eCFR Reference Browser

---

title: "21 CFR §182.1711"

source: "https://www.ecfr.gov/current/title-21/section-182.1711"

title_number: "21"

volume_number: "3"

chapter_number: "Unknown"

subchapter_code: "B"

subchapter_subject: "FOOD FOR HUMAN CONSUMPTION (CONTINUED)"

part_code: "182"

part_subject: "SUBSTANCES GENERALLY RECOGNIZED AS SAFE"

subpart_code: "B"

subpart_subject: "Multiple Purpose GRAS Food Substances"

section_number: "182.1711"

section_subject: "Silica aerogel."

cfr_reference: "21 CFR 182.1711"

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)Product. Silica aerogel as a finely powdered microcellular silica foam having a minimum silica content of 89.5 percent.

(b)[Reserved]

(c)Limitations, restrictions, or explanation. This substance is generally recognized as safe when used as a component of an anti-foaming agent in accordance with good manufacturing practice.

§182.1711 - Silica aerogel.