MATERIAL SAFETY DATA SHEET

I.   PRODUCT IDENTIFICATION

Manufacturer/Supplier:

ESPI Metals

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

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Product Name:     Indium-Tin Oxide

Formula:              91 mol.% In₂O₃/9 mol.% SnO₂

CAS Number:       50926-11-9

II.   HAZARDOUS INGREDIENTS

None

II.   PHYSICAL DATA

Boiling Point:                   Unknown

Melting Point:                  Approximately 1500 ^oC

Specific Gravity:             7.16 g/cc

Solubility in H2O:            Insoluble

Reaction with Water:      None

Appearance and Odor:   White to pale yellow pieces.

IV.   FIRE AND EXPLOSION HAZARDS DATA

Flash Point (Method used):  N/A    Fire Point:  None

Autoignition Temperature:  None

Flammable Limits:   Upper:  N/A   Lower:  N/A

Extinguishing Media:  N/A

Special Fire Fighting Procedures:  N/A

V.   HEALTH HAZARD INFORMATION

Permissible Exposure Limit:  No OSHA PEL for indium oxide or Tin Oxide.  TLV for inorganic tin compounds TLV for In and its compounds (as In) = 0.1 mg/m³.  (as Sn) = 2 mg/m³.

Irritation:  Skin, and eye.  Mild irritation (transient)

Corrosivity:  Eye.

Sensitization:  None reported.

Lung Effects (Specify):  Mild pulmonary irritation.  Mild benign pneumoconiosis (stenosis) may result from chronic long term exposure to tin dust and fumes.

Other:  Tin oxide is of low oral toxicity.  Animal studies show indium to be moderate to highly toxic via ingestion with liver, heart and kidney effects.  An irritant upon skin contact.

EMERGENCY FIRST AID PROCEDURES:

INGESTION:  Induce vomiting.

DERMAL:  Flush with soap and water.

EYE CONTACT:  Flush with plenty of water for at least 15 minutes.

INHALATION:  Remove to fresh air.

VI.   REACTIVITY DATA

Stability:  Stable

Hazardous Polymerization:  Will not occur

Hazardous Decomposition Products:  None

VII.   SPILL OR LEAK PROCEDURES

Steps to Be Taken If Spilled or Released:  Sweep or scoop up and remove.

Waste Disposal Method:  Dispose of in normal refuse.

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection:  Filter, dust, fume, mist.  Use a respirator for dusty conditions.

Ventilation Requirement:  Local exhaust.

Eye:  Safety Glasses.

Hand (Glove Type):  Neoprene

Other Protective Equipment:  Normal laboratory wear.

IX.   SPECIAL PRECAUTIONS

Precautionary Labeling:  Wash thoroughly.  Do not get in eyes, on skin or clothing.  Keep container closed.  Store in tightly closed containers.

Other Handling and Storage Conditions:  Not classified as hazardous by DOT, UN or IMCO.

The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide.  ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.

Issued by:             S. Dierks

Issue Date:           April 1993