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Merck
CN

71883

Sodium peroxide

ACS reagent, beads (small), ≥95%

Synonym(s):

Sodium superoxide

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About This Item

Empirical Formula (Hill Notation):
Na2O2
CAS Number:
Molecular Weight:
77.98
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-209-4
MDL number:
Assay:
≥95% (RT), ≥95%
Grade:
ACS reagent
Form:
beads (small)
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grade

ACS reagent

Quality Level

assay

≥95% (RT), ≥95%

form

beads (small)

impurities

≤0.003% total nitrogen (N)

pH

12.8 (20 °C, 100 g/L)

mp

460 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤10 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤20 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤500 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤10 mg/kg, Pb: ≤5 mg/kg, Sr: ≤10 mg/kg, Tl: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

[Na+].[Na+].[O-][O-]

InChI

1S/2Na.O2/c;;1-2/q2*+1;-2

InChI key

PFUVRDFDKPNGAV-UHFFFAOYSA-N

General description

Sodium peroxide (Sodium superoxide) has been synthesized by reacting sodium atoms and oxygen molecules at high dilution in argon. Its IR spectral studies have been reported. It is a strong oxidizing agent.

Application

Sodium peroxide may be used for the isotope dilution inductively coupled plasma mass spectrometric quantification of Ru, Pd, Ir and Pt in various geological samples. It may be employed for the inductively coupled plasma mass spectrometric quantification of rare earth elements (such as Y, Th, Zr, Hf, Nb and Ta) in geological reference materials.

Analysis Note

may contain particles (Fe, Ni)

Other Notes

Wurzschmitt decomposition; decomposition of ores by fusion


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pictograms

Flame over circleCorrosion

signalword

Danger

hcodes

Hazard Classifications

Ox. Sol. 1 - Skin Corr. 1A

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Eagleson M.
Concise Encyclopedia Chemistry, 1080-1080 (1994)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)



Global Trade Item Number

SKUGTIN
71883-250G04061832587615