TELEDYNE WAH CHANG HUNTSVILLE -- TUNGSTEN POWDER  -- 9630-00N052659
<pre>=====================  Product Identification  =====================

Product ID:TUNGSTEN POWDER
MSDS Date:10/01/1989
FSC:9630
NIIN:00N052659
=== Responsible Party ===
Company Name:TELEDYNE WAH CHANG HUNTSVILLE
Address:7300 HWY 20 WEST
City:HUNTSVILLE
State:AL
ZIP:35806
Country:US
Info Phone Num:205-837-1311
Emergency Phone Num:205-837-0285
CAGE:3G120
=== Contractor Identification ===
Company Name:TELEDYNE WAH CHANG
Address:7300 HIGHWAY 20 WEST
Box:City:HUNTSVILLE
State:AL
ZIP:35806-2052
Country:US
Phone:205-837-0285
CAGE:3G120

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

Ingred Name:TUNGSTEN
CAS:7440-33-7
RTECS #:YO7175000
Fraction by Wt: >99%
OSHA PEL:N/K 
ACGIH TLV:5 MG/M3 (MFR)

Ingred Name:MATLS TO AVOID:HYDROFLUORIC ACID & NITRIC ACID. VIGOROUS
    REACTION W/BROMINE TRIFLUORIDE. LEAD OXIDE MIXED W/ (ING 3)
RTECS #:9999999ZZ

Ingred Name:ING 2:TUNGSTEN BECOMES INCANDESCENT UPON HEATING. TUNGSTEN
    BECOMES INCANDESCENT IN COLD FLUORINE. IODINE (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3:PENTAFLUORIDE REACTS SPONTANEOUSLY W/TUNGSTEN WITH
    INCANDESCENCE. AVOID OXIDIZERS.
RTECS #:9999999ZZ

Ingred Name:SPILL RELEASE:REC TO REDUCE DUST GENERATION. DISPOSE OF
    MATL I/A/W ALL FED, STATE, AND LOCAL REGS. CONTAMD MATL (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5:MAY BE SOLD FOR RECLAIM.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INHAL OF TUNGSTEN MAY OR MAY NOT
    CAUSE TRANSIENT OR PERMANENT LUNG DAMAGE. TUNGSTEN MAY CAUSE SKIN
    IRRITATION. HOWEVER, THESE EFFECTS ARE GENERALLY ONLY FOUND WHEN
    THERE IS CONCURRENT EXPOSURE T O OTHER DUST(S).
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:EXPOSURE TO TUNGSTEN DUST OR FUME
    MAY AGGRAVATE CHRONIC RESPIRATORY DISEASE.

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

First Aid:EYE:FLUSH W/LARGE AMT OF WATER FOR 15 MINUTES. IF IRRIT
    OCCURS, SEEK MEDICAL ATTENTION. SKIN:WASH W/SOAP & WATER. IF
    IRRITATION OCCURS, SEEK MEDICAL ATTENTION. INHAL:REMOVE FROM
    EXPOSURE. IF NECESSARY  AID BREATHING AND SEEK MEDICAL ATTENTION.
    INGEST:SEEK MEDICAL ATTENTION.

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

Extinguishing Media:CLASS D FIRE EXTINGUISHING AGENTS, DRY POWDER.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:WHEN TUNGSTEN BURNS IN AIR IT FORMS WO*3
    WHICH SUBLIMES ABOVE 750C (TLV 5MG/M3 AS W). UNDER ABNORMAL CNDTNS,
    TUNGSTEN POWDER MAY PRESENT A FIRE HAZARD (SUPDAT)

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

Spill Release Procedures:AVOID DUST GENERATION. DO NOT CAUSE MATL TO
    BECOME AIRBORNE. PROVIDE ADEQ VENT. IF TLV IS EXCEEDED, CLEAN-UP
    PERSON NEED NIOSH/MSHA APPRVD DUST RESP. VACUUM (W/APPROP FILTER TO
    PVNT AIRBORNE DUST LEV  WHICH EXCEED TLV) OR WET CLEAN-UP METH ARE
    (ING 5)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:MAINTAIN GOOD HOUSEKEEPING PROCEDURES
    TO PVNT DUST ACCUM. WASH EXPOS SKIN @ END OF WORK SHIFT. DO NOT
    SHAKE CLTHG, RAGS/OTHER ITEMS TO REMOVE DUST.
Other Precautions:DUST SHOULD BE REMOVED BY WASHING/VACUUMING (W/APPROP
    FILTERS) THE CLTHG, RAGS OR OTHER ITEMS. PERIODIC MED EXAMINATIONS
    ARE REC FOR INDIVUALS REGULARLY EXPOSED TO DUST. NOTE:REPORTED IN
    EPA TSCA INVE NTORY, 1980.

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

Respiratory Protection:NIOSH/MSHA APPROVED DUST RESPIRATOR IS REQUIRED
    IF TLV IS EXCEEDED.
Ventilation:GENERAL AND LOCAL VENTILATION IS RECOMMENDED.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPVD SAFETY GLASSES .
Other Protective Equipment:NONE UNDER NORMAL CONDITIONS.
Work Hygienic Practices:WASH HANDS THORO AFTER HANDLING, BEFORE EATING
    OR SMOKING.
Supplemental Safety and Health
EXPLO HAZ:DEPENDING UPON PARTICLE SIZE, DISPERSION & EXPOS TO IGNIT
    SOURCE. THIS IS NOT EXPECTED UNDER NORM CNDTNS. TUNGSTEN POWDER,
    PARTICULARLY POWDER <1 MICRON (FSSS) CAN BE IGNITED IN AIR BY FRICT
    ION DURING BLENDING, MILLING, ETC., IF OVERBLENDED, OVERMILLED,
    ETC. FINE POWDERS MAY IGNITE SPONTANIOUSLY IN AIR.

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

Boiling Pt:B.P. Text:10652F,5900
Melt/Freeze Pt:M.P/F.P Text:6170F,3410C
Spec Gravity:19.3 (H*20=1)
Evaporation Rate &amp; Reference:NOT KNOWN
Solubility in Water:INSOLUBLE
Appearance and Odor:GRAY TO DARK GRAY POWDER. NO ODOR

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

Stability Indicator/Materials to Avoid:YES
TUNGSTEN IS VERY SLIGHTLY SOLUBLE IN NITRIC ACID, SULFURIC ACID & AQUA
    REGIA. IT IS SOLUBLE IN MIX OF (ING 2)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE.

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

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
    REGULATIONS .

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