MATERIAL SAFETY DATA SHEET – SILICON METAL
 
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                            General Information
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Company's Name: Greenwich Metals, Inc. 
Company's Street: 22 West Putnam Avenue
Company's City: Greenwich
Company's State: CT
Company's Country: USA 
Company's Zip Code: 06830 
Company's Emerg Ph #: 203-622-4848 
Company's Info Ph #: 203-622-4848
Record No. For Safety Entry: 001 
Tot Safety Entries This Stk#: 001 
Status: SMJ 
Date MSDS Prepared: 04JAN10
MSDS Serial Number: BVJLT 
Hazard Characteristic Code: NK 
NSN: 343900N050156
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                     Ingredients/Identity Information
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Proprietary: NO 
Ingredient: SILICON
Ingredient Sequence Number: 01
Percent: 96 - 99.5% 
NIOSH (RTECS) Number: VW0400000 
CAS Number: 7440-21-3 
OSHA PEL: 15 MG/M3 TDUST 
ACGIH TLV: 10 MG/M3 TDUST 
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Proprietary: NO
Ingredient: IRON
Ingredient Sequence Number: 02
Percent: 2.50% Maximum
NIOSH (RTECS) Number: NO4565500
CAS Number: 7439-89-6
OSHA PEL: N/K (FP N)
ACGIH TLV: N/K (FP N)
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Proprietary: NO 
Ingredient: ALUMINUM 
Ingredient Sequence Number: 03
Percent: 2.00% Maximum 
NIOSH (RTECS) Number: BD0330000 
CAS Number: 7429-90-5 
OSHA PEL: 15 MG/M3 DUST 
ACGIH TLV: 10 MG/M3 DUST 
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Proprietary: NO 
Ingredient: CALCIUM
Ingredient Sequence Number: 04 
Percent: 1.0% Maximum
NIOSH (RTECS) Number: EV8040000 
CAS Number: 7440-70-2 
OSHA PEL: NOT ESTABLISHED 
ACGIH TLV: NOT ESTABLISHED 
Other Recommended Limit: NONE RECOMMENDED
 
 
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                     Physical/Chemical Characteristics
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Appearance And Odor: METALLIC SILVER; NO ODOR.
Melting Point: 2570F,1410C 
Specific Gravity: 2.33
Solubility In Water: NEGLIGIBLE 
 
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                      Fire and Explosion Hazard Data
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Extinguishing Media: PRODUCT NOT EXPECTED TO BURN BUT IF INVOLVED IN SECONDARY FIRE USE DRY POWDER, DRY SAND, WATER FOG.
Special Fire Fighting Proc: USE NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT (FP N).
Unusual Fire And Expl Hazrds: LUMP MATL: NONE. FINE MATL: DUST CAN BE
IGNITED WHEN SUSPENDED IN AIR; WILL PROPAGATE FLAME BUT IS NOT EXPECTED TO GENERATE SUFFICIENT PRESSURE TO EXPLODE.
Flammable Limits: NOT APPLICABLE
Flash Point: NOT APPLICABLE
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                              Reactivity Data
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Stability: YES 
Cond To Avoid (Stability): WHEN FINELY DIVIDED, AVOID CONTACT WITH
MOISTURE DURING PROLONGED STORAGE.
Materials To Avoid: CAUTION SHOULD BE OBSERVED WHEN USING W/OXIDIZERS &
ACIDS SUCH AS HYDROFLUORIC ACID. AVOID ASSOCIATED/RESULTING FUMES.
Hazardous Decomp Products: SM AMTS OF HYDROGEN IF MOISTURE IS PRESENT;
ALSO VERY SM AMTS OF ASH*3 OR PH*3 ON RARE OCCAS IF MOISTURE IS PRESENT.
Hazardous Poly Occur: NO 
Conditions To Avoid (Poly): NOT RELEVANT
 
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                            Health Hazard Data
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LD50-LC50 Mixture: NONE SPECIFIED BY MANUFACTURER. 
Route Of Entry - Inhalation: YES 
Route Of Entry - Skin: NO 
Route Of Entry - Ingestion: YES
Route Of Entry – Eyes: YES
Health Haz Acute And Chronic: METAL IS NON-TOXIC IN LUMP FORM & NO
RESIDUAL INJURY IS EXPECTED. HIGH CONCENTRATIONS OF DUST WILL CAUSE SOME
IRRITATION TO EYES, NOSE AND THROAT. CHRONIC: NONE KNOWN.
Carcinogenicity - NTP: NO 
Carcinogenicity - IARC: NO 
Carcinogenicity - OSHA: NO 
Explanation Carcinogenicity: NOT RELEVANT
Signs/Symptoms Of Overexp: SEE HEALTH HAZARDS.
Med Cond Aggravated By Exp: NONE SPECIFIED BY MANUFACTURER.
INHALATION: REMOVE FROM DUST AREA TO FRESH AIR WHEN INDICATED.
EYES: FLUSH EYES WITH WATER FOR AT LEAST 15 MINUTES.
 
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                   Precautions for Safe Handling and Use
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Steps If Matl Released/Spill: PICK UP BY BOBCAT OR SHOVEL AND STORE IN DRY CONTAINER. DO NOT USE WET MATERIAL.
Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER.
Waste Disposal Method: AVOID REPACKING MATERIAL WHICH IS WET IN CLOSED OR SEALED CONTAINERS. DISPOSE OF THE MATERIAL IN LANDFILL AS PER LOCAL, STATE AND FEDERAL REGULATIONS.
Precautions-Handling/Storing: CONTAINERS USED FOR STORAGE/SHIPMENT SHOULD BE VENTED TO PERMIT ESCAPE OF GASES BUT PREVENT ADMISSION OF WATER.
Other Precautions: GRINDING WET MATL MAY BE HAZ DUE TO POSS OF HYDROGEN
EVALUATION. MILLING: NO PROBLEMS EXPECTED WHEN SIZING TO MINUS 8 MESH. PREC SUCH AS USE OF INERT ATMOSPHERE ARE ADVISABLE WHEN SIZING TO MINUS 200 MESH W/MORE THAN 50% MINUS 325 MESH.
 
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                             Control Measures
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Respiratory Protection: LUMP: NONE. DUST OR FINE MATERIAL: NIOSH/MSHA
APPROVED RESPIRATOR IN EXCESSIVE DUST.
Ventilation: LOCAL VENTILATION TO ACHIEVE DUST CONTROL & TO ACHIEVE AIR
CHANGE IN CONFINED SPACE SITUATIONS.
Protective Gloves: GLOVES (FP N). 
Eye Protection: ANSI APPRVD CHEM WORKERS GOGGLES (FP N). 
Other Protective Equipment: STANDARD HAND PROTECTION REQUIRED AS METAL MAY HAVE SHARP EDGES.
Work Hygienic Practices: AS WITH OTHER METAL DUSTS, AVOID CONTAMINATION OF CLOTHING.
Suppl. Safety & Health Data: NONE SPECIFIED BY MANUFACTURER.
 
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                            Transportation Data
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DOT Hazardous Classification:     NOT REGULATED
 
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                               Disposal Data
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FOLLOW LOCAL, STATE, AND FEDERAL GUIDELINES FOR DISPOSAL
 
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                                Label Data
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Label Required: YES 
Label Status: G 
Common Name: SILICON 
Chronic Hazard: NO 
NFPA Rating:  
        Fire:       0
        Health:     1
        Reactivity: 0
        Special:    0
 
 
 
Special Hazard Precautions: ACUTE: METAL IS NON-TOXIC IN LUMP FORM & NO
RESIDUAL INJURY IS EXPECTED. HIGH CONCENTRATIONS OF DUST WILL CAUSE SOME
IRRITATION TO EYES, NOSE AND THROAT. CHRONIC: NONE LISTED BY MANUFACTURER.
Protect Eye: Y 
Protect Skin: Y 
Protect Respiratory: Y 
Label Name: Greenwich Metals, Inc.
Label Street: 22 West Putnam Avenue 
Label City: Greenwich Metals, Inc. 
Label State: CT 
Label Zip Code: 06830
Label Country: US 
Label Emergency Number: 203-622-4848

 

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Disclaimer:
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Greenwich Metals, Inc. provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. GREENWICH METALS, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, GREENWICH METALS, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.