http://en.wikipedia.org/wiki/Dihydrogen_monoxide_hoax
The dihydrogen monoxide FAQ is an entertaining read:
http://www.dhmo.org/facts.html
From the Material Safety Data Sheet (MSDS) [1]:
"CARCINOGENIC EFFECTS: Not available. MUTAGENIC EFFECTS: Not available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available."
"Precautions: No specific safety phrase has been found applicable for this product"
"Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation: Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise."
"Small Spill: Mop up, or absorb with an inert dry material and place in an appropriate waste disposal container.
Large Spill: Absorb with an inert material and put the spilled material in an appropriate waste disposal"
"Personal Protection: Safety glasses. Lab coat."
[1] http://www.sciencelab.com/msds.php?msdsId=9927321
From the Material Safety Data Sheet (MSDS) [1]:
"CARCINOGENIC EFFECTS: Not available. MUTAGENIC EFFECTS: Not available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available."
"Precautions: No specific safety phrase has been found applicable for this product"
"Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation: Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise."
"Small Spill: Mop up, or absorb with an inert dry material and place in an appropriate waste disposal container.
Large Spill: Absorb with an inert material and put the spilled material in an appropriate waste disposal"
"Personal Protection: Safety glasses. Lab coat."
[1] http://www.sciencelab.com/msds.php?msdsId=9927321