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30755

Acide perchlorique

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 70.0-72.0%

Synonyme(s) :

PCA

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A propos de cet article

Formule linéaire :
HClO4
Numéro CAS:
Poids moléculaire :
100.46
UNSPSC Code:
12352106
PubChem Substance ID:
MDL number:
Assay:
70.0-72.0%
Form:
liquid
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agency

USP/NF, reag. ISO, reag. Ph. Eur.

grade

ACS reagent, puriss. p.a.

assay

70.0-72.0%

form

liquid

impurities

≤0.00005% free chlorine (Cl), ≤0.0001% heavy metals (as Pb), ≤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

SMILES string

OCl(=O)(=O)=O

cation traces

Ag: ≤0.1 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.05 mg/kg, Ba: ≤0.02 mg/kg, Be: ≤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, Ge: ≤0.05 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, Ti: ≤0.1 mg/kg, Tl: ≤0.05 mg/kg, V: ≤0.05 mg/kg, Zn: ≤0.1 mg/kg, Zr: ≤0.1 mg/kg

InChI

1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)

InChI key

VLTRZXGMWDSKGL-UHFFFAOYSA-N

General description

Perchloric acid (HClO4) is a strong mineral acid. It has powerful oxidizing and dehydrating properties when it is hot and concentrated. It is commercially available in a concentration of 70% (by weight) in water. Aqueous solution of HClO4 is regarded as a super acid (stronger than sulfuric and nitric acids), but it is not necessarily a powerful oxidizer.

Application

Perchloric acid can be used:      
  • In the synthesis of graphite oxide via electrochemical oxidation of natural graphite.      
  • As a reaction medium in oxidations reactions.     
  • As 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.

It can also be used in the following:      
  • Silica-supported perchloric acid (HClO4-SiO2) is used as a catalyst to synthesize amidoalkyl naphthols by the condensation reaction of 2-naphthol, aromatic aldehydes, and acetonitrile.      
  • HClO4-SiO2 is used in the Friedlander quinoline synthesis by the condensation reaction of 2-aminoaryl ketones and carbonyl compounds.      
  • Alumina-supported perchloric acid (Al2O3-HClO4) is used as a catalyst in the synthesis of α-(α-amidobenzyl)-β-naphthols.



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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 1 - Skin Corr. 1A - STOT RE 2

target_organs

Thyroid

Classe de stockage

5.1A - Strongly oxidizing hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable



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Articles

Using an Ascentis® Express F5 HPLC column, this study separates 11 β-agonists in pork by LC-MS/MS in under 8 minutes with excellent recovery and precision.


Sulfur in plant materials by digestion with nitric and perchloric acid.
Blanchar RW, et al.
Soil Science Society of America Journal. Soil Science Society of America, 29(1), 71-72 (1965)
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Numéro d'article de commerce international

RéférenceGTIN
30755-1L04061838253095
30755-2.5L04061838161451
30755-500ML04061826673652