311421

Sigma-Aldrich

Perchloric acid

70%, 99.999% trace metals basis

Synonym(s):
PCA
Linear Formula:
HClO4
CAS Number:
Molecular Weight:
100.46
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

vapor pressure

6.8 mmHg ( 25 °C)

assay

70%
99.999% trace metals basis

form

liquid

density

1.664 g/mL at 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

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Application

Perchloric acid can be used as:      
  •   A reaction medium in oxidation reactions.       
  • A reagent for the preparation of fluorinated polymer electrolytes using poly (vinylidenefluoride-cohexafluoropropylene) (PVDF-HFP) for fuel cell applications.        
  • A dopant in the preparation of perchloric acid-functionalized polyaniline (HClO4/PANI) catalyst for the synthesis of 2-substituted benzothiazoles by condensation reaction between o-aminothiophenol with aldehydes.

Perchloric acid (HClO4) can be used in the preparation of:
  • Silica supported perchloric acid (HClO4-SiO2) which is used as a catalyst in geminal diacylation of aldehydes, synthesis of amidoalkyl naphthols, primary carbamates, and tetrasubstituted imidazoles.
  • Alumina supported perchloric acid (Al2O3-HClO4), which is used as a catalyst in the synthesis of α-(α-amidobenzyl)-β-naphthols.
  • Fe3O4@SiO2-HClO4 catalyst, which is used in the synthesis of 1,4-dihydropyridine derivatives.

Packaging

1 L in glass bottle
50, 250 mL in glass bottle

Signal Word

Danger

Target Organs

Thyroid

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

O,C

Risk Statement

5-8-22-35

Safety Statement

26-36/37/39-45

RIDADR

UN 1873 8(5.1) / PGI

WGK Germany

WGK 1

A manual for the chemical analysis of metals null
Perchloric acid doped fluorinated polymer membranes for fuel cell applications
Selvakumar K, et al.
Proceedings, 3(6), 1409-1414 (2016)
Kinetics and mechanism of ethylenediaminetetraacetic acid-, 2, 2?-bipyridyl-, and 1, 10-phenanthroline-assisted chromium (VI) oxidation of 2-propanol
Khan Z et al.
Transition Metal Chemistry, 27(8), 832-839 (2002)
Silica supported perchloric acid (HClO4-SiO2): an efficient reagent for the preparation of primary carbamates under solvent-free conditions
Modarresi-Alam AR, et al.
Tetrahedron, 63(36), 8723-8726 (2007)
Preparation of 1, 4-dihydropyridine derivatives using perchloric acid adsorbed on magnetic Fe3O4 nanoparticles coated with silica
Shafiee M, et al.
Current Nanoscience , 9(2), 197-201 (2013)

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