Molecule

99.0-100.5%

≥99.99% trace metals basis

≥99.5% (T)

≥98.5% (T)

≥99.0%

≥99%

99.0-100.5% (ACS specification)

≥99.5%

99%

REAGENT

ACS

purum p.a.

ACS reagent

puriss. p.a.

SAJ special grade

KClO4

Ca: ≤50 mg/kg

Cd: ≤5 mg/kg

Al: ≤10 mg/kg

Cu: ≤5 mg/kg

Na: ≤100 mg/kg

Ba: ≤100 mg/kg

Mn: ≤5 mg/kg

Bi: ≤10 mg/kg

As: ≤0.1 mg/kg

Mg: ≤5 mg/kg

Ni: ≤5 mg/kg

Fe: ≤5 mg/kg

Li: ≤5 mg/kg

Mo: ≤5 mg/kg

Co: ≤5 mg/kg

Cr: ≤5 mg/kg

Sr: ≤5 mg/kg

Pb: ≤5 mg/kg

Zn: ≤5 mg/kg

Cu: ≤50 mg/kg

Cd: ≤50 mg/kg

Pb: ≤50 mg/kg

Ni: ≤50 mg/kg

Na: ≤400 mg/kg

Fe: ≤50 mg/kg

Ca: ≤300 mg/kg

Co: ≤50 mg/kg

Zn: ≤50 mg/kg

Na: ≤50 mg/kg

Ca: ≤10 mg/kg

Na: ≤0.02%

Fe: ≤5 ppm

Ca: ≤0.005%

heavy metals (as Pb): ≤5 ppm

heavy metals: ≤5 ppm (as Pb)

sulfate (SO42-): ≤50 mg/kg

chloride, chlorate (as Cl-): ≤500 mg/kg

chloride, chlorate (as Cl-): ≤1000 mg/kg

sulfate (SO42-): ≤100 mg/kg

sulfate (SO42-): ≤10 mg/kg

chloride (Cl-): ≤30 mg/kg

sulfate (SO42-): ≤0.001%

chloride (Cl-): ≤0.003%

≤0.005% total nitrogen (N)

insoluble matter, passes filter test

≤0.0005% total nitrogen (N)

≤0.005% insolubles

BioUltra

0.1 M in H2O

≤0.20% AEROSIL as anticaking agent (insoluble)

-100 mesh

2.52 (water = 1)

2.5239 g/cm³

2.52

Zero

About 400 °C (750 °F) (decomposes)

525 °C

400 °C (dec.)(lit.)

400°C dec.

1.4724

Colourless/white crystalline powder

solid

-100 Mesh Powder

negligible in alcohol
insoluble in ether

0.75 g/100 mL (0 °C)
1.5 g/100 mL (25 °C)
21.8 g/100 mL (100 °C) in water

H2O: soluble0.1 M at 20 °C, clear, colorless

Partially soluble in water. Insoluble in alcohol.

600 °C (decomp.)

151 J·mol^-1·K^-1

-433 kJ·mol^-1

λ: 280 nm Amax: 0.010

λ: 260 nm Amax: 0.010

5.0-6.5 (25 °C, 0.1 M in H2O)

5.0-7.0 (25 °C, 1% in H2O)

O2

S:13-22-27

S2,S13,S22,S27

13-22-27

SC9700000

Room Temperature (15-30°C)

Oxidising (O)

R:9-22

R:9-22-48/23/25

R9,R22

1489

UN1489

140

5.1B

2W

5.1

II

2

017-008-00-5

3

Danger

H271-H302

UN 1489 5.1/PG 2

dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

P221-P283-P210-P306+P360-P371+P380+P375-P501A

是

Hygroscopic