1.00517

Perchloric acid 70%

Suprapur^®

• Synonym(s): Perchloric acid, PCA
• Linear Formula: HClO₄
• CAS Number: 7601-90-3
• Molecular Weight: 100.46
• UNSPSC Code: 12352301
• NACRES: NA.21
• MDL number: MFCD00011325
• Assay: 69-72%
• Form: liquid

Properties

• Quality Level: 100
• description: for inorganic trace analysis
• assay: 69-72%
• form: liquid
• bp: 198.7 °C/1013 hPa
• mp: -18 °C
• density: 1.68 g/cm³ at 20 °C
• storage temp.: 15-25°C
• SMILES string: OCl(=O)(=O)=O
• InChI: 1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)
• InChI key: VLTRZXGMWDSKGL-UHFFFAOYSA-N

Description

Analysis Note

• Assay (acidimetric): 69 – 72%
• Colour: ≤ 10 Hazen
• Chloride (Cl): ≤ 1000 ppb
• Phosphate (PO₄): ≤ 100 ppb
• Sulphate (SO₄): ≤ 1000 ppb
• Ag (Silver): ≤ 1 ppb
• Al (Aluminium): ≤ 5 ppb
• As (Arsenic): ≤ 0.5 ppb
• Au (Gold): ≤ 0.5 ppb
• Ba (Barium): ≤ 1 ppb
• Be (Beryllium): ≤ 0.5 ppb
• Bi (Bismuth): ≤ 0.5 ppb
• Ca (Calcium): ≤ 30 ppb
• Cd (Cadmium): ≤ 1 ppb
• Co (Cobalt): ≤ 0.5 ppb
• Cr (Chromium): ≤ 5.0 ppb
• Cu (Copper): ≤ 0.5 ppb
• Fe (Iron): ≤ 20 ppb
• Ga (Gallium): ≤ 0.5 ppb
• Ge (Germanium): ≤ 0.5 ppb
• Hg (Mercury): ≤ 5 ppb
• In (Indium): ≤ 0.5 ppb
• K (Potassium): ≤ 5 ppb
• Li (Lithium): ≤ 0.5 ppb
• Mg (Magnesium): ≤ 5 ppb
• Mn (Manganese): ≤ 1 ppb
• Mo (Molybdenum): ≤ 0.5 ppb
• Na (Sodium): ≤ 20 ppb
• Ni (Nickel): ≤ 2 ppb
• Pb (Lead): ≤ 1 ppb
• Pd (Palladium): ≤ 1 ppb
• Pt (Platinum): ≤ 5 ppb
• Sb (Antimony): ≤ 0.5 ppb
• Sn (Tin): ≤ 1 ppb
• Sr (Strontium): ≤ 0.5 ppb
• Ti (Titanium): ≤ 1 ppb
• Tl (Thallium): ≤ 0.5 ppb
• U (Uranium): ≤ 0.5 ppb
• V (Vanadium): ≤ 0.5 ppb
• Zn (Zinc): ≤ 5 ppb
• Zr (Zirconium): ≤ 0.5 ppb
• Residue on ignition (as sulphate): ≤ 2000 ppb
• Actual analysis values are subject to unavoidable systematic variations in this concentration range

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• signalword: Danger
• pcodes: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 1 - Skin Corr. 1A - STOT RE 2
• target_organs: Thyroid
• Storage Class: 5.1A - Strongly oxidizing hazardous materials
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• pictograms: GHS03,GHS08,GHS05,GHS07
• hcodes: H271,H290,H302,H314,H373