| 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
| 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 |