31445-M
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:
Molecular Weight:
77.98
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-209-4
MDL number:
Assay:
≥95%
Form:
beads or granules
agency
reag. ISO
grade
ACS reagent, puriss. p.a.
assay
≥95%
form
beads or granules
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-): ≤0.002%, phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.001%
cation traces
Al: ≤0.001%, Fe: ≤0.002%
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 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.
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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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