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Name	LITHIUM PEROXIDE	EINECS	234-758-0
CAS No.	12031-80-0	Density	g/cm³
PSA	46.12000	LogP	-0.23760
Solubility	solubility in H2O is 8% (20°C); solubility in acetic acid is 5.6% (20°C); insoluble absolute alcohol (20°C) [HAW93]	Melting Point	340°C (dec.)
Formula	Li2O2	Boiling Point	150.2°Cat760mmHg
Molecular Weight	45.8808	Flash Point	°C
Transport Information	N/A	Appearance	White to pale yellow powder
Safety	A powerful oxidizer and irritant to skin, eyes, and mucous membranes. A very dangerous fire hazard because it is an extremely powerful oxidizing agent. Will react with water or steam to produce heat; on contact with reducing materials, can react vigorously. See also LITHIUM COMPOUNDS, PEROXIDES, INORGANIC; PEROXIDES, ORGANIC, and PEROXIDES, INORGANIC.	Risk Codes	8-35
Molecular Structure		Hazard Symbols	Dangerous fire and explosion risk in contact with organic materials. Strong oxidizing agent.
Synonyms	Dilithiumperoxide;Lithium oxide (Li2O2);Lithium peroxide;	Article Data	4

LITHIUM PEROXIDE Synthetic route

: 80937-33-3
oxygen

: 90076-65-6
bis(trifluoromethane)sulfonimide lithium

: 12031-80-0
lithium peroxide

Conditions

Conditions	Yield
With 1-butyl-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide Electrochemical reaction;

: lithium perchlorate

: 62205-77-0
tetramethylammonium superoxide

: 12031-80-0
lithium peroxide

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 1h; Glovebox; Inert atmosphere;

: 80937-33-3
oxygen

: lithium perchlorate

: 12031-80-0
lithium peroxide

Conditions

Conditions	Yield
With ruthenium oxide nanoparticle decorated mesoporous boron doped carbon nitride electrode In dimethyl sulfoxide at 80℃; for 48h; Mitsunobu Displacement; Electrochemical reaction; Glovebox;

: 1310-66-3
lithium hydroxide monohydrate

: 7722-84-1
dihydrogen peroxide

: 12031-80-0
lithium peroxide

Conditions

Conditions	Yield
for 1h;

: 7647-01-0
hydrogenchloride

: 12031-80-0
lithium peroxide

: lithium chloride

: 1310-65-2
lithium hydroxide

: 7440-18-8
ruthenium

: Li8Ru2OCl14

Conditions

Conditions	Yield
Stage #1: lithium peroxide; lithium hydroxide; ruthenium In melt at 600℃; for 0.5h; Stage #2: hydrogenchloride; lithium chloride	60%

...Expand

: 12031-80-0
lithium peroxide

: neptunium(IV) dioxide

: NpO6(5-)*5Li(1+)=Li5NpO6

Conditions

Conditions	Yield
In solid NpO2 and Li2O2 ground together, heated at 400°C for 24-72 h under O2; cooled, analyzed, reground, reheated until const. Np(VII) content (about 80-85%), not pure material(!);

: 12031-80-0
lithium peroxide

: cesium oxo terbate (IV)

A: cesium oxide

B: Cs2Li14{Tb3O14}

C: octalithium oxo terbate (IV)

Conditions

Conditions	Yield
In neat (no solvent) byproducts: O2; tempering (ratio Tb:Li 1:5, 550°C, closed Au-tube, 3 weeks, heating rate 10°C/h);

: 12031-80-0
lithium peroxide

: terbium oxide

: cesium oxo terbate (IV)

: Cs2Li14{Tb3O14}

Conditions

Conditions	Yield
In neat (no solvent) byproducts: O2; tempering (560°C, closed Au-tube, 10 d or 8 weeks);

: 12031-80-0
lithium peroxide

: copper(II) oxide

: 12527-46-7
lithium cuprate

Conditions

Conditions	Yield
With oxygen heating (platinum crucible, oxygen flow, 500°C, 5 d);
450°C for 5 d;

: 1313-99-1
nickel(II) oxide

: 12031-80-0
lithium peroxide

: lithium nickelate(III)

Conditions

Conditions	Yield
educts were ground together in an argon grove box and were pelletized, pellets were heated to 850°C very slowly under a stream of pure dried O2 passed through liquid N2 (24-48 h); cooling to room temp. very slowly;

LITHIUM PEROXIDE Consensus Reports

Reported in EPA TSCA Inventory.

LITHIUM PEROXIDE Safety Profile

A powerful oxidizer and irritant to skin, eyes, and mucous membranes. A very dangerous fire hazard because it is an extremely powerful oxidizing agent. Will react with water or steam to produce heat; on contact with reducing materials, can react vigorously. See also LITHIUM COMPOUNDS, PEROXIDES, INORGANIC; PEROXIDES, ORGANIC, and PEROXIDES, INORGANIC.

LITHIUM PEROXIDE Standards and Recommendations

DOT Classification: 5.1; Label: Oxidizer