What regulatory guidelines apply to Phosphonic acid, potassium salt (1:1) (CAS: 13977-65-6)?

Phosphonic acid, potassium salt (1:1) (CAS: 13977-65-6) is subject to regulatory guidelines under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), REACH regulations, and FDA/EPA requirements for those using it in consumer and industrial products. Manufacturers and importers must comply with GHS hazard communication standards, REACH registration, authorization, and restriction requirements, and adhere to EPA regulations for handling and disposing of chemicals.