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Originally Posted by RaNkeri
there is about 0,5-1 mg of sodium fluoride in a litre of water. For a person who weighs 70 kg harmful dose of sodium fluoride would be 5-10 g in a day. That means you'd have to drink ludicrous amounts of water. You'd die of water intoxication before getting fluoride poisoning.
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So what you're saying is that a poison is no long a poison anymore because its in low amounts? How does it stop being a poison and turn into a medicine through dilution? Because poisons usually stay poisons. Also, What about the cumulative effects over many years?
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Composition/Information on Ingredients
Ingredient CAS No Percent Hazardous --------- Sodium Fluoride 7681-49-4 100% Yes
3. Hazards Identification
Emergency Overview -------------------------- DANGER! MAY BE FATAL IF SWALLOWED OR INHALED. AFFECTS RESPIRATORY SYSTEM, HEART, SKELETON, CIRCULATORY SYSTEM, CENTRAL NERVOUS SYSTEM AND KIDNEYS. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. IRRITATION EFFECTS MAY BE DELAYED. .... Health Rating: 3 - Severe (Poison) .... Proper Shipping Name: SODIUM FLUORIDE, SOLID Hazard Class: 6.1 UN/NA: UN1690 Packing Group: III Information reported for product/size: 250LB http://www.jtbaker.com/msds/englishhtml/S3722.htm
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And you can call up that number on the Material Safety Data Sheet and ask them if that should be added to drinking water.