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MSDS  : SILICON CARBIDE POWDER
CAS  : 409-21-2
14808-60-7
NAME  : silicon carbide; (typical chemical analysis: sic:98%,
silica, crystalline - quartz; (crystalline silica)
===================== Product Identification =====================

MSDS NAME:SILICON CARBIDE POWDER
NIIN:00N001208
MSDS Number: BCHGX
=== Responsible Party ===
Company:BUEHLER LTD
Address:41 WAUKEGAN RD
City:LAKE BLUFF
State:IL
ZIP:60044
Country:US
Info Phone Num:312-295-6500
Emergency Phone Num:312-295-6500
Preparer's Name:THOMAS R. DERAM
CAGE:09410
=== Contractor Identification ===
Company:BUEHLER LTD.
Address:41 WAUKEGAN RD.
Box:City:LAKE BLUFF
State:IL
ZIP:60044-1687
Country:US
Phone:847-295-8500
CAGE:09410

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

Name:SILICON CARBIDE; (TYPICAL CHEMICAL ANALYSIS: SIC:98%,
SI:0.63, SIO*2:0.57, C:0.25, FE:0.16, AL:0.23, CA:0.05, MG:0.05)
CAS:409-21-2
RTECS #:VW0450000
Fraction by Wt: 98%
Other REC Limits:15 MG/M3 DUST (MFR)
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9293

Name:SILICA, CRYSTALLINE - QUARTZ; (CRYSTALLINE SILICA)
CAS:14808-60-7
RTECS #:VV7330000
Fraction by Wt: <1%
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.1 MG/M3 RDUST;9293

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHALATION-ACUTE:MAY CAUSE
COUGHING,SHORTNESS OF BREATH,CHRONIC:MAY AFFECT BREATHING
CAPACITY.INGESTION:NO KNOWN ADVERSE AFFECTS BUT,INGESTION NOT
RECOMMENDED.SKIN:NOT ABSORBED THROUGH SKIN,MAY CAUSE
ABRASIONS.EYES:DUST MAY IRRITATE.
Explanation of Carcinogenicity:CRYSTALLINE SILICA: GRP 2A IARC, VOL 7,
P.341, 1987; ANTIC TO BE CARCIN, NTP 6TH ANNUAL RPT ON CARCINOGENS,
1991.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE KNOWN

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

Eyes:FLUSH W/LARGE AMOUNTS OF WATER FOR AT LEAST 15 MINS.
OBTAIN MEDICAL ASSISTANCE IF NEEDED. INHAL:REMOVE TO FRESH AIR.
APPLY ARTIFICIAL RESPIRATION. IF NEEDED, OBTAIN MEDICAL ASSISTANCE.
SKIN/INGES T:OBTAIN FIRST AIR OR MEDICAL ASSISTANCE IF NEEDED.

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

Extinguishing Media:USE MEDIA SUITABLE FOR SURROUNDING FIRE CONDITIONS
.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

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

Spill Release Procedures:NORMAL CLEAN UP PROCEDURES. NIOSH/MSHA
APPROVED RESPIRATOR MAY BE REQUIRED.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:HANDLE W/ ADEQUATE VENTILATION FOR
NUISANCE DUST,SEE OSHA 29 CFR 1910.94(VENTILATION) AND CFR
1910.1000(AIR CONTAMINANTS).
Other Precautions:NONE

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

Respiratory Protection:AS NEEDED, NIOSH/MSHA APPROVED DUST RESPIRATOR
(SEE OSHA 29 CFR 1910.134).
Ventilation:LOCAL EXHAST & MECHANICAL (GENERAL) RECOMMENDED.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES
Other Protective Equipment:NONE
Work Hygienic Practices:GOOD PERSONAL HYGIENE TO BE FOLLOWED AT ALL
TIMES.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

HCC:N1
Boiling Pt:B.P. Text:SUBLIMES
Melt/Freeze Pt:M.P/F.P Text:4172F,2300C
Spec Gravity:3.2 (H*2O=1)
Solubility in Water:INSOLUBLE
Appearance and Odor:CRYSTALLINE,GRANULAR,BLACK OR GREEN COLOR-NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:NONE KNOWN.

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

Waste Disposal Methods:STANDARD LANDFILL METHODS CONSISTENT W/
FEDERAL,STATE AND LOCAL LAWS.

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 ***
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