===================== Product Identification =====================
MSDS NAME:21561-9 SILICON POWDER-325 MESH 99%
NIIN:00F053965
MSDS Number: CFGDQ
=== 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 *97-2*
CAS:7440-21-3
RTECS #:VW0400000
Fraction by Wt: 99%
ACGIH TLV:10 MG/CUM
===================== Hazards Identification =====================
LD50 LC50 Mixture:ORAL LD50(RAT): 3160 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:MAY BE HARMFUL BY INHALATION,
INGESTION/SKIN ABSORPTION. EYES/SKIN: IRRITATION. INHALATION:
IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION.
======================= First Aid Measures =======================
Eyes: WASH W/COPIOUS AMOUNTS OF WATER. SKIN: WASH W/SOAP &
COPIOUS AMOUNTS OF WATER. INHALATION: REMOVE TO FRESH AIR. GIVE
CPR/OXYGEN IF NEEDED. INGESTION: WASH OUT MOUTH W/WATER IF
CONSCIOUS. OBTAIN MEDICAL ATTENTION IN ALL CASES.
===================== Fire Fighting Measures =====================
Extinguishing Media:DRY CHEMICAL POWDER.
Fire Fighting Procedures:DON'T USE WATER. WEAR SCBA & PROTECTIVE
CLOTHING.
Unusual Fire/Explosion Hazard:FLAMMABLE SOLID. CAPABLE OF CREATING A
DUST EXPLOSION. EMITS TOXIC FUMES UNDER FIRE CONDITONS. REACTS
W/WATER TO LIBERATE FLAMMABLE &/EXPLOSIVE GAS.
================== Accidental Release Measures ==================
Spill Release Procedures:EVACUATE AREA. SHUT OFF SOURCES OF IGNITION.
WEAR SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A
BAG & HOLD FOR WASTE DISPOSAL. USE NONSPARKING TOOLS. AVOID RAISING
DUST. VENTILATE ARE A & WASH AFTER MATERIAL PICKUP IS COMPLETE.
====================== Handling and Storage ======================
Handling and Storage Precautions:KEEP TIGHTLY CLOSED. KEEP AWAY FROM
HEAT, SPARKS & OPEN FLAME.
Other Precautions:AVOID CONTACT. DON'T BREATHE DUST.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER & EYE BATH, PROTECTIVE
CLOTHING.
Work Hygienic Practices:DISCARD CONTAMINATED CLOTHING & SHOES. WASH
THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
================== Physical/Chemical Properties ==================
Spec Gravity:2.33
Appearance and Odor:GREY POWDER
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, HYDROGEN FLUORIDE.
Stability Condition to Avoid:MOISTURE, HEAT, SPARKS, OPEN FLAME.
==================== Disposal Considerations ====================
Waste Disposal Methods:REUSE/RECYCLE 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.
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