Description

Perchloric Acid CAS NO 7601-90-3 is a powerful mineral acid and a potent oxidizing agent, essential for demanding analytical and synthetic procedures. Its unique combination of strong acidity and high oxidizing potential makes it a critical reagent for precise material decomposition and the preparation of perchlorate salts. This high-purity chemical is indispensable for laboratories and industries requiring rigorous analytical standards, including electroplating, explosives manufacturing, and semiconductor etching.

Application

• Analytical Chemistry: Primary use as a digesting agent for the decomposition of organic matrices and challenging inorganic samples in trace metal analysis (e.g., ICP-MS, AAS).
• Electroplating & Metal Finishing: Key component in electrolytes for the electro-polishing and etching of metals, particularly for stainless steel and other alloys.
• Chemical Synthesis: Used in the preparation of perchlorate salts, which serve as oxidizers in pyrotechnics, explosives, and solid rocket propellants.
• Semiconductor Industry: Employed in microelectronics fabrication for precise etching and cleaning of silicon wafers and other substrates.
• Catalyst & Reagent: Acts as a catalyst in various organic synthesis reactions, including esterifications and polymerizations.
• Research & Development: Utilized in academic and industrial R&D for electrochemical studies and material science applications.

Basic Information

Product Name	Perchloric Acid
CAS No.	7601-90-3
Molecular Formula	HClO₄
Molecular Weight	100.46 g/mol
Synonyms	Hyperchloric Acid; Perchloric Acid (aqueous solution); HClO4; UN 1873; IUPAC: Chloric(VII) acid; Perchlorate(1-) hydrogen; Perchloric acid, 70% solution
EINECS	231-512-4

Quality Control

Our Perchloric Acid is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to relevant industry standards, and each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, impurity profiles, and specific gravity. We support compliance with global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from direct heat and incompatible materials such as organic compounds, strong bases, and reducing agents. Due to its properties as a strong acid/organic solvent, strong oxidizer, and highly volatile material, it must be handled and stored with extreme caution in dedicated acid storage cabinets with secondary containment.

Specification

Item	Specification
Appearance	Colorless, clear liquid
Identification (IR)	Conforms
Assay (HClO₄)	70.0 - 72.0 % w/w
Specific Gravity (20°C)	1.67 - 1.71
Residue after Ignition	≤ 0.003 %
Chloride (Cl)	≤ 0.0005 %
Sulfate (SO₄)	≤ 0.0005 %
Heavy Metals (as Pb)	≤ 0.0005 %
Iron (Fe)	≤ 0.0001 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.