Perchloric acid, Puriss. p.a., ACS Reagent, Reag. ISO, Reag.

Name: Perchloric acid
Synonymn: PCA
Description: Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., 70.0-72.0%

Container Type: Glass Bottle

Molar Mass: 100.46 g/mol

Empirical Formula: HClO₄
Linear Formula: HClO₄

CAS Number: 7601-90-3
MDL Number: MFCD00011325

SPECIFICATIONS

Assay (alkalimetric): 70.0 - 72.0 %
Residue on ignition: max. 0.003 %
Silver (Ag): max. 0.00001 %
Aluminium (Al): max. 0.000005 %
Arsenic (As): max. 0.000005 %
Barium (Ba): max. 0.000002 %
Beryllium (Be): max. 0.000002 %
Bismuth (Bi): max. 0.00001 %
Calcium (Ca): max. 0.00005 %
Cadmium (Cd): max. 0.000005 %
Cobalt (Co): max. 0.000005 %
Copper (Cu): max. 0.00001 %
Iron (Fe): max. 0.0001 %
Germanium (Ge): max. 0.000005 %
Potassium (K): max. 0.00003 %
Lithium (Li): max. 0.000002 %
Magnesium (Mg): max. 0.00005 %
Manganese (Mn): max. 0.000002 %
Molybdenum (Mo): max. 0.000005 %
Nickel (Ni): max. 0.00001 %
Lead (Pb): max. 0.000005 %
Strontium (Sr): max. 0.000002 %
Titanium (Ti): max. 0.00001 %
Thallium (Tl): max. 0.000005 %
Vanadium (V): max. 0.000005 %
Zinc (Zn): max. 0.00001 %
Zirconium (Zr): max. 0.00001 %
Heavy metals (as Pb): max. 0.0001 %
Chlorate (ClO₃): max. 0.001 %
Chloride (Cl): max. 0.0003 %
Free chlorine (Cl): max. 0.00005 %
Total N: max. 0.001 %
Phosphate, silicate (as SiO₂): max. 0.0005 %
Sulfate (SO₄): max. 0.001 %
APHA: max. 10



PHYSICAL PROPERTIES

Ignition Residue: ≤0.003% (as SO₄)
Boiling Point: 203 °C
Freezing Point: -18 °C
Density: 1.66 g/cm3



SAFETY INFORMATION

Hazard Class: 5.1
Package Group: I
UN ID: 1873
Signal Word: Danger

GHS Classification:
Harmful (GHS07)
Corrosive (GHS05)
Health hazard (GHS08)
Oxidizing (GHS03)

Hazard Statement(s):
May cause damage to organs through prolonged or repeated exposure (H373)
Causes severe skin burns and eye damage (H314)
Harmful if swallowed (H302)
May be corrosive to metals (H290)
May cause fire or explosion, strong oxidizer (H271)

Precautionary Statement(s):
Keep away from heat/sparks/open flames/hot surfaces - No smoking (P210)
Keep only in original container (P234)
Do not breathe dust/fume/gas/mist/vapours/spray (P260)
Wear protective gloves/protective clothing/eye protection/face protection (P280)
Wear respiratory protection (P284)

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