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Merck

1.06609

Sodium peroxidisulfate

for analysis EMSURE®

Synonym(s):

Sodium peroxidisulfate, Sodium persulfate, Peroxydisulfuric acid disodium salt

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About This Item

Empirical Formula (Hill Notation):
Na2O8S2
CAS Number:
Molecular Weight:
238.10
UNSPSC Code:
12352302
EC Index Number:
231-892-1
NACRES:
NA.21
MDL number:
Assay:
≥99.0% (iodometric)
Form:
solid
Solubility:
545 g/L
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Quality Segment

product line

EMSURE®

assay

≥99.0% (iodometric)

form

solid

potency

920 mg/kg LD50, oral (Rat), >10000 mg/kg LD50, skin (Rabbit)

loss

≤0.05% loss on drying, 105 °C; 3 hours

pH

3.5-3.8 (20 °C, 100 g/L in H2O)

solubility

545 g/L

density

1.2 g/cm3 at 20 °C

bulk density

1150 kg/m3

anion traces

chloride (Cl-): ≤0.01%

cation traces

Cr: ≤0.001%, Cu: ≤0.001%, Fe: ≤0.0005%, Mn: ≤0.0001%, NH4+: ≤0.05%, Pb: ≤0.001%, heavy metals (as Pb): ≤0.003%

storage temp.

15-25°C

SMILES string

[Na+].[Na+].[S](=O)(=O)([O-])OO[S](=O)(=O)[O-]

InChI

1S/2Na.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

InChI key

CHQMHPLRPQMAMX-UHFFFAOYSA-L

Analysis Note

Assay (iodometric): ≥ 99.0 %
Identity: passes test
Chloride (Cl): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.003 %
NH₄ (Ammonium): ≤ 0.05 %
Cr (Chromium): ≤ 0.001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mn (Manganese): ≤ 0.0001 %
Pb (Lead): ≤ 0.001 %
Loss on drying (105 °C; 3 hours): ≤ 0.05 %

Other Notes

Replaces: SX0703; SX0703-1

Legal Information

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


signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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