DIYbanter - View Single Post

wrote:
Joe wrote:
You might be confusing this with another potassium compound.
I assume he refers to K2Cr2O7 which is useful in photographic
processing among other uses, and, as a matter of fact, is the active
ingredient in an over-the-counter headache remedy...cannot remember
the name.
Basically it is an oxidizer.

Not correct at all. Read the MSDS on potassium dichromate.

Toxic as all hell, and a very well-known carcinogen.

Trivalent chromium is an essential nutrient and might be found
in a headache medecine. Hexavalent chromium is quite toxic
but fortunately, poorly absorbed via the digestive track (due to
the pH of stomache acid) for most people. Inhalation of the
dust is another matter.

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FF