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CAS Number: 12013-56-8
Product Catalog

93-2043
Calcium Calcium silicide, 90% (~4% Fe, ~6% Ba+Al)
CAS Number: 12013-56-8
MDL Number: MFCD00015977
Molecular Formula: CaSi2
Molecular Weight: 96.25
Chemical Formula: CaSi2
Color and Form: -325 mesh pwdr.
Note:  

Safety: Hazardous

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SECTION 1: Product Identification
Chemical Name: Calcium silicide, 90% (~4% Fe, ~6% Ba+Al)
Product Number: 93-2043
CAS Registry Number: 12013-56-8
Formula: CaSi2
EINECS Number: 234-588-7
Chemical Family: metal silicide
Synonym: Calcium disilicide
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 12013-56-8 95 10mg(Si)/m3 10mg(Si)/m3
iron 7439-89-6 5 1mg(Fe)/m3 1mg(Fe)/m3
SECTION 3: Hazards Identification
Emergency Overview: Irritating to skin, eyes, mucous membranes 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: Irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No specific information is available on the physiological effects of ingestion. Causes irritation of the digestive tract.
Acute Health Effects: Irritating to skin, eyes and respiratory tract.
Chronic Health Effects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: 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.
Ingestion: 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: not applicable
Autoignition Temperature: none
Explosion Limits: none
Extinguishing Medium: sand, CO2, or dry powder extinguisher. Use no water.
Special Fire Fighting Procedures: If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self- contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire this material may produce toxic fumes and gases and oxides if silicon.
Unusual Fire or Explosion Hazards: Highly flammable. Fire or explosion hazard in the form of a fine dust mixed with air and/or moisture.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: In the case of a spill, the material should be covered with dry soda ash, limestone, or sand. Place in open container. Flammable hydrogen evolution may occur if wet.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly sealed container in a cool dry place. Use good housekeeping practice to avoid accumulation of spilled dust, a fire hazard.
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.
Respirator: 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.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: -325 mesh powder
Molecular Weight: 96.25
Melting Point: no data
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: no data
Odor: none
Solubility in Water: reacts violently with water
SECTION 10: Stability and Reactivity
Stability: moisture sensitive
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: Contact of fine dust with water or mineral acids will form spontaneously flammable silane gas.
Incompatibility: mineral acids, oxidizing agents
Decomposition Products: Calcium and silicon oxides
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): Calcium silicide
Hazard Class (CFR): 4.3
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 1405
Shipping Name (IATA): Calcium silicide
Hazard Class (IATA): 4.3
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 1405
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: Not listed under TSCA or SARA
Third Ingredient: none
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 10/22/2003
Revision Date: 4/27/2010

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