Home > FDA Additives > P-4000--PROHIBITED
Toxicology information: The substance was formerly approved as a food additive but is now banned; there may be some toxicology data available.
Chemical Abstract Service (CAS) Registry Number for the substance or a numerical code assigned by CFSAN to those substances that do not have a CAS Registry Number (888nnnnnn or 977nnnnnn-series): 000553-79-7
Regulation numbers in Title 21 of the U.S. Code of Federal Regulations where the chemical appears: