1928-37-6 Usage
Description
2,4,5-T-METHYL ESTER, also known as 2,4,5-trichlorophenoxyacetic acid methyl ester, is a synthetic chemical compound derived from 2,4,5-T, a widely used herbicide. It is characterized by its ability to mimic the growth hormones in plants, leading to uncontrolled growth and eventual death of the plant. This property makes it a potent herbicidal agent.
Uses
Used in Pesticide Industry:
2,4,5-T-METHYL ESTER is used as an active ingredient in pesticide compositions for the control of broadleaf weeds and woody plants in various agricultural settings. Its effectiveness in herbicidal applications is due to its ability to disrupt the hormonal balance in plants, causing rapid growth and subsequent death.
Used in Chemical Analysis:
2,4,5-T-METHYL ESTER is utilized as a reference compound in the analysis of herbicides by gas-liquid chromatography. This technique allows for the identification and quantification of phenoxy ester compounds, such as 2,4,5-T-METHYL ESTER, in environmental samples, including soil, water, and plant tissues.
Used in Environmental Monitoring:
2,4,5-T-METHYL ESTER is employed in the identification and analysis of phenoxy ester compounds in environmental monitoring programs. This is crucial for assessing the presence and potential impact of these chemicals on ecosystems and human health, as well as for regulatory compliance and risk assessment purposes.
Check Digit Verification of cas no
The CAS Registry Mumber 1928-37-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1928-37:
(6*1)+(5*9)+(4*2)+(3*8)+(2*3)+(1*7)=96
96 % 10 = 6
So 1928-37-6 is a valid CAS Registry Number.
InChI:InChI=1/C9H7Cl3O3/c1-14-9(13)4-15-8-3-6(11)5(10)2-7(8)12/h2-3H,4H2,1H3
1928-37-6Relevant articles and documents
Simultaneous extraction and methylation of acidic analytes adsorbed onto ion exchange resins using supercritical carbon dioxide containing methyl iodide
Chatfield,Croft,Dang,Murby,Yu,Wells
, p. 945 - 951 (2007/10/02)
Methylation of a wide range of organic acids with methyl iodide was simply and efficiently performed on anion exchange resins with either supercritical carbon dioxide or acetonitrile as solvents. Analytes including chlorophenoxyacetic acids, pentachlorophenol, and quinoxaline-2-carboxylic acid were displaced from the resin in a single step as their methyl esters or ethers in high yield using the supercritical fluid extraction (SFE) system. The conversion of 2,4-D and 2,4,5-T (solutions of 100 and 35 ppb, respectively) to their methyl esters was complete in 30 min and gave yields of 92% and 99% with coefficients of variation of 10%. Analytes in up to 200 mL of aqueous solution could be trapped on 0.1 g of AG MP-1 anion exchange resin and derivatized and eluted using methyl iodide in supercritical carbon dioxide at 200 bar and 80°C. Less acidic compounds including albendazole, fenbendazole, triclabendazole, and sulfadimidine could also be derivatized on the resin under SFE conditions or in a quick and inexpensive procedure using acetonitrile; however, these compounds gave lower yields and multiple methylated products.
