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31445

Sigma-Aldrich

Sodium peroxide

puriss. p.a., ACS reagent, reag. ISO, ≥95%

Synonym(s):

Sodium superoxide

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About This Item

Empirical Formula (Hill Notation):
Na2O2
CAS Number:
1313-60-6
Molecular Weight:
77.98
EC Number:
215-209-4
MDL number:
MFCD00003497
UNSPSC Code:
12352304
PubChem Substance ID:
329753769
NACRES:
NA.21

grade

ACS reagent
puriss. p.a.

Agency

reag. ISO

Assay

≥95%

form

powder

impurities

≤0.002% heavy metals (as Pb)
≤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

Al: ≤10 mg/kg
Fe: ≤20 mg/kg

SMILES string

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

InChI

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

InChI key

PFUVRDFDKPNGAV-UHFFFAOYSA-N

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General description

Sodium peroxide (Sodium superoxide) has been synthesized by the matrix reaction of sodium atoms and oxygen molecules at high dilution in argon. Its IR spectral studies have been reported.

Application

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

Pictograms

Flame over circleCorrosion
GHS03,GHS05

Signal Word

Danger

Hazard Statements

H271,H314

Hazard Classifications

Ox. Sol. 1 - Skin Corr. 1A

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 1: Oxidizing solids
Inorganic peroxides
Hazardous rank I
1st oxidizing solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

31445-500G:4548173335957
31445-VAR:
31445-100G:4548173335933
31445-6X1KG:
31445-1KG:4548173335940
31445-6X100G:
31445-6X500G:
31445-BULK:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Infrared spectra and bonding in the sodium superoxide and sodium peroxide molecules.
Andrews L.
The Journal of Physical Chemistry, 73(11), 3922-3928 (1969)
Determination of platinum, palladium, ruthenium and iridium in geological samples by isotope dilution inductively coupled plasma mass spectrometry using a sodium peroxide fusion and tellurium coprecipitation
Enzweiler J, et al.
Analyst, 120(5), 1391-1396 (1995)
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