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
Inhalation:
problems.
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
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 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
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
SECTION 16 - ADDITIONAL INFORMATION
N/A
