311421
Perchloric acid
70%, 99.999% trace metals basis
Synonym(s):
PCA
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About This Item
Linear Formula:
HClO4
CAS Number:
Molecular Weight:
100.46
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Assay:
70%, 99.999% trace metals basis
Concentration:
≥70-- < 90%
Form:
liquid
vapor pressure
6.8 mmHg ( 25 °C)
Quality Level
assay
70%, 99.999% trace metals basis
form
liquid
reaction suitability
reagent type: oxidant
concentration
≥70-- < 90%
bp
ca.203 °C/at 1.013 hPa
mp
18 °C
solubility
water: miscible (completely)
density
1.664 g/mL at 25 °C
cation traces
Al: ≤0.3 ppm, Ca: ≤0.3 ppm, Fe: ≤ 0.1 ppm, Na: 3.1 ppm, Zn: ≤ 0.1 ppm
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
Application
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.
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.
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signalword
Danger
hcodes
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
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
flash_point_f
Not applicable
flash_point_c
Not applicable
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Perchloric acid-doped polyaniline as an efficient and reusable catalyst for the synthesis of 2-substituted benzothiazoles
Abdollahi-Alibeik M, et al.
Phosphorus, Sulfur, and Silicon and the Related Elements, 184(12), 3182-3190 (2009)
Vander Voort GF, et al.
Metallography, Principles and Practice By George F. Vander Voort null
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)