MONOCROTOPHOS
COMMON NAME: MONOCROTOPHOS
CHEMICAL NAME: Dimethyl (E) –1 –methyl –2 – (methylcarbamoyl)
Monocrotophos 80% technical
Monocrotophos 75% technical
Monocrotophos 74% technical
Monocrotophos 73% technical
Monocrotophos 72% technical
Monocrotophos 70% technical
Monocrotophos 400g/l sl
Monocrotophos 600g/l sl
Monocrotophos 340g/l ec
PROPERTIES: PURE IS COLOURLESS CRYSTALS, M.P. 54 –55℃B.P. 120 –125℃/ 3×10-6mmHg,
RELATIVE DENSITY 1.33/30℃ ; SOLUBILITY AT 20 ℃ (g/kg): 1000 IN WATER, 700 IN ACETONE800 IN
DICHLOROMETHANE, 1000 IN METHAN-
OL, 250 IN OCTANOL,60 IN TOLULENE. HEAT STABILITY IS NOT GOOD, EASILY DECOMPOSES WITH ALKALI
AND LOSES ITS EFFICACY. HALF LIFE 22 DAYS AT pH 7/38℃, 4 DAYS AT pH 9/38℃.
USES: IT IS AN ORGANOPHOSPHOROUS INSECTICIDE, USED TO CONTROL MANY INSECTS SUCH AS
COTTONAPHID, AMERICA BOLLWORM,SPOTTED SPIDER, COTTONLEAT CATERPILLAR, COTTONLEAF WORM,
THRIPS. IT ALSO HAS GOOD EFFICACY FOR CONTROL INSECTS ON RICE, FRUIT SUCH AS STEM BORER,
YELLOW RICE BORER, RICE LEAF ROLLER, GREEN LEAFHOPER, PLANTHOPPER, RED SPIDER AND ETC.
PERSISTANCE PERIOD 7 –10 DAYS.
TOXICITY: ACUTE ORAL LD50 FOR RATS 13 –23 mg/kg, FOR MICE 10-15 mg/kg.
久 效 磷
通用名稱:monocrotophos
化學(xué)名稱:0,0-二甲基-0-[1-甲基-2-(甲基氨基甲酰)]乙烯基磷酸脂
性質(zhì):純品為無(wú)色結(jié)晶,熔點(diǎn)54-55°C,沸點(diǎn)120-125°C (3×10-3mmHg),相對(duì)密度1.33(30°C),
折光率1.4738(25°C )。20°C時(shí)溶解度(g/Kg):水1000,丙酮700,二氯甲烷800,甲醇1000,辛醇
250,甲苯60。熱穩(wěn)定性差,遇堿易分解失效,38°C下,當(dāng)PH=7時(shí),半衰期為22天;當(dāng)PH=9時(shí),半衰期為
4天。
用 途: 久效磷是有機(jī)磷殺蟲(chóng)劑,作用多種害蟲(chóng)如棉蚜、棉紅蜘蛛、棉鈴蟲(chóng)、棉造橋蟲(chóng)、斜紋夜蛾、 薊
馬等效果顯著;對(duì)水稻害蟲(chóng)如二化螟、三化螟、稻縱卷葉螟、黑尾葉蟬、稻飛虱;果樹(shù)害蟲(chóng)如山揸紅蜘蛛
、蘋(píng)果頂稍卷葉蛾等也有較好防治效果。殘效期為7-10天。
毒性:大鼠口服LD50為13-23mg/Kg;小鼠口服為10-15mg/kg。
包裝:(1)40%乳油為0.5Kg玻璃瓶裝,再放入鈣塑箱內(nèi),每箱凈重20Kg,也可用200升內(nèi)涂聚丙烯鐵 桶
包裝。2) 80%、73%、70%原油和600g/l可溶性濃劑,40%、50%可溶性濃劑為200升內(nèi)涂聚丙烯鐵桶包