Methanol (CH3OH) is the simplest saturated monohydric alcohol with CAS number 67-56-1 or 170082-17-4, molecular weight 32.04 and boiling point 64.7 C. It is also called "lignol" or "lignin" because it is first found in dry distilled wood. It is a colorless, alcoholic, volatile liquid. The lowest dosage of poisoning is about 100 mg/kg body weight. Oral intake of 0.3-1 g/kg can cause death. It is used to produce formaldehyde and pesticides, and as extractant of organic substances and denaturant of alcohol. The finished product is usually prepared by the reaction of carbon monoxide with hydrogen.