| Section 1 Identification |
| Product Number: | C2471 |
| Health: | 1 |
| Flammability | 1 |
| Reactivity | 1 |
Hazard Rating:
| Least | Slight | Moderate | High | Extreme |
| 0 | 1 | 2 | 3 | 4 |
NA = Not Applicable NE = Not Established
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| Product Name: | Silicon 98.5% Lumps |
| Trade/Chemical Synonyms | |
| Formula: | Si |
| RTECS: | VW0400000 |
| C.A.S | CAS# 7440-21-3 |
| Section 2 Component Mixture |
| Sara 313 | Component | CAS Number | % | Dim | Exposure Limits: |
|
Silicon 98.5% | CAS# 7440-21-3 | 100 % | W/W | OSHA TWA 15 mg/mƒ (total dust) |
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| Section 3 Hazard Identification (Also
see section 11) |
| Generally not hazardous in normal handling, however good laboratory practices should always be used. Avoid long term exposure to skin or by inhalation. |
| Section 4 First Aid Measures |
Generally not hazardous in normal handling, however good laboratory practices should always be used. Avoid long term exposure to skin or by inhalation.
FIRST AID: SKIN: Wash exposed area with soap and water. If irritation persists, seek medical attention.
EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen
INGESTION: Give several glasses of milk or water. Vomiting may occur spontaneously, but it is not necessary to induce. Never give anything by mouth to an unconscious person.
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| Section 5 Fire Fighting Measures |
| Fire Extinguisher Type: | Dry Chemical powder |
| Fire/Explosion Hazards: | Emits toxic fumes under fire conditions, reacts violently with water, producing explosive hydrogen gas. |
| Fire Fighting Procedure: | Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing. |
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| Section 6 Accidental Release
Measures |
Sweep up and place in suitable (fiberboard) containers for reclamation or later disposal.
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| Section 7 Handling and
Storage |
| Store in a cool dry place. Do not get in eyes, on skin, on clothing. Wash thoroughly after handling. Keep tightly closed |
| Section 8 Exposure Controls
& Personal Protection |
Respiratory Protection:NIOSH/MSHA-approved respirator
Other Protective Equipment:
Wear appropriate clothing to prevent skin exposure
|
| Section 9 Physical and Chemical Properties |
| Melting Point: | 1410C | Specific Gravity | 2.330
|
| Boiling Point: | 2355C |
Percent Volatile by Volume: | 0 |
| Vapor Pressure: | 1 mm @ 1724°F |
Evaporation Rate: | 0 |
| Vapor Density: |
Information not available |
Evaporation Standard: |
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| Solubility in Water: |
Almost insoluble in H2O |
Auto ignition Temperature: |
Not applicable |
| Appearance and Odor: |
Grey powder |
Lower Flamm. Limit in Air: |
Not applicable |
| Flash Point: |
Information not available |
Upper Flamm. Limit in Air: |
Not applicable |
|
| Section 10 Stability and Reactivity Information |
| Stability: Stable | Conditions to Avoid: Incompatibilities |
Materials to Avoid:
Reacts violently with halogens, alkali, and oxidizing agents, and water |
Hazardous Decomposition Products:
Not known to occur |
| Hazardous Polymerization:Will Not Occur |
| Condition to Avoid:None known |
|
| Section 11
Additional Information |
| Effects of overexposure. Acute and chronic: May be irritating to mucous membrane and upper respiratory tract. Target organ: Lungs, thorax, and respiration. Persons with pre-existing disorders may be more susceptible. |
| DOT Classification: Not Regulated |
DOT regulations may change from time to time. Please
consult the most recent version of the relevant regulations.
| Revision No:0 | Date Entered: 9/1/2006 |
Approved by: WPF |
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