---

Section 1: Product Identification
   Chemical Name:       Tantalum (V) (tetraethoxy)(acetylacetonate) (99.99+%-Ta) PURATREM    
   CAS Registry Number:       20219-33-4    
   Formula:       Ta(OC2H5)4(CH3COCHCOCH3)    
   EINECS Number:       none    
   Chemical Family:       metal beta-diketonate complexes    
   Synonym:       tantalumacetylacetone ethanolate.    

---

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       20219-33-4       100%       5mg/m3(Ta)       5mg/m3(Ta)    

---

Section 3: Hazards Identification
   The dust may irritate the skin, eyes, and respiratory system. Moisture will produce ethanol vapor which may
   Emergency Overview:
   cause drowsiness.
   Primary Routes of Exposure:       Inhalation, ingestion, contact with skin and eyes.    
   Eye Contact:       The dust and ethanol hydrolysis product may cause moderate irritation of the eyes.    
   Skin Contact:       Solid may cause mild irritation of the skin.    
   Dust may cause moderate irritation to the upper respiratory tract. Ethanol vapor may cause dizziness and
   Inhalation:
   drowsiness
   Ingestion:       Ingestion may cause gastrointestinal distress, nausea, vomiting and headache.    
   May be irritating to skin, eyes and respiratory tract. Exposure may cause impairment of coordination and
   Acute Health Affects:
   reaction time.
   No data is available for this product. Prolonged exposure to ethanol vapors may be harmful to nerves and
   Chronic Health Affects:
   liver.
   NTP:       No    
   IARC:       No    
   OSHA:       No    

---

SECTION 4: First Aid Measures
   Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
   Eye Exposure:
   assistance in keeping their eye lids open. Get immediate medical attention.
   Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
   Skin Exposure:
   irritation persists.
   Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in
   Inhalation:
   breathing, coughing, wheezing or pain. In such cases seek immediate medical assistance.
   Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
   Ingestion:
   vomiting only if directed by medical personnel.

---

SECTION 5: Fire Fighting Measures
   Flash Point:       no data    
   Autoignition Temperature:       no data    
   Explosion Limits:       no data    
   Extinguishing Medium:       carbon dioxide, dry powder or foam.    
   If involved in a fire, fire fighters should be equipped with NIOSH approved positive pressure self-contained
   Special Fire Fighting Procedures:
   breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may release toxic fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Flammable solid. Formation of explosive air/solid mixtures is possible.

---

SECTION 6: Accidental Release Measures
   Eliminate all ignition sources. Do not raise dust. Small spills may be adsorbed into diatomaceous earth, sand,
   Spill and Leak Procedures:
   or other suitable adsorbent, and swept up.

---

SECTION 7: Handling and Storage
   Store in a tightly sealed container in a dry place. If container is left open, product may adsorb moisture from
   Handling and Storage:
   the atmosphere and release ethanol vapor.

---

SECTION 8: Exposure Controls and Personal Protection
   Eye Protection:       Always wear approved safety glasses when handling a chemical substance in the laboratory.    
   Skin Protection:       Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.    
   Ventilation:       Material may form a fine dust. If possible, handle the material in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory
   Respirator:
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       Material may form a fine dust. If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

---

SECTION 9: Physical and Chemical Properties
   Color and Form:       yellow solid    
   Molecular Weight:       460.3    
   Melting Point:       45°    
   Boiling Point:       95°C /.5mm    
   Vapor Pressure:       no data    
   Specific Gravity:       1.5    
   Odor:       alcohol-like odor    
   Solubility in Water:       reacts with water    

---

SECTION 10: Stability and Reactivity
   Stability:       moisture sensitive    
   Hazardous Polymerization:       No hazardous polymerization.    
   Conditions to Avoid:       Keep away from moisture, heat and ignition sources including open flame and electrostatic discharge.    
   Incompatibility:       Water, active metals and halogens    
   Decomposition Products:       carbon monoxide, carbon dioxide, tantalum oxide, organic fumes.    

---

SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       no data    
   Mutagenic Effects:       no data    
   Tetratogenic Effects:       no data    

---

SECTION 12: Ecological Information
   Ecological Information:       No information available    

---

SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

---

SECTION 14: Transportation
   Shipping Name (CFR):       Flammable solids, Organic, N.O.S.    
   Hazard Class (CFR):       4.1    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       II    
   UN ID Number (CFR):       UN# 1325    
   Shipping Name (IATA):       Flammable solid, Organic, N.O.S.    
   Hazard Class (IATA):       4.1    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       II    
   UN ID Number (IATA):       UN# 1325    

---

SECTION 15: Regulatory Information
   TSCA:       Not listed in the TSCA inventory    
   SARA (Title 313):       Title compound not listed.    
   Second Ingredient:       none    

---

SECTION 16 - ADDITIONAL INFORMATION
N/A