SUPELCO INC -- 5% DMDCS IN TOLUENE (SYLON CT), 33065-U  -- 6810-00N091839
<pre>=====================  Product Identification  =====================

Product ID:5% DMDCS IN TOLUENE (SYLON CT), 33065-U
MSDS Date:02/06/1996
FSC:6810
NIIN:00N091839
Status Code:A
=== Responsible Party ===
Company Name:SUPELCO INC
Address:SUPELCO PARK
City:BELLEFONTE
State:PA
ZIP:16823-0048
Country:US
Info Phone Num:814-359-3441
Emergency Phone Num:814-359-3441
Resp. Party Other MSDS Num.:I330650
CAGE:54968
=== Contractor Identification ===
Company Name:SIGMA-ALDRICH INC.
Address:3050 SPRUCE STREET
Box:14508
City:ST. LOUIS
State:MO
ZIP:63103
Country:US
Phone:314-771-5765/414-273-3850X5996
Contract Num:N61331-99-M-0015
CAGE:54968

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

Ingred Name:SILANE, DICHLORODIMETHYL- (DIMETHYLDICHLOROSILANE)
    ((CH3)2SICL2)
CAS:75-78-5
RTECS #:VV3150000
= Wt:5.

Ingred Name:BENZENE, METHYL-; (TOLUENE). LD50:(ORAL,RAT) 5000 MG/KG.
CAS:108-88-3
RTECS #:XS5250000
= Wt:95.
OSHA PEL:100 PPM
ACGIH TLV:188 MG/M3;50 PPM
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:LD50:(ORAL,RAT) 636 MG/KG & SEE INGS.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:IRRITATES EYES. IRRITATES NOSE AND
    THROAT. HEADACHE. DIZZINESS. NOTE: TOLUENE APPEARS ON THE NAVY LIST
    OF OCCUPATIONAL CHEMICAL REPRODUCTIVE HAZARDS. SEEK CONSULTATION
    FROM APPROPRIATE HEALTH PROFESSI ONALS CONCERNING LATEST HAZARD
    LIST INFORMATION & SAFE HANDLING & EXPOSURE INFORMATION .
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:EYES: FLUSH WITH WATER FOR AT LEAST 15 MINUTES. SKIN:
    PROMPTLY FLUSH WITH MILD SOAP AND LARGE VOLUMES OF WATER.
    INHALATION: IMMEDIATELY MOVE TO FRESH AIR. IF BREATHING STOPS, GIVE
    ARTIFICIAL RESPIRATI ON. INGESTION: NEVER GIVE ANYTHING BY MOUTH TO
    AN UNCONSCIOUS PERSON. NEVER TRY TO MAKE AN UNCONSCIOUS PERSON
    VOMIT. DO NOT INDUCE VOMITING.

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

Flash Point:=4.4C, 40.F
Lower Limits:1%
Upper Limits:7%
Extinguishing Media:CO*2, DRY CHEMICAL, ALCOHOL FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:REACTS WITH WATER TO RELEASE TOXIC
    HYDROGEN CHLORIDE GAS. THE FOLLOWING TOXIC VAPORS ARE FORMED WHEN
    THIS MATERIAL IS HEATED TO DECOMPOSITION: HYDROGEN CHLORIDE.

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

Spill Release Procedures:TAKE UP WITH ABSORBENT MATERIAL. VENTILATE
    AREA. ELIMINATE ALL IGNITION SOURCES.

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

Handling and Storage Precautions:STORE IN SEALED CONTAINER IN COOL, DRY
    LOCATION. KEEP AWAY FROM MOISTURE. STORE IN DRY, WELL VENTILATED
    AREA. KEEP AWAY FROM IGNITION SOURCES.
Other Precautions:AVOID EYE OR SKIN CONTACT. AVOID BREATHING VAPORS.

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

Respiratory Protection:WEAR NIOSH APPROVED FACE MASK WITH ORGANIC VAPOR
    CANISTER.
Ventilation:USE ONLY IN EXHAUST HOOD.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE WASH & DELUGE SHOWER MEETING ANSI DESIGN
    CRITERIA .
Supplemental Safety and Health

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

Boiling Pt:=111.C, 231.8F
Melt/Freeze Pt:=-93.C, -135.4F
Vapor Pres:22 MM @ 20C
Vapor Density:3.2(AIR=1)
Spec Gravity:0.87 G/ML C (WATER=1)
Evaporation Rate &amp; Reference:2.0 (BUTYL ACETATE=1)
Solubility in Water:0.05
Appearance and Odor:CLEAR, COLORLESS LIQUID; SWEET ODOR.
Percent Volatiles by Volume:10

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

Stability Indicator/Materials to Avoid:YES
WATER, ALCOHOLS.
Stability Condition to Avoid:WILL REACT WITH ATMOSPHERIC MOISTURE TO
    PRODUCE HCL.
Hazardous Decomposition Products:HYDROGEN CHLORIDE.

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

Waste Disposal Methods:COMPLY WITH ALL APPLICABLE FEDERAL, STATE AND
    LOCAL REGULATIONS.

=====================  Regulatory Information  =====================

SARA Title III Information:TOLUENE IS SUBJECT TO THE REPORTING
    REQUIREMENTS OF SARA TITLE III, SECTION 313.

=======================  Other Information  =======================

 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.