MOST C-nitroso compounds in the crystalline state exist as colourless dimers, though the monomers, often formed by dissociation in solution, are green or blue 1–3. Heating solutions of the ...

One group of chemicals that have recently come under scrutiny are halides, which are compounds containing halogen elements such as bromide, fluoride, chloride and iodine. Halide ions are a ...

The Food and Drug Administration has announced a recall for thousands of bottles of the antidepressant duloxetine, sold under brand names like Cymbalta, due to the presence of a chemical that can ...