Product Name: Metamitron
Molecular Formula: C₁₀H₁₀N₄O
Molecular Weight: 202.2
Chemical Name: 4-amino-4, 5-dihydro-3-methyl-6-phenyl-1, 2, 4-triazin-5-one.
Structural Formula:

CAS NO.: 41394-05-2
Content: 95%min, Package: 25KG Fiber Drum
Physical and Chemical Properties: The purity is yellowish and odorless crystal. The melting point is 166.9^oC. The vapor pressure is 8.6X10-4mPa at 20^oC, 2X10-3mPa at 22.5^oC. The relative density is 1.35 at 22.5^oC. The solubility is 1.7g/L in water, 5.7g/L in isopropyl alcohol, 23g/Lin methyl alcohol, 1.1g/L in alcohol, 30-50g/L in dichloromethane, 10-50g/L in cyclohexanone, 2.8g/L in methylbenzene at 20^oC. It is stable in acid and not stable in alkali.
Toxicity: Acute oral toxicity is LD₅₀ 1200mg/kg for rat, 650mg/kg for mouse, more than 1000mg/kg for dog. Acute dermal toxicity for rat is LD₅₀>4000mg/kg. No irritancy to rabbit eyes and skin. Acute inhalation toxicity for rat is LC₅₀（4h）>0.33mg/L. Feeding test for two years and no effect dosage for rat is 250mg/kg, for dog 100mg/kg. Acute oral toxicity for Japanese quail is LD₅₀1875-1930mg/kg. Rainbow trout is LC₅₀（96h）326mg/L.
Application: It is applied on sugar beet and fodder beet. It is mainly used to prevent and kill of monocotyledonous and dicotyledonous weeds such as nightshade, chickweed, poa annua, red deadnettle, amur foxtail and catchweed.