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Merck
CN

1.06564

Sodium perchlorate monohydrate

for analysis EMSURE®

Synonym(s):

Sodium perchlorate monohydrate, Perchloric Acid Sodium Salt

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About This Item

Empirical Formula (Hill Notation):
ClNaO4 · xH2O
CAS Number:
Molecular Weight:
122.44 (anhydrous basis)
UNSPSC Code:
12352302
EC Index Number:
231-511-9
NACRES:
NA.21
MDL number:
Assay:
99.0-102.0% (alkalimetric)
Form:
crystals
Solubility:
2090 g/L
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Quality Segment

product line

EMSURE®

assay

99.0-102.0% (alkalimetric)

form

crystals

pH

4.5-7.0 (25 °C, 50 g/L in H2O)

mp

130 °C

solubility

2090 g/L

density

2.02 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

chloride (Cl-): ≤0.002%, chloride, chlorate (as Cl-): ≤0.002%, sulfate (SO42-): ≤0.002%

cation traces

Ca: ≤0.002%, Fe: ≤0.0003%, K: ≤0.005%, N: ≤0.0005%, heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

SMILES string

[Na+].[Cl](=O)(=O)(=O)[O-].O

InChI

1S/ClHO4.Na.H2O/c2-1(3,4)5;;/h(H,2,3,4,5);;1H2/q;+1;/p-1

InChI key

IXGNPUSUVRTQGW-UHFFFAOYSA-M

Application

Sodium perchlorate monohydrate can be used as:
  • An oxidizing agent for effectively removing color from textile wastewaters.
  • A component of the mobile phase buffer in ultra-performance liquid chromatography (UPLC) to analyze active ingredients in topical pharmaceutical formulations.
  • A supporting electrolyte in the preparation of polypyrrole films.

Analysis Note

Assay (alkalimetric): 99.0 - 102.0 %
pH-value (5 %; water): 4.5 - 7.0
Chloride, Chlorate (as Cl): ≤ 0.002 %
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0003 %
K (Potassium): ≤ 0.005 %

Other Notes

Replaces: SX0693; SX0693-1; SX693-2

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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target_organs

Thyroid

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 1 - STOT RE 2

Storage Class

5.1A - Strongly oxidizing hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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