---
kind: "section"
citation: "21 C.F.R. § 201.312"
title: "21"
number: "201.312"
heading: "Magnesium sulfate heptahydrate; label declaration on drug products."
url: "https://uscodex.org/cfr/21/201.312"
---

# §201.312. Magnesium sulfate heptahydrate; label declaration on drug products.


Magnesium sulfate heptahydrate should be listed on the label of a drug product as epsom salt, which is its common or usual name.


## Notes

### Authority

Authority: 21 U.S.C. 321, 331, 343, 351, 352, 353, 355, 358, 360, 360b, 360ccc, 360ccc-1, 360ddd, 360ddd-1, 360ee, 360gg-360ss, 371, 374, 379e; 42 U.S.C. 216, 241, 262, 264.

### Source

Source: 40 FR 13998, Mar. 27, 1975, unless otherwise noted.