MSDS
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MATERIAL SAFETY DATA SHEET
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| PRODUCT IDENTIFICATION | ||
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TRADE NAME:
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Silicon (Semiconductor Grade, Solar Grade, Optical
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Grade or powder)
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CHEMICAL NAME:
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Silicon
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CHEMICAL FAMILY:
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Nonmetal
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CHEMICAL FORMULA:
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Si
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CAS NO:
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7440-21-3
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THIS MATERIAL IS IN COMPLIANCE WITH THE TOXIC SUBSTANCE CONTROL ACT (15 USC 2601-2629)
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| COMPONENTS | ||
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COMPONENTS NAME:
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Silicon-NL
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CAS NO.:
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744-21-3
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EXPOSURE LIMIT:
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10 mg/M-3 TWA-8 total. (ACGIH) 5 mg/M-3 respirable fraction. 15 mg/m-3 TWA-8 total (OSHA)
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NOTE: Product includes material that may be doped with aluminum, boron or phosphorous at or below 5000 ppm (0.5%)
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Carcinogenicity listing of the above indicated by: @=NTP;#=IARC; &=OSHA;*=Other; NL=Not listed
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| CHEMICAL AND PHYSICAL PROPERTIES | ||
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APPEARANCE/ODOR:
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Steel gray crystal or powder/no odor.
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MELTING POINT:
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1410 Degrees Centigrade.
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BOILING POINT:
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2355 Degrees Centigrade.
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VAPOR PRESSURE:
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Not applicable.
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SOLUBILITY IN WATER:
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Insoluable.
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SPECIFIC GRAVITY:
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2.33
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| FIRE AND EXPLOSION HAZARDS | ||
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FLASH POINT (METHOD)
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Non Flammable.
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FLAMMABLE LIMITS:
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Not applicable.
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EXTINGUISHING MEDIA:
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Use media appropriate for surrounding fire.
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HAZARDOUS THERMAL DECOMPOSITION PRODUCTS:
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None.
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SPECIAL FIRE FIGHTING PROCEDURES:
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None required.
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UNUSUAL FIRE AND EXPLOSION HAZARDS:
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Lump material is not combustible. Dust can be readily ignited, propagate flame and generate pressure and/or explosion.
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MILLING:
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No problem associated with sizing to 8 mesh. Precautions such as the use of inert atmosphere are advisable when sizing to 200 mesh with more than 50% minus 325 mesh.
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| REACTIVITY DATA | ||
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STABILITY:
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Stable (Semiconductor Grade, Solar Grade, Optical
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Grade or Powder)
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CONDITIONS TO AVOID:
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None Known
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MATERIALS TO AVOID:
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Strong acids and bases and resulting fumes.
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HAZARDOUS POLYMERIZATION:
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Will not occur.
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| HEALTH HAZARDS | ||
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INHALATION:
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Considered a "nuisance particulate"
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EYE CONTACT:
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Not expected to be an eye irritant.
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SKIN ABSORPTION:
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Not expected to be a route of exposure.
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INGESTION:
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Not expected to be a primary route of exposure.
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CHRONIC EFFECTS OF OVEREXPOSURE:
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None Known
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| EMERGENCY FIRST AID PROCEDURES | ||
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INHALATION:
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If inhaled, remove to fresh air.
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EYE CONTACT:
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Begin immediate eye irrigation with cool water.
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SKIN CONTACT:
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Wash contaminated area with soap and water.
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INGESTION:
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If swallowed, give two glasses of water.
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| EXPOSURE CONTROL INFORMATION | ||
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EXPOSURE LIMITS:
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See "Components" section.
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EYE PROTECTION:
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Safety glasses or chemical goggles.
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PROTECTIVE GLOVES:
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Not required.
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RESPIRATORY PROTECTION:
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NIOSH approved dust respirator where dusting
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may occur.
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MECHANICAL VENTILATION:
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Recommended.
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LOCAL VENTILATION:
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At source of dust.
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OTHER:
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None needed.
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| HANDLING OF WASTE | ||
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SPILLS OR LEAKS:
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Sweep or shovel spills into appropriate container for disposal. Residue may be washed down with water.
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DISPOSAL METHODS:
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Under the CERLA/RCRA regulations in effect December 29, 1986, this product is not regulated hazardous waste or material. Therefore it may be disposed of as an industrial waste in a manner acceptable to good waste management practice and in compliance with applicable local, state and federal regulations.
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STORAGE REQUIREMENT:
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No special storage required. | |
