used to control broadleaf weeds and grasses in sugar beet. |
use | photosynthesis inhibitor. It is mainly used to control monocotyledonous and dicotyledonous weeds such as Solanum nigrum, chickweed, bluegrass, watching wheat Niang, pig disaster, etc. It is suitable for sugar beet and feed beet. The half-life is three months. Use dose 3.5-5.0kg/(a. I.)/hm2 |
category | pesticide |
toxicity classification | poisoning |
acute toxicity | oral-rat LD50: 1447 mg/kg; Oral-mouse LD50: 1450 mg/kg |
flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxide smoke |
storage and transportation characteristics | warehouse ventilation and low temperature drying |
fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |