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CAS No.: 73138-26-8
Formula: C10H10Mn
Exact Mass: 185.01600
Molecular Weight: 185.12400
PSA: 0.00000
LogP: 2.75900
Reference Price: $104/g Inquiry Now

Section 1: Product Identification
   Chemical Name:       Bis(cyclopentadienyl)manganese, 98+% (Manganocene)    
   CAS Registry Number:       73138-26-8    
   Formula:       (C5H5)2Mn    
   EINECS Number:       none    
   Chemical Family:       metallocene    
   Synonym:       none    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       73138-26-8       100%       0.2mg/m3 (as Mn)       5mg/m3 (as Mn-    

Section 3: Hazards Identification
   May be irritating to eyes, skin and respiratory tract. May be harmful if swallowed. Some manganese
   Emergency Overview:
   compounds are known to affect the central nervous system. Possible risk of irreversible effects.
   Primary Routes of Exposure:       Inhalation and Ingestion    
   Eye Contact:       May cause slight to mild irritation of the eyes.    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Dust may be irritating to the nose, mucous membranes and respiratory tract, and cause chronic health
   Ingestion:       No information available on the physiological effects of ingestion.    
   Acute Health Affects:       May be irritating to skin, eyes and respiratory tract.    
   Prolonged exposure to manganese containing dust may produce manganese pneumonitis and manganese
   Chronic Health Affects:       poisoning. Symptoms include sleepiness, weakness and emotional disturbances. Equivocal studies have    
   shown manganese may decrease fertility in men. Possible risk of irreversible 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
   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
   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 or dry powder    
   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 irritating fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Highly flammable. Dust may form explosive mixtures with air.

SECTION 6: Accidental Release Measures
   Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
   Spill and Leak Procedures:
   swept up.

SECTION 7: Handling and Storage
   Keep material in a tightly sealed container. Prolonged exposure to the air or moisture will result in degradation
   Handling and Storage:
   of the product. Handle and store material under an inert atmosphere of nitrogen or argon.

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 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:       brown xtl.    
   Molecular Weight:       185.13    
   Melting Point:       172-173 °C    
   Boiling Point:       245 °C    
   Vapor Pressure:       100-130° (0.0001mm)    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:       reacts with water    

SECTION 10: Stability and Reactivity
   Stability:       air sensitive, moisture sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Contact with moisture and oxygen. Keep away from heat and ignition sources including open flame and
   Conditions to Avoid:
   electrostatic discharge.
   Incompatibility:       Air, oxidizing agents halogens, protic reagents    
   Decomposition Products:       carbon dioxide, carbon monoxide, organic fumes, and manganese oxide    

SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       No data available    
   Mutagenic Effects:       Possible mutagen (as Mn)    
   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):       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):       See Category code N450 for reporting.    
   Second Ingredient:       none    


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