=====================  Product Identification  =====================

MSDS NAME:S0898 SILICON NITRIDE A-PHASE
NIIN:00F054076
MSDS Number: CFGLB
=== Responsible Party ===
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
Company:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Name:SILICON NITRIDE
CAS:12033-89-5

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Explanation of Carcinogenicity:NONE

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

First Aid:INGESTION: WASH OUT W/WATER IF PERSON IS CONSCIOUS. SKIN:
    FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS. INHALATION: REMOVE TO
    FRESH AIR. EYES: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS.
    OBTAIN MEDI CAL ATTENTION IN ALL CASES.

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

Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING TO PREVENT
    CONTACT W/SKIN & EYES.

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

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT. SWEEP UP. PLACE IN
    BAG & HOLD FOR DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WASH
    SITE AFTER PICKUP.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED-RESPIRATOR
Ventilation:MECHANICAL EXHAUST
Protective Gloves:CHEMICAL-RESISTANT
Eye Protection:SAFETY GOGGLES
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE.
Supplemental Safety and Health

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

Appearance and Odor:RED SOLID

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

Stability Indicator/Materials to Avoid:YES

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

Waste Disposal Methods:DISSOLVE/MIX W/COMBUSTIBLE SOLVENT & BURN IN
    CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER. DISPOSE OF
    IAW/FEDERAL, STATE & LOCAL REGULATIONS.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

*** END OF RECORD ***