Sodium Borate Reagents
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(Borax; Sodium Tetraborate), Na2B4O7 · 10H2O 381.37 CAS RN®: 1303-96-4.—Use ACS reagent grade.
[Note—Certified Borax is available from the National Institute of Standards and Technology, Washington, DC, www.nist.gov, as standard sample No. 187.]

