Product Identification

Product Name

Dilithium monoxide

Synonyms

Dilithium monoxide
Dilithium oxide
Lithia

CAS

12057-24-8

Formula

Li2O

Molecular Weight

29.88

EINECS

235-019-5

RTECS

OJ6360000

RTECS Class

Other

Merck

13,5560

Beilstein/Gmelin

33385 (G)

Physical and Chemical Properties

Appearance

White cubic crystals

Solubility in water

Soluble

Melting Point

1450

Density

2.013 g/cm3 (25 C)

Heat Of Vaporization

128.2 kJ/mol

Usage

Used as a flux in ceramic glazes; and creates blues with copper and pinks with cobalt.

Refractive Index

1.644

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.

Eyes

Assure adequate flushing of the eyes by separating the eyelids with fingers.

Handling and Storage

Storage

Keep tightly closed. Store in a cool dry place. Handle and store under nitrogen. Incompatible Materials: Absorbs carbon dioxide from air.

Hazards Identification

Inhalation

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Effects of contact or inhalation may be delayed.

Skin

Contact with molten substance may cause severe burns to skin and eyes. See Inhalation.

Eyes

See Inhalation.

Ingestion

See Inhalation.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

34

EC Safety Phrase

26 27 28 36/37/39 45

UN (DOT)

3262

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing. Faceshield (8-inch minimum).

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Exposure Effects

Corrosive. Causes burns.

Poison Class

2

Fire Fighting Measures

Fire Fighting

Extinguish using Dry chemical powder. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Incompatibilities

Strong acids.

Decomposition

Nature of decomposition products not known.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3262

Hazard Class

8

Packing Group

II