| CAS Number: | 80-10-4 |
| MDL Number: | MFCD00000489 |
| Molecular Formula: | C12H10Cl2Si |
| Molecular Weight: | 253.22 |
| Chemical Formula: | (C6H5)2SiCl2 |
| Color and Form: | colorless liq. |
| Note: |
Stability: moisture sensitive
Safety: Hazardous
Physical Characteristics: melting point -22°C, boiling point 304°C, flash point 316°F, density 1.204
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Diphenyldichlorosilane, min. 97% |
| Product Number: | 93-1407 |
| CAS Registry Number: | 80-10-4 |
| Formula: | (C6H5)2SiCl2 |
| EINECS Number: | 201-251-0 |
| Chemical Family: | organosilicon compounds |
| Synonym: | Diphenylsilyl dichloride |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 80-10-4 | 100 | no data | no data |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Inhalation may cause dizziness and headache. Corrosive to eyes, skin and mucous membranes. Harmful in contact with skin. |
| Primary Routes of Exposure: | Ingestion and inhalation |
| Eye Contact: | Causes burns to the eyes. |
| Skin Contact: | Causes burns to the skin. |
| Inhalation: | Corrosive to the nose, mucous membranes and respiratory tract. Can cause dizziness, headaches, nausea and impaired coordination. |
| Ingestion: | Corrosive to mouth throat and stomach. May cause dizziness, nausea, vomiting, pain and stomach upset. |
| Acute Health Effects: | Corrosive to skin, eyes and mucous membranes. Harmful in contact with skin. |
| Chronic Health Effects: | No information available on long term chromic 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 will need assistance in keeping their eye lids open. Get immediate medical attention. |
| Skin Exposure: | Wash the affected area immediately with water. Remove contaminated clothing 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 if directed by medical personnel. |
| SECTION 5: Fire Fighting Measures | |
|---|---|
| Flash Point: | 316°F |
| Autoignition Temperature: | no data |
| Explosion Limits: | no data |
| Extinguishing Medium: | dry chemical, carbon dioxide, water spray or foam. |
| Special Fire Fighting Procedures: | Fire fighters should be equipped with a NIOSH-approved positive pressure self-contained breathing and full protective clothing. |
| Hazardous Combustion and Decomposion Products: | 'If involved in a fire this material may emit toxic organic fumes and silica dust particulate. |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazards. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills can be absorbed into vermiculite or other suitable adsorbent. Larger spills must be contained in order to avoid contamination of the soil, sewers systems or bodies of water. Absorb the material into clay, or sawdust. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | Store in a cool, dry, well-ventilated area away from heat and direct sunlight. Keep containers tightly sealed. |
| SECTION 8: Exposure Controls and Personal Protection | |
|---|---|
| Eye Protection: | Always wear safety glasses. If pouring or transferring this substance wear a face shield for additional protection. |
| Skin Protection: | Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove. |
| Ventilation: | Work with this product in a well-ventilated area, preferably a 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: | colorless liq. |
| Molecular Weight: | 253.22 |
| Melting Point: | -22°C |
| Boiling Point: | 304°C |
| Vapor Pressure: | no data |
| Specific Gravity: | 1.204 |
| Odor: | none |
| Solubility in Water: | reacts with water |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | moisture sensitive |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | prolonged contact with moisture. |
| Incompatibility: | oxidizing agents, water, alcohols and halogens |
| Decomposition Products: | carbon dioxide, carbon monoxide, organic fumes, chlorinated organics, and silicon dioxide. |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Administration onto the skin (rabbit); Standard Draize test: 20 mg/24H. Administration into the eye (rabbit); Standard Draize test: 5 mg/24H. |
| Carcinogenic Effects: | No reported carcinogenic effects |
| Mutagenic Effects: | No reported mutagenic effects |
| Tetratogenic Effects: | No reported Teratogenic effects |
| 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): | Diphenyldichlorosilane |
| Hazard Class (CFR): | 8 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | II |
| UN ID Number (CFR): | UN# 1769 |
| Shipping Name (IATA): | Diphenyldichlorosilane |
| Hazard Class (IATA): | 8 |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | II |
| UN ID Number (IATA): | UN# 1769 |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory. |
| SARA (Title 313): | Title compound not listed. |
| Second Ingredient: | none |
| 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: | 6/05/2000 |
| Revision Date: | 8/01/2011 |