What regulatory guidelines apply to (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[bis(2-methyl-2-propanyl)phosphine] (CAS: 856405-77-1)?

This compound falls under the regulation of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), which includes specific hazard classification and labeling requirements. Additionally, it must comply with REACH regulations for substances in the European Union, including registration, evaluation, authorization, and restriction. For FDA and EPA purposes, compliance is required for any products containing this compound, particularly in terms of safety, environmental impact, and handling.