JOHNSON MATTHEY CATALOG CO -- SILICON LUMP, 10665  -- 6810-00N058462
<pre>=====================  Product Identification  =====================

Product ID:SILICON LUMP, 10665
MSDS Date:04/05/1988
FSC:6810
NIIN:00N058462
=== Responsible Party ===
Company Name:JOHNSON MATTHEY CATALOG CO
Address:30 BOND ST
City:WARD HILL
State:MA
ZIP:01835-0747
Country:US
Info Phone Num:508-521-6300
Emergency Phone Num:800-424-9300(CHEMTREC)
CAGE:0JVJ1
=== Contractor Identification ===
Company Name:JOHNSON MATTHEY CATALOG CO INC ALFA AESAR
Address:30 BOND ST
Box:City:WARD HILL
State:MA
ZIP:01835-0747
Country:US
Phone:978-521-6300
CAGE:0JVJ1

=============  Composition/Information on Ingredients  =============

Ingred Name:SILICON
CAS:7440-21-3
RTECS #:VW0400000
Fraction by Wt: 100%
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INGEST/SKIN CONTACT:NONE KNOWN.
    EYE CONTACT/INHAL:DUST OR POWDER MAY CAUSE IRRITATION.
    CHRONIC:INGEST/SKIN CONTACT:NONE KNOWN. EYE CONTACT:POWDER OR DUST
    MAY CAUSE IRRITATION, CONJUNCTIVITIS. IN HAL:POWDER OR DUST MAY
    CAUSE IRRITATION.
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE KNOWN.

=======================  First Aid Measures  =======================

First Aid:INGEST:ONE SHOULD OBTAIN MEDICAL ATTENTION. SKIN:REMOVE
    CONTAMINATED CLOTHING, FLOOD SKIN W/LARGE AMOUNTS OF WATER. IF
    IRRITATION PERSISTS SEEK MEDICAL ATTENTION. EYE:IMMEDIATELY FLUSH,
    INCLUDING UNDE R EYELIDS, W/LARGE AMOUNTS OF WATER FORAT LEAST 15
    MINUTES. CALL MD. INHAL:ONE SHOULD OBTAIN MEDICAL ATTENTION.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:FLAMM SOLID IN POWDERED FORM. IF INVOLVED IN FIRE,
    DO NOT USE WATER, CO*2/HALOGENTATED EXTING AGENTS. USE DRY (SUPDAT)
Fire Fighting Procedures:USE NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP .
    NO SPECIAL FIRE FIGHTING PROCS NEEDED. IF W/OUT RISK, REMOVE MATL
    FROM FIRE AREA. COOL CNTNR W/ (SUPDAT)
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

==================  Accidental Release Measures  ==================

Spill Release Procedures:WEARING FULL PROTECTIVE EQUIPMENT, COVER SPILL
    W/DRY SAND OR VERMICULITE. MIX WELL & CAREFULLY TRANSFER TO A
    CONTAINER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED. STORE
    IN A COOL, DRY, WELL-VENTILATED AREA.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:NIOSH/MSHA APPROVED HIGH EFFICIENCY PARTICLE
    RESPIRATOR.
Ventilation:LABORATORY FUME HOOD.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:LAB COAT & APRON, FLAME & CHEM RESIST
    COVERALLS, EYEWASH CAPABLE OF SUSTAINED FLUSHING, SAFETY DRENCH
    SHOWER & (SUPDAT)
Work Hygienic Practices:WASH THOROUGHLY AFTER USE.
Supplemental Safety and Health
EXTING MEDIA:CHEM EXTING AGENTS, DRY SAND/DRY GROUND DOLOMITE. FIRE
    FIGHT PROC:WATER FROM MAX DIST. MATLS TO AVOID:OXIDIZERS, METALLIC
    HALIDES, INTERHALOGENS, ACIDS, STRONG BASES, POWDERED METALS, COF
    *2, MNF*2, PH*2C*2. OTHER PROT EQUIP:HYGIENIC FACILITIES FOR
    WASHING.

==================  Physical/Chemical Properties  ==================

Boiling Pt:B.P. Text:4856F,2680C
Melt/Freeze Pt:M.P/F.P Text:2570F,1410C
Vapor Pres:ESSNTLY 0
Spec Gravity:2.329 (H*2O=1)
Evaporation Rate &amp; Reference:0 (BUTYL ACETATE=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:STEEL GREY LUMP; ODORLESS.
Percent Volatiles by Volume:0

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
ALKALI CARBONATES, ALUMINUM & LEAD OXIDE, CALCIUM, CESIUM CARBIDE,
    CHLORINE, FLUORINE, SODIUM-POTASSIUM ALLOY, (SUPDAT)
Stability Condition to Avoid:WHEN HEATED, WILL REACT W/WATER OR STEAM
    TO PRODUCE HYDROGEN GAS.
Hazardous Decomposition Products:SIO*2, H*2.

====================  Disposal Considerations  ====================

Waste Disposal Methods:CONSULT STATE, LOCAL OR FEDERAL EPA REGULATIONS
    FOR PROPER DISPOSAL.

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