CAS Registry Number

CAS 359-40-0 — Oxalyl fluoride

Oxalyl fluoride is a highly reactive organofluorine compound primarily used as a fluorinating agent in organic synthesis, pharmaceuticals, and agrochemical manufacturing. It converts carboxylic acids into acid fluorides, enabling further derivatization. This colorless gas (or liquid under pressure) has a CAS number of 359-40-0, a molecular formula of C₂F₂O₂, and a molecular weight of 94.017 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies oxalyl fluoride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.