21 CFR § 182.2729 - Sodium calcium aluminosilicate, hydrated.

---
identifier: "/us/cfr/t21/s182.2729"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 182.2729 - Sodium calcium aluminosilicate, hydrated."
title_number: 21
title_name: "Food and Drugs"
section_number: "182.2729"
section_name: "Sodium calcium aluminosilicate, hydrated."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "182"
part_name: "SUBSTANCES GENERALLY RECOGNIZED AS SAFE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 342, 348, 371."
regulatory_source: "42 FR 14640, Mar. 15, 1977, unless otherwise noted."
cfr_part: "182"
---


# 182.2729 Sodium calcium aluminosilicate, hydrated.

(a) *Product.* Hydrated sodium calcium aluminosilicate (sodium calcium silicoaluminate).

(b) *Tolerance.* This substance is generally recognized as safe for use at a level not exceeding 2 percent in accordance with good manufacturing practice.