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:     Holmium Sulfate

Formula:              Ho₂ (SO₄)₃ A XH₂O

CAS Number:       15622-40-9

II.   HAZARDOUS INGREDIENTS

Hazardous Components:  Holmium Sulfate  

Percent (%):                    0-100

OSHA/PEL:                        N/E

ACGIH/TLV:                      N/E

III.   PHYSICAL DATA

Boiling Point:                  Decomposes

Specific Gravity:             -

Solubility in H₂O:            Soluble

Appearance and Odor:   Light orange crystal, no odor

IV.   FIRE AND EXPLOSION HAZARDS DATA

Flash Point (Method Used):  N/A

Autoignition Temperature:  No Data

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

Extinguishing Media:  Use water, carbon dioxide, dry powder extinguishing agents, dry sand, or dry ground dolomite.

Special Fire Fighting Procedures:  No special firefighting procedures needed.  Use normal procedures which include wearing NIOSH/MSHA approved self-contained breathing apparatus, flame and chemical resistant clothing; hats, boots and gloves.  If without risk, remove material from fire area.  Cool container with water from maximum distance.

Unusual Fire & Explosion Hazard:  May emit toxic fumes if thermally decomposed.

V.   HEALTH HAZARD INFORMATION

Effects of Exposure:

Inhalation: No data

Ingestion: No data

Skin: May cause irritation.

Eye:  May cause severe irritation, redness, tearing.

EMERGENCY AND FIRST AID PROCEDURES:  Remove from exposure.

INHALATION:  Remove from exposure.  Seek immediate medical attention.

INGESTION:  Seek medical attention immediately.

SKIN:  Remove any contaminated clothing, brush material off of skin, flush with running water, wash carefully with soap and water.

EYE:  Flush with copious amounts of water for at least 15 minutes.

VI.   REACTIVITY DATA

Stability:  Stable

Conditions to Avoid:  Thermal decomposition

Incompatibility (Material to Avoid):  No data

Hazardous Decomposition Products:  SOx

Hazardous Polymerization:  Will not occur

VII.   SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled:  Wearing full protective clothing and respiratory protection, cover spill with dry sand or dry vermiculite, mix well and carefully transfer to a well marked container.  Close container tightly.  Submit or retain for disposal.

Waste Disposal Method:  In accordance with Local, State and Federal Waste Disposal Regulations.

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type):  NIOSH/MSHA approved dust, fume, mist respirator.

Ventilation:  Use local exhaust if dusting occurs.

Protective Gloves:  Rubber 

Eye Protection:  Safety glasses

Other Protective Equipment:  Lab coat and apron, flame and chemical resistant coveralls, eyewash capable of sustained flushing, safety drench shower and hygienic facilities for washing.

IX.   SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage:  Keep container tightly closed.  Store in a cool, dry, well-ventilated area.  Wash thoroughly after use.  Avoid contact with skin and eyes.

Precautionary Labeling:  Warning Irritant

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 damages resulting from handling or from contact with the above product.

Issued by:             S. Dierks

Date:                    June 1989