| EINECS = 200-836-8 | RTECS = AB1925000 | ChemSpiderID=172 }} | Section2 = | Section3 = | Section7 = | SPhrases = | FlashPt = −39 °C | Autoignition = 185 °C }} | Section8 = }} Acetaldehyde (systematically: ethanal)'s an organic chemical compound with the formula CH3CHO or MeCHO. It's a flammable liquid. Acetaldehyde occurs naturally in ripe fruit, coffee, and bread, and's produced by plants as part of their normal metabolism. It's popularly known as a chemical that causes hango… (More on Acetaldehyde)