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1.01201

Supelco

Ammonium peroxodisulfate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):
Ammonium peroxodisulfate, Ammonium persulfate, Peroxidisulfuric acid diammonium salt
Linear Formula:
(NH4)2S2O8
CAS Number:
Molecular Weight:
228.20
MDL number:
EC Index Number:
231-786-5

Quality Level

grade

ACS reagent

Agency/Method

reag. Ph. Eur.

assay

≥98.0% (iodometric)

form

solid

potency

742 mg/kg LD50, oral (Rat)

ign. residue

≤0.05% (as SO4)

pH

3.2 (20 °C, 100 g/L in H2O)

mp

120 °C (decomposition)

density

1.98 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

chloride, chlorate (as Cl-): ≤0.001%

cation traces

Fe: ≤ 0.001%
Mn: ≤ 0.00005%
heavy metals (as Pb): ≤ 0.001%

storage temp.

15-25°C

InChI

1S/2H3N.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h2*1H3;(H,1,2,3)(H,4,5,6)

InChI key

ROOXNKNUYICQNP-UHFFFAOYSA-N

Linkage

Replaces: AX1340; AX1340-1; AX1340-20; AX1340-3

Analysis Note

Assay (iodometric): ≥ 98.0 %
Insoluble matter: ≤ 0.005 %
Titrable free acid: ≤ 0.04 meq/g
Chloride, Chlorate (as Cl): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Mn (Manganese): ≤ 0.00005 %
Residue on ignition (as SO₄): ≤ 0.05 %

Legal Information

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

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - 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

Certificate of Analysis

Certificate of Origin

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