CAS Registry Number

CAS 16672-87-0 — 2-Chloroethylphosphonic acid

2-Chloroethylphosphonic acid is an organophosphorus compound primarily used as a plant growth regulator, particularly for ethephon-based products that promote fruit ripening, flower induction, and leaf drop in agriculture. It is also employed in research and industrial applications requiring controlled ethylene release. This chemical has a CAS number of 16672-87-0, with the molecular formula C2H6ClO3P and a molecular weight of 144.494 g/mol. It can be stored at ambient conditions and does not carry a signal word under standard hazard classifications. Molekula supplies 2-Chloroethylphosphonic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.