highly toxic

highly toxic

adjective Referring to a chemical that:
(1) Has a median lethal dose (LD50) of ≤ 50 mg/kg when administered orally to 200–300 g albino rats; or
(2) Has an LD50 of ≤ 200 mg/kg when administered by continuous contact for 24 hours on the shaved skin of 2.0–3.0 kg albino rabbits; or
(3) Has an LD50 of ≤ 200 ppm of volume of gas or vapour, or ≤ 2 mg/L of mist or dust, when administered by continuous inhalation to 200–300 g albino rats.

highly toxic

Occupational medicine adjective Referring to a chemical that 1. Has a median lethal dose–LD50 of ≤ 50 mg/kg when administered orally to 200-300 g albino rats 2. Has an LD50 of ≤ 200 mg/kg when administered by continuous contact for 24 hrs on the shaved skin of 2.0-3.0 kg albino rabbits 3. Has an LD50 of ≤ 200 ppm of volume of gas or vapor, or ≤ 2 mg/L of mist or dust, when adminstered by continuous inhalation to 200-300 g albino rats
References in periodicals archive ?
The six aluminium flasks each contain 30 three-gram green/grey tablets, which emit a highly toxic gas when they come in contact with water.
Washington, June 27 ( ANI ): A new study has found that chemical used to make tofu and bath salts could also replace a highly toxic and expensive substance used to make solar cells.
THE combination of Pat Flynn and Danny Grant should double-up with Highly Toxic and Waydownsouth on today's flat card in Tramore.
A PSD statement said that Anti-Narcotics Administration personnel had "detected an activity to promote and trade in an industrial substance, made up of unknown herbs, to which highly toxic chemical substances had been added, and sold in small plastic bags at exorbitant prices.
Zhongshan's reformation of designated sales of highly toxic pesticides initiated in 2003 has been failed and the management of highly toxic pesticides in the city faces chaotic condition so far.
Throughout the industrialized world, people are accumulating a low-level body burden of toxic dioxins and furans, including the highly toxic TCDD (SN:7/13/85, p.
Until today, the creation of chlorine dioxide has required the use of complex chemical facilities and/or highly toxic chemical additives.
For months now, Garcetti's office has had information on possible criminal conduct in construction of Belmont, which is being built on a highly toxic oil field.
The researchers are also conducting studies that phase out the antimony, which is highly toxic and needs to be given intravenously.
With the worldwide prevalence of cancer and HIV/AIDS estimated at approximately 17 million and 46 million people respectively in 2004, there is increasing demand for effective therapeutics to delay disease progression, reduce dependence on highly toxic drug regimens, and improve the quality of life for patients.
That's clearly inappropriate when we're talking about an agency that is in place to regulate the use of highly toxic chemicals.
The typical process for manufacturing the semiconductor gallium arsenide requires the use of a gallium compound and a highly toxic, arsenic-containing gas at a high temperature.
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