subchapter_subject: "FOOD FOR HUMAN CONSUMPTION (CONTINUED)"
part_code: "189"
part_subject: "SUBSTANCES PROHIBITED FROM USE IN HUMAN FOOD"
subpart_code: "D"
subpart_subject: "Substances Prohibited From Indirect Addition to Human Food Through Food-Contact Surfaces"
section_number: "189.250"
section_subject: "Mercaptoimidazoline and 2-mercaptoimidazoline."
cfr_reference: "21 CFR 189.250"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 170 to 199"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
(a)Mercaptoimidazoline and 2-mercaptoimidazoline both have the molecular formula C3H6N2S. They are synthetic chemicals not found in natural products and have been used in the production of rubber articles that may come into contact with food.
(b)Food containing any added or delectable levels of these substances is deemed to be adulterated in violation of the act based upon an order published in the Federal Register of November 30, 1973 (38 FR 33072).