2,4,5-T


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2,4,5-T

(organic chemistry)
References in periodicals archive ?
The VA and chemical manufacturers decided it was less expensive to pay off the relative few who claimed harm than it would be to fight in court, and not to fight banning 2,4,5-T.
I challenge Gregory to produce a single scientifically sound, peer-reviewed study showing conclusive harm to humans from either 2,4-D or 2,4,5-T herbicide use.
Dow, along with other chemical manufacturers, had acquired the right to produce 2,4-D and 2,4,5-T at the end of the Second World War.
In 1970 came an embarrassing admission from Dow vice-president Julius Johnson, testifying before a House Subcommittee on the "Effects of 2,4,5-T on Man and the Environment," chaired by Michigan Senator Philip Hart.
2,4-D has other dioxins that have been considered less toxic than the 2,4,5-T contaminants.
Without directly addressing the considerable "margin of safety" Newton wants to associate with exposure to pesticides such as 2,4,-D and 2,4,5-T, it is interesting that the only mechanism of toxicity his commentary endeavors to consider worthy of our concern is that of acute toxicity.
That doesn't seem the sort of path one would expect a careful institution such as Veteran Affairs to follow if it actually considered 2,4-D and 2,4,5-T to be harmless.
These herbicides were contaminated with minute amounts of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD, also known as dioxin), a by-product of the manufacturing process for 2,4,5-T.
In a paper given at the same meeting, Lennart Hardell reported on fat biopsies taken from seven such workers who had presumably received brief (two-week to 10-month) but substantial exposures to 2,4,5-T between 20 and 30 years ago, and who now have sarcomas.
Though they found trace residues in the edible portion of fish from certain regions in the Great Lakes and elsewhere, they said, "the presence of 2,3,7,8-TCDD in fish does not appear to be widespread, but rather is localized in areas near 2,4,5-TCP and 2,4,5-T production sites.