HCIO₄ F.W.: 100.46 NFPA#: 3-0-1 Specific Gravity: 1.660 DOT: 1/8/I Descriptions: Trace metal grade. Low ppb metal impurities. Note: Results reported at time of bottling in glass. The levels of Al, B, Ca, K, Mg, Mn, Na, and Si will increase over time.

HClO₄ CAS#: 7601-90-3 F.W.: 100.46 Similar to redistilled grade with guaranteed trace metal specifications. Packed in fluorinated bottles to minimize boron and silicon contamination.

Perchloric acid, CAS 7601-90-3, is a mineral acid with the formula HClO4. Usually found as an aqueous solution, this colorless compound is a stronger acid than sulfuric acid and nitric acid. Perchloric acid is useful for preparing perchlorate salts, especially ammonium perchlorate, an important…