English En

Perchloric acid, 70%, for analysis, ExpertQ®, ACS, ISO

- HClO4
- M = 100,46 g/mol
- CAS [7601-90-3]
- EINECS-No.: 231-512-4
- Density: 1,68 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: -18 ºC
- Boiling point: 198,7 ºC
- LD 50 (oral, rat): 1100 mg/kg (anhydrous substance)
- EC-Index-No.: 017-006-00-4
- ADR: 5.1 OC1 I UN 1873
- IMDG: 5.1 I UN 1873
- IATA/ICAO: 5.1 I UN 1873
- GHS-signal word: Danger
- GHS-H sentences: H271 - H314 - H302
- GHS-P sentences: P221 - P283 - P303+P361+P353 - P305+P351+P338 - P310 - P370+P378 - P405 - P501a
- Tariff number: 2811 19 80 90
- Applications: analytical chemistry, laboratory reagent, oxidizing agent, in explosive compositions.

SPECIFICATIONS
assay (acidimetric): 69 - 72 %
identity: passes test
colour (Hazen): max. 10
insoluble in C2H5OH : max. 0,001 %
free chlorine (as Cl): max. 0,00005 %
total nitrogen (as N): max. 0,001 %
chlorates (ClO3): max. 0,001 %
chlorides (Cl): max. 0,0003 %
phosphates and silicates (as SiO2): max. 0,0005 %
sulfates (SO4): max. 0,001 %
aluminium (Al): max. 0,05 ppm
arsenic (As): max. 0,05 ppm
barium (Ba): max. 0,02 ppm
beryllium (Be): max. 0,02 ppm
bismuth (Bi): max. 0,1 ppm
cadmium (Cd): max. 0,05 ppm
calcium (Ca): max. 0,5 ppm
cobalt (Co): max. 0,05 ppm
copper (Cu): max. 0,1 ppm
germanium (Ge): max. 0,05 ppm
heavy metals (as Pb): max. 1 ppm
iron (Fe): max. 1 ppm
lead (Pb): max. 0,05 ppm
lithium (Li): max. 0,02 ppm
magnesium (Mg): max. 0,5 ppm
manganese (Mn): max. 0,02 ppm
molybdenum (Mo): max. 0,05 ppm
nickel (Ni): max. 0,1 ppm
potassium (K): max. 0,1 ppm
silver (Ag): max. 0,1 ppm
sodium (Na): max. 0,5 ppm
strontium (Sr) : max. 0,02 ppm
thallium (Tl): max. 0,05 ppm
titanium (Ti): max. 0,1 ppm
vanadium (V): max. 0,05 ppm
zinc (Zn): max. 0,1 ppm
zirconium (Zr): max. 0,1 ppm
residue on ignition (as SO4): max. 0,003 %