Sulfuric Acid, Fuming
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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)
H2SO4 plus free SO3 CAS RN®: 8014-95-7.—having a nominal content of 15%, 20%, or 30% of free SO3—Use ACS reagent grade (containing between 15.0% and 18.0%, between 20.0% and 23.0%, or between 30.0% and 33.0% of free SO3).
