severe irritation and burning of the eyes,
skin and mucous membranes. Harmful or fatal if swallowed, inhaled or if
absorbed through the skin. Chronic, low level exposure can lead to bone or dental
fluorosis. Fire may produce irritating, corrosive and/or toxic vapors (e.g.
ammonia, hydrogen fluoride, and nitrogen oxides). Firefighters should use full
protective equipment and clothing.
This product can cause irritation of the
skin with pain, itching and redness. Ammonium Bifluoride can cause severe
necrosis to tissue, with symptoms such as redness, itching, burns and scarring.
Burns may not be immediately visible or painful. Ammonium Bifluoride can cause
a unique, large, pustular skin rash, which is apparently not an irritant or
allergic dermatitis. As a fluoride compound, Ammonium Bifluoride has the
potential to decompose upon contact with moisture to form hydrofluoric acid,
which can penetrate the skin, causing destruction of the deep tissue layers,
including bone tissue. This damage to the body’s tissues may continue for days,
as the fluoride ion reacts with the calcium in the skin and bone. Severe
skin-contact exposures (especially when the skin contamination exceeds 160 cm 2) can lead to hypocalcemia, a
life-threatening lowering of serum calcium in the body.
Ammonium Bifluoride may be systematically
absorbed in lethal amounts through intact skin. Effects may be delayed and not
felt for hours.
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