Any material containing crystalline silica is hazardous if its use or misuse results in release of the silica into the air that people could breath. If Hardiflex II contain crystalline silica it may be hazardous, if it contains amorphous silica, not.
No, while colorless silica gel is non-toxic, the dopants used as color moisture indicator in silica gel (such as cobalt (II) chloride) are carcinogens and are quite toxic.
Titanium(II) Oxide [TiO]
David J. Hayes has written: 'Superfund II' -- subject(s): Economic aspects, Economic aspects of Hazardous waste sites, Hazardous waste, Hazardous waste sites, Law and legislation
type II alveolar cells
Crystal Castles ( II )
The compound containing copper and sulfur is called copper(II) sulfide.
The class of Tin II Fluoride is an inorganic compound. It is a metal fluoride containing tin in the +2 oxidation state.
The compound configuration containing lead II ion is lead(II) nitrate, with the chemical formula Pb(NO3)2. Lead II ion has a +2 charge, which is why it is designated as "II" in its naming.
An example is the chromium chloride: CrCl2.
There are many songs containing the lyrics "at the end of the road." The most popular one may be Boyz II Men's "End of the Road."
The packaging group I, II, or III classification determines the level of risk associated with transporting hazardous materials. Group I materials have the highest level of risk, while Group III materials have the lowest risk. This classification is used to help ensure proper handling and transportation of hazardous materials.
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