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Perchloric acid, solution 20% w/w, EssentQ®

- HClO4
- M = 100,46 g/mol
- CAS [7601-90-3]
- EINECS-No.: 231-512-4
- Density: 1,12 g/cm3
- Solub. in water: (20 ºC): miscible
- Refraction index: (n 20 ºC/D) 1,347
- LD 50 (oral, rat): 1100 mg/kg (anhydrous substance)
- EC-Index-No.: 017-006-00-4
- ADR: 8 CO1 II UN 1802
- IMDG: 8 II UN 1802
- IATA/ICAO: 8 II UN 1802
- GHS-signal word: Danger
- GHS-H sentences: H272 - H314
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P405 - P501a
- Tariff number: 2811 19 80 90
- Applications: analytical chemistry, laboratory reagent, oxidizing agent, in explosive compositions.

SPECIFICATIONS
assay (acidimetric): approx. 20 %
chlorine (Cl): max. 0,0005 %
chlorates (ClO3): max. 0,005 %
chlorides (Cl): max. 0,001 %
phosphates and silicates (as SiO2): max. 0,002 %
sulfates (SO4): max. 0,003 %
nitrogen compounds (as N): max. 0,005 %
arsenic (As): max. 1 ppm
iron (Fe): max. 5 ppm
lead (Pb): max. 5 ppm
nickel (Ni): max. 5 ppm
residue on ignition (as SO4): max. 0,01 %