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Material Safety Data Sheet
Identity: RM-SN, UR-SN, Sodium Nitrite Reference Cell.
Cell Identity:

General Information
Manufactured by: Optiglass Ltd.,
52/54 Fowler Road,
Phone: +44 (0)20 8501 5550.
Date of preparation: 21 March 2003.
Prepared by: John Hammond.

Ingredients/Identity Information
50 g/l aqueous solution of Sodium Nitrite (NaNO2).
physical/Chemical Characteristics
Appearance: Transparent liquid heat fusion sealed in a quartz cell, 3 ml.
Boiling Point: 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: n/a.
Special Fire Fighting Procedures: n/a.
Unusual Fire and Explosion Procedures: n/a.

Reactivity Data
Stability: stable.
Conditions to avoid:
Incompatible Materials:
Sodium Nitrite is incompatible with acids or combustible materials (released only on cell fracture).
Hazardous Decomposition Products: Contact with acids will produce poisonous nitrous fumes.

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.
Carcinogenicity: none.
Signs and symptoms of exposure: none.
Medical Conditions aggravated by exposure: none.
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:

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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