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This list is incomplete; you can help by adding missing items. ( December 2010 ) A highly hazardous chemical , also called a harsh chemical, is a substance classified by the American Occupational Safety and Health Administration as material that is both toxic and reactive and whose potential for human injury is high if released.
40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) (July 1, 2008 ed.), Government Printing Office, archived from the original (PDF) on 2012-02-25
Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.
Cadmium is a naturally occurring toxic metal with common exposure in industrial workplaces, plant soils, and from smoking. Due to its low permissible exposure in humans, overexposure may occur even in situations where only trace quantities of cadmium are found.
Dimethyldioxirane (DMDO) is the organic compound with the formula (CH 3) 2 CO 2. [1] It is the dioxirane derived from acetone and can be viewed as the monomer of acetone peroxide.It is a powerful selective oxidizing agent that finds some use in organic synthesis.
Chemistry for Breakfast: The Amazing Science of Everyday Life (German: Komisch, alles chemisch! Handys, Kaffee, Emotionen – wie man mit Chemie wirklich alles erklären kann ) is a non-fiction book by Mai Thi Nguyen-Kim , published in 2019 by Droemer Verlag .
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The density implied by the adjective "heavy" has almost no biological consequences and pure metals are rarely the biologically active substance. [10] This characterization has been echoed by numerous reviews. [11] [12] [4] The most widely used toxicology textbook, Casarett and Doull’s toxicology [13] uses "toxic metal" not "heavy metals". [10]