Description

Formaldehyde Clear liquid.The solution gives up formaldehyde vapors readily. These vapors are flammable over a wide vapor-air concentration range. Water soluble.The probable oral lethal dose for humans is 0.**5 g/kg, or between 1 ounce and 1 pint for a **0 pound person. Acute *- below 1 ppm, odor perceptible to most. **3 ppm, mild tingling of eyes. **5 ppm, increased discomfort, mild lacrimation. *0 ppm, profuse lacrimation; can be withstood only for few minutes. ****0 ppm, breathing difficult, cough, severe burning of nose and throat. *****0 ppm, acute irritation of respiratory tract, very serious injury likely. Skin *- primary irritation from strong solutions, gas. Delayed *- sensitization dermatitis. Suspected carcinogen. Effects in women include menstrual disorders and secondary sterility. Solutions splashed in eyes have caused injuries ranging from severe, permanent corneal opacification and loss of vision to minor discomfort. In people sensitized to formaldehyde, late asthmatic reactions may be provoked by brief exposures at approximately 3 ppm.