农残、兽药及化肥类
CAS号：87674-68-8
品名：二甲吩草胺dimethenamid
中文别名：(RS)-2-氯-N-(2,4-二甲基-3-噻酚)-N-(2-甲氧基-1-甲基乙基)乙酰胺;2-氯-N-(2,4-二甲基-3-噻吩基)-N-(2-甲氧基-1-甲基乙基)乙酰胺;二甲酚草胺;
英文别名：(RS)-2-chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxy-1-methylethyl)acetamide;rac-2-chloro-N-(2,4-dimethylthiophen-3-yl)-N-[(2R)-1-methoxypropan-2-yl]acetamide;San682H;2-chloro-N-(2,4-dimethylthiophen-3-yl)-N-(1-methoxypropan-2-yl)acetamide;2-chloro-N-(2,4-dimethyl-3-thienyl)-N-(2-methoxy-1-methylethyl)acetamide;FrontierHerbicide;
分子式：C12H18ClNO2S
分子量：275.795
精确质量：275.075
Psa：57.78
EINECS号：618-045-5
外观与性状：黄色-棕色粘性液体
密度：1.195 g/cm3
沸点：382.9ºC at 760 mmHg
闪点：185.4ºC
折射率：1.551
储存条件：库房通风低温干燥,与氧化剂、酸类、食品添加剂分开存放
危险类别码：R22
海关编码：2934999026
危险品标志：Xn
简介：Dimethenamidisawidelyusedherbicide.In2001,about7millionpoundsofdimethenamidwereusedintheUnitedStates.Dimethenamidisregisteredforcontrolofannualgrasses,certainannualbroadleafweedsandsedgesinfieldcorn,seedcorn,popcornandsoybeans.Supplementallabelingalsoallowsuseonsweetcorn,grainsorghum,drybeansandpeanuts.Inregisteringdimethinamide(SAN582H/Frontier),EPAconcludedthattheprimarymeansofdissipationofdimethenamidappliedtothesoilsurfaceisphotolysis,whereasbelowthesurfacelosswasduelargelytomicrobialmetabolism.Theherbicidewasfoundtoundergoanaerobicmicrobialdegradationunderdenitrifying,iron-reducing,sulfate-reducing,ormethanogenicconditions.Inthatstudy,morethanhalfoftheherbicidecarbon(basedon14C-labeling)addedwasfoundtobeincorporatedirreversiblyintosoil-boundresidue.
