30755-M

Perchloric acid

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

• Synonym(s): PCA
• Linear Formula: HClO₄
• CAS Number: 7601-90-3
• Molecular Weight: 100.46
• MDL number: MFCD00011325
• UNSPSC Code: 12352106
• PubChem Substance ID: 329753578
• NACRES: NA.21

Properties

• grade: ACS reagent; puriss. p.a.
• Quality Level: 100
• agency: USP/NF; reag. ISO; reag. Ph. Eur.
• 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)
• color: APHA: ≤10
• density: 1.670 g/cm³
• anion traces: chlorate (ClO₃^-): ≤0.001%; chloride (Cl^-): ≤0.0003%; phosphate, silicate (as SiO₂): ≤0.0005%; sulfate (SO₄^2-): ≤0.001%
• cation traces: Ag: ≤0.00001%; Al: ≤0.000005%; As: ≤0.000005%; Ba: ≤0.000002%; Be: ≤0.000002%; Bi: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000005%; Cu: ≤0.00001%; Fe: ≤0.0001%; Ge: ≤0.000005%; K: ≤0.00001%; Li: ≤0.000002%; Mg: ≤0.00005%; Mn: ≤0.000002%; Mo: ≤0.000005%; Ni: ≤0.00001%; Pb: ≤0.000005%; Sr: ≤0.000002%; Ti: ≤0.00001%; Tl: ≤0.000005%; V: ≤0.000005%; Zn: ≤0.00001%; Zr: ≤0.00001%
• 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

Application

Perchloric acid is a strong acid that can be used as a reagent in the oxidative esterification of aldehydes. It can also be used as a catalyst for the condensation of amines and aldehydes to synthesize arylimines.

Safety Information

• pictograms: GHS03,GHS08,GHS05,GHS07
• signalword: Danger
• hcodes: H271,H290,H302,H314,H373
• pcodes: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 - P314
• 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
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable