WebDacthal is a pre-emergence herbicide. Tetrachloroterephthalic acid (TPA) and monomethyl tetrachloroterephthalic acid (MTP) are its environmental degradates; they are formed through ... Synonyms: Dacthal (registered trade name): chlorthal-dimethyl, dimethyl tetrachloroterephthalate; 1,4-benzenedicarboxylic acid, 2,3,5,6-tetrachloro-, … Dimethyl tetrachloroterephthalate (DCPA, with the main trade name Dacthal) is an organic compound with the formula C6Cl4(CO2CH3)2. It is the dimethyl ester of tetrachloroterephthalic acid, used as a preemergent herbicide with the ISO common name chlorthal-dimethyl. It kills annual grasses and … See more The use of DCPA as a herbicide was first described in a patent filed in 1958. The material was prepared as had been described in 1948 by treating terephthaloyl chloride with chlorine to give 2,3,5,6-tetrachloroterephthaloyl … See more Studies show that DCPA and TPA may cause detrimental health effects in laboratory animals, mainly weight loss and diarrhea occurring at doses of 2000 mg/kg/day. There were also effects on the lungs, liver, kidney, and thyroid glands of male and female rats. See more DCPA is released directly into the environment during its use as a herbicide. DCPA exists in both the vapor and particulate phases when exposed to the air. In the vapor … See more DCPA degrades via successive hydrolysis of the two ester linkages, first forming monomethyl tetrachloroterephthalate (MTP) then further to tetrachloroterephthalic … See more United States In the U.S. The Safe Drinking Water Act of 1996 has the U.S. EPA publish a list of contaminants … See more
Chlorthal - AERU
WebChlorthal-dimethyl (DCPA or dacthal) is an herbicide used for the pre-emergent control of annual grasses and broadleaf weeds. Chlorthal-dimethyl was first registered under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) in 1958 for the pre-emergence control of crabgrass. Chlorthal-dimethyl ranked 86 th WebChlorthal-dimethyl introduced by Diamond Alkali Co. (later ISK Biosciences Corp.). Patents: US 2923634. Manufacturers: Amvac. Microtubule assembly inhibition. Application: Selective non-systemic herbicide, absorbed by the coleoptiles (grasses) and hypocotyls. Kills germinating seeds. counter counter enclave
Chlorthal-dimethyl C10H6Cl4O4 - PubChem
WebJan 14, 2024 · Chlorthal-dimethyl is a selective benzoic acid herbicide. It has a low aqueous solubility and a low to moderate volatility. It is considered to be moderately … WebDec 13, 2024 · 17. The best known phenoxy herbicides are MCPA, 2,4-dichlorophenoxyacetic acid (2,4- D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5- T). 2,4,5-T was later found to be inherently contaminated with the dioxin 2,3,7,8- tetrachlorodibenzo-para-dioxin (TCDD), and has since been banned in most countries. 2,4-D may also … WebJan 19, 2006 · chlorthal-dimethyl. Concept Schemes: NALT Core. NALT Full. Broader Concept: aromatic acid herbicides. Entry Terms: dimethyl 2,3,5,6 … brenda thompson real estate