Section 1: Product Identification
Chemical Name: Manganese (II) selenide (99.9%-Mn)
CAS Registry Number: 1313-22-0
Formula: MnSe
EINECS Number: 215-203-1
Chemical Family: metal chalcogenide
Synonym: None
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 1313-22-0 100% 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 compounds of
Emergency Overview:
manganese affect the central nervous system. Selenium causes shortness of breath, chills and headache.
Primary Routes of Exposure: Inhalation, 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.
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: none
Extinguishing Medium: carbon dioxide, foam or dry powder.
If this product is involved in a fire, firefighters should be equipped with 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 manganese oxide fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: Non-flammable material. 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
Handling and Storage: Store the material in a sealed container. Keep away from heat and moisture.
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: 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: -20 mesh black xtl
Molecular Weight: 133.9
Melting Point: no data
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: no data
Odor: not determined
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: no hazardous polymerization.
Conditions to Avoid: none
Incompatibility: oxidizing agents
Decomposition Products: selenium oxide and manganese oxide
SECTION 11: Toxicological Information
RTECS Data: No information available in RTECS.
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: Listed in the TSCA inventory.
SARA (Title 313): Title compound: See category codes N450 and N725 for reporting
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
