CAS号:1861-32-1
品名:氯酞酸甲酯chlorthal-dimethyl
中文别名:TCTP;2,3,5,6-四氯-1,4-苯二甲酸甲酯;氯酞酸二甲酯;2,3,5,6-四氯对苯二甲酸二甲酯;四氯对苯二甲酸二甲酯;二甲基敌草索;敌草索;
英文别名:DIMETHYL2,3,5,6-TETRACHLOROTEREPHTHALATE;dimethyltetrachloroterephthalate;TetrachloroterephthalicAcidDimethylEster;Tetral;Dacthalor;dimethyl2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate;Chlorthal-dimethyl,Dimethyltetrachloroterephthalate;Tetrachloroterephthalicaciddimethylester;Chlorthal-methyl;Fatal;DCPA;1,4-dimethyl2,3,5,6-tetrachloro-1,4-benzenedicarboxylate;chlorthal;DimethylTetrachloroterephthalate;dacthal;Dimethyltetrachloroterephthalate;dimethyl2,3,5,6-tetra-chloroterephthalate;DIMETHYLTETRACHLOROTEREPHTHALATE;Chlorthal-dimethyl;
分子式:C10H6Cl4O4
分子量:331.964
精确质量:329.902
Psa:52.6
RTECS号:WZ1500000
BRN号:1888840
EINECS号:217-464-7
MDL号:MFCD00014902
外观与性状:无色,结晶固体
密度:1.558g/cm3
沸点:422ºC at 760mmHg
熔点:155-156°C
闪点:174.7ºC
折射率:1.564
稳定性:Stable in the pure state stable to UV irradiation.
储存条件:Keep closed in a cool, dry place. Store only with compatible chemicals.
蒸汽压:2.5E-07mmHg at 25°C
安全说明:S22-S24/25
海关编码:2917399090
简介:Dimethyltetrachloroterephthalate(DCPA,Dacthal)isanorganiccompoundwiththeformulaC6Cl4(CO2CH3)2.Itisacolourlesssolid,althoughcommercialsamplescanbeoffwhite.DCPAisthedimethylesteroftetrachloroterephthalicacid.Itisusedasapreemergentherbicide.Itkillsgrassandmanycommonweedswithoutkillingsensitiveplantssuchasflowers,fruits,vegetables,turf,andcotton.DCPAwasfirstregisteredforuseintheUnitedStatesin1958.ProductionofDCPAwaseventuallydiscontinuedbyISKBiosciencesin1998,butthelargemanufacturingcompanyAMVACbeganproducingtheproductin2001foruseinAmerica.Sigma-AldrichalsomanufacturesDCPAforuseintheUSAunderthenamePestanal.InAustralia,DCPAistheactiveingredientinagchemcompanyFarmalinx'sherbicidecalledDynamo750.Currently,DCPAisonlyusedforeggplant,kale,turnips,andsweetpotatoes.
用途:除草剂。对萌发至二叶期的稗草有显著的活性,对旱地马唐等芽前杂草也有良好的防除效果。