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77234 Sigma-Aldrich

Perchloric acid

puriss. p.a., ACS reagent, packed in coated, shock- and leak-protected glass bottle, ≥60% (T)

Synonym: PCA

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Properties

Related Categories ACS Grade Acids & Bases, Acids, Acids & Bases, Analytical Reagents, Analytical Reagents for General Use,
Quality Level   200
grade   ACS reagent
  puriss. p.a.
assay   ≥60% (T)
form   liquid
quality   packed in coated, shock- and leak-protected glass bottle
impurities   ≤0.00005% free chlorine (Cl)
  ≤0.001% total nitrogen (N)
ign. residue   ≤0.003% (as SO4)
density   1.670 g/cm3
anion traces   chlorate (ClO3-): ≤10 mg/kg
  chloride (Cl-): ≤3 mg/kg
  phosphate, silicate (as SiO2): ≤5 mg/kg
  sulfate (SO42-): ≤10 mg/kg
cation traces   Ag: ≤0.1 mg/kg
  Al: ≤0.05 mg/kg
  As: ≤0.05 mg/kg
  Ba: ≤0.02 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.05 mg/kg
  Cu: ≤0.1 mg/kg
  Fe: ≤1 mg/kg
  K: ≤0.1 mg/kg
  Li: ≤0.02 mg/kg
  Mg: ≤0.5 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.05 mg/kg
  Ni: ≤0.1 mg/kg
  Pb: ≤0.05 mg/kg
  Sr: ≤0.02 mg/kg
  Tl: ≤0.05 mg/kg
  Zn: ≤0.1 mg/kg
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

General description

Perchloric acid (HClO4), an oxygen acid of chlorine, is a colorless liquid. It is strongly acidic in nature. Hydrates of perchloric acid are obtained on its dissolution in water.

Other Notes

Reagent for the decomposition of metals and organic compounds (danger of explosions)

Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Target organs 
Thyroid
RIDADR 
UN 1873 8(5.1) / PGI
WGK Germany 
WGK 1
Protocols & Articles

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Peer-Reviewed Papers
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References

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