---

Section 1: Product Identification
   Chemical Name:       1-(2,4,6-Trimethylphenyl)-2-(dicyclohexylphosphino)imidazole, min. 95% [cataCXium® PICy]    
   CAS Registry Number:       794527-14-3    
   Formula:       C24H35N2P    
   EINECS Number:       none    
   Chemical Family:       organophosphine ligand    
   Synonym:       cataCXium PlCy    

---

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       794527-14-3       100%       no data       no data    

---

Section 3: Hazards Identification
   Emergency Overview:       Irritating to skin, eyes and respiratory tract.    
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes    
   Eye Contact:       Causes mild irritation of the eyes.    
   Skin Contact:       Causes mild irritation of the skin.    
   Inhalation:       Inhalation of dust will lead to irritation of the respiratory tract.    
   Ingestion:       No information available on the physiological effects of ingestion.    
   Acute Health Affects:       Irritating to skin, eyes and respiratory tract.    
   Chronic Health Affects:       No information on long-term chronic effects.    
   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
   Inhalation:
   in 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 this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self-contained breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may emit toxic organic fumes and phosphorus pentoxide.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards

---

SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Small spills can be mixed with vermiculite or sodium carbonate and swept up.    

---

SECTION 7: Handling and Storage
   Store in a tightly sealed container under an inert atmosphere of argon or nitrogen. Handle in an inert
   Handling and Storage:
   atmosphere. Keep away from heat and direct sunlight.

---

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.    
   Ventilation:       Handle the material in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
   Respirator:
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       Handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

---

SECTION 9: Physical and Chemical Properties
   Color and Form:       white powder    
   Molecular Weight:       382.52    
   Melting Point:       109°    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   Odor:       not determined    
   Solubility in Water:       insoluble    

---

SECTION 10: Stability and Reactivity
   Stability:       air sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       none    
   Incompatibility:       strong oxidizing agents    
   Decomposition Products:       carbon monoxide, carbon dioxide, phosphorus and nitrogen oxides, and organic fumes.    

---

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

---

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):       Non-hazardous    
   Hazard Class (CFR):       NA    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       NA    
   UN ID Number (CFR):       NA    
   Shipping Name (IATA):       Non-hazardous    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       NA    

---

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