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Material Safety Data Sheet

Identity: RM-DL, UR-DL, Didymium Reference cell.

Cell Identity: 'Dy'.

General Information

Manufactured by: Optiglass Ltd.,
52/54 Fowler Road,
Hainault, Essex,
Phone: +44 (0)20 8501 5550.
Date of preparation: 28 March 2001.
Prepared by: John Hammond.

Ingredients/Identity Information

Aqueous solution prepared in 10% (volume fraction) perchloric acid to contain 2.75% (mass fraction) Neodymium Oxide
and 8.6% (mass fraction) Praseodymium Oxide.

Physical/Chemical Characteristics

Appearance: Transparent liquid heat fusion sealed in a quartz cell, 3 ml.
Boiling Poing: 100 ░ C.
Specific Gravity: 1.0.
Vapor Pressure (mm Hg): n/a.
Melting Point: 0 ░ C. Vapor
Density: n/a.
Evaporation Rate: n/a.
Solubility in Water: soluble.

Fire and Explosion Hazard

Flash point: n/a.
Flammable limits: non-flammable.
Extinguishing Media: Same precautions as for water.
Special Fire Fighting Procedures: Same precautions as for water.
Unusual Fire and Explosion Procedures: same as for water.

Reactivity Data

Stability: stable
Conditions to avoid: Avoid contact with incompatible materials if broken.
Incompatible Materials: Perchloric acid is incompatible with acids, combustible materials, metals,
oxidizing agents, metaloxides, halo carbons, metal salts, and bases.
Hazardous Decomposition Products: Perchloric acid: can produce acid halides and oxides of
chlorine. Hazardous Polymerization: will not occur.

Health Hazard Data

Route of Entry - Inhalation: no (sealed cells).
Route of Entry - Skin: no (sealed cells).
Route of Entry - Ingestion: no (sealed cells).
Health Hazard acute and chronic: Due to the small size and volume of the sealed cells and the
complete sealing of the materials in quartz cells the only contact that can be made to the chemicals is
through the breakage of the cells. The quartz shards would be more hazardous and must be handled
as with any glass breakage. Direct skin contact will cause skin irritation.
Carcinogenicity: none.
Signs and symptoms of exposure: none.
Medical Conditions aggravated by exposure: possible skin irritation.
Emergency and First Aid Procedures: In the event of breakage of any of cells, wash with water and
safely dispose of the quartz pieces.

Precautions for Safe Handling and Use

Steps if material Released/Spill: In the event of breakage of any of cells, wash with water and safely
dispose of the quartz pieces.
Waste disposable method: The only waste generated by the breakage would be the quartz container.
Dispose of the quartz pieces as you would for any broken laboratory glassware. Precautions to be
taken in Handling and Storing: none.

Control Measures

Respiratory Protection: none required.
Ventilation: none required.
Protective Gloves: Chemical resistant gloves.
Eye Protection: Chemical resistant goggles.
Other protective equipment: Have immediate availability of eye wash.
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