Acids & Bases
Perchloric acid 70% (30755)
analytical reagent, Reag. ACS, Reag. ISO, Reag. Ph. Eur., assay (alkalimetric) 70.0 - 72.0%
Overview
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Specifications
General Information
- Linear Formula
- HClO4
- Synonyms
- PCA, Perchloric acid
- CAS Number
- 7601-90-3
Physical Properties
- Color
- Colorless
- Boiling Point/Range
- 203 °C (1,013 hPa)
- Physical Form
- Crystalline powder
- Melting Point/Range
- -18 °C
- Odor
- Stinging
- Density
- 1.674 g/cm3 (20 °C)
- pH
- 0.1 (20 °C)
Safety Information
- Corrosivity
- Corrosive to metals
- Incompatible Materials
- Gives off hydrogen by reaction with metals, Fire hazard, As oxidising agent, attacks organic substances such as wood, paper, fats
- Thermal Decomposition
- Explosive decomposition
International Transportation
- Sub Class 1
- 8
- Packing Group
- I
- Harmonized System Code
- 28111980
- Chemical Class
- 5.1
- UN Number
- 1873
General Information
- Linear Formula
- HClO4
- Synonyms
- PCA, Perchloric acid
- CAS Number
- 7601-90-3
Physical Properties
- Color
- Colorless
- Boiling Point/Range
- 203 °C (1,013 hPa)
- Physical Form
- Crystalline powder
- Melting Point/Range
- -18 °C
- Odor
- Stinging
- Density
- 1.674 g/cm3 (20 °C)
- pH
- 0.1 (20 °C)
Safety Information
- Corrosivity
- Corrosive to metals
- Incompatible Materials
- Gives off hydrogen by reaction with metals, Fire hazard, As oxidising agent, attacks organic substances such as wood, paper, fats
- Thermal Decomposition
- Explosive decomposition
International Transportation
- Sub Class 1
- 8
- Packing Group
- I
- Harmonized System Code
- 28111980
- Chemical Class
- 5.1
- UN Number
- 1873
- Linear Formula : HClO4
- Synonyms : PCA, Perchloric acid
- CAS Number : 7601-90-3
- Color : Colorless
- Boiling Point/Range : 203 °C (1,013 hPa)
- Physical Form : Crystalline powder
- Melting Point/Range : -18 °C
- Odor : Stinging
- Density : 1.674 g/cm3 (20 °C)
- pH : 0.1 (20 °C)
- Corrosivity : Corrosive to metals
- Incompatible Materials : Gives off hydrogen by reaction with metals, Fire hazard, As oxidising agent, attacks organic substances such as wood, paper, fats
- Thermal Decomposition : Explosive decomposition
- Sub Class 1 : 8
- Packing Group : I
- Harmonized System Code : 28111980
- Chemical Class : 5.1
- UN Number : 1873
Property
Value
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 %
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