Bergapten (C12H8O4, CAS 484-20-8), also known as 4-methoxyfuro[3,2-g]chromen-7-one, is a phytochemical classified under More Reference Substances. It has a molecular weight of 216.19 g/mol and sublimates at approximately 370°F (188°C). Bergapten exhibits potential hazards, including suspected skin sensitization, germ cell mutagenicity, and respiratory sensitization. Therefore, it carries the GHS signal word "Danger.

• CAS Number: 484-20-8
• Molecular Formula: C12H8O4
• Molecular Weight: 216.19
• Exact Mass: 216.04225873
• Melting Point: 370 °F (sublimes) (NTP, 1992)
• GHS Signal Word: Danger
• Hazard Statements:
• H317 (43.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]
• H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]