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1.06609

Supelco

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
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-892-1
NACRES:
NA.21

Quality Level

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

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

Related Categories

Linkage

Replaces: SX0703; SX0703-1

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 %

Legal Information

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

Signal Word

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 Code

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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