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

MSDS NAME:IL50-001, GLASS ENCLOSED MERCURY SWITCH
NIIN:00-636-3917
Status Code:A
MSDS Number: CKQHF
=== Responsible Party ===
Company:MICRO SWITCH, A DIVISION OF HONEYWELL
Address:11 W. SPRING STREET
City:FREEPORT
State:IL
ZIP:61032
Country:US
Info Phone Num:815-235-5500
Emergency Phone Num:815-235-5432
Resp. Party Other MSDS Num.:HONEYWELL ID #: IL-50-001
CAGE:KO531
=== Contractor Identification ===
Company:HONEYWELL INC. MICRO SWITCH DIVISION
Address:11 W SPRING ST
Box:City:FREEPORT
State:IL
ZIP:61032
Country:US
Phone:815-235-6592
CAGE:91929
Company:MICRO SWITCH, A DIVISION OF HONEYWELL
Address:11 W. SPRING STREET
Box:City:FREEPORT
State:IL
ZIP:61032
Country:US
Phone:815-235-5500
CAGE:KO531

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

Name:MERCURY
CAS:7439-97-6
RTECS #:OV4550000
= Wt:100.
OSHA PEL:SEE TABLE Z-2
ACGIH TLV:0.025 MG/M3
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

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

LD50 LC50 Mixture:NO INFORMATION AVAILABLE
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:AS SUPPLIED, THIS PRODUCT IS NOT
    HAZARDOUS. ANY DAMAGE TO THE GLASS ENCLOSURE MAY RELAEASE  MERCURY
    LIQUID &/OR VAPORS WHICH CAN BE EXTREMELY HAZARDOUS. EYE: MERCURY
    IS SLIGHTLY IRRITATING. SKIN: MAY  BE HARMFUL IF ABSORBED THROUGH
    THE SKIN. PROLONGED/REPEATED EXPOSURE MAY CAUSE IRRITATION, SKIN
    SENSITIZATION. BROKEN OR DAMAGED GLASS ENCLOSURE MAY RESULT IN CUTS
    OR ABRASIONS. INGESTION: LIQUID MERC URY IS POORLY ABSORBED THROUGH
    FROM THE GI TRACT, & ACUTE INGESTION HAS BEEN ASSOCIATED WITH
    POISONING ONLY IN THE PRESENCE OF DECREASED GUT MOTILITY.
    INHALATION: MERCURY VAPOR IS POISONOUS, IRRITATIN G TO THE
    RESPIRATORY SYSTEM. (SUPPL)
Explanation of Carcinogenicity:NO INFORMATION AVAILABLE. NOT LISTED ON
    NTP, OSHA, OR IARC LISTS OF CARCINOGENS.
Effects of Overexposure:INHALATION: MAY CAUSE INFLAMMATION OF THE
    RESPIRATORY TRACT, LUNG LESIONS, ACUTE KIDNEY DAMAGE & METAL FUME
    FEVER WHICH IS A TRANSIENT FLU-LIKE CONDITION INCLUDING FEVER,
    SWEATING, ACHES & PAINS & DIF FICULTY IN BREATHING. INHALATION MAY
    BE FATAL AS A RESULT OF SEVERE PULMONARY IRRITATION. ACUTE MERCURY
    POISONING CAN INVOLVE SWEATING, IRRITABILITY, INSOMNIA, LETHARGY,
    TACHYCARDIA, HYPERTENSION, & S KIN RASH.
Medical Cond Aggravated by Exposure:NONE PROVIDED BY MFR.

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

First Aid:EYE: FLUSH WITH WATER FOR 15 MINS. SEEK IMMEDIATE MEDICAL
    ATTENTION. SKIN: FLUSH IMMEDIATELY WITH WATER FOR 15 MINS, & THEN
    WASH SKIN THOROUGHLY WITH SOAP & WATER. REMOVE CONTAMINATED
    CLOTHING & SHOES . SEEK MEDICAL ATTENTION IF SYMPTOMS DEVELOP OR
    PERSIST. DISPOSE OF CONTAMINATED CLOTHING. INGESTION: DO NOT INDUCE
    VOMITING. SEEK IMMEDIATE MEDICAL ATTENTION. HAVE VICTIM RINSE MOUTH
    WITH WATER. DILU TE CONTENTS OF STOMACH BY ADMINISTERING 8 OZ OF
    WATER. NEVER GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS OR CONVULSING
    PERSON. INHALATION: REMOVE TO FRESH AIR. GET MEDICAL HELP.

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

Flash Point:NONE
Lower Limits:NOT AVAILABL
Upper Limits:NOT AVAILABL
Extinguishing Media:USE ANY MEDIA SUITABLE FOR THE SURROUNDING FIRES. 
    NON-COMBUSTIBLE, SUBSTANCE ITSELF DOES NOT BURN. GLASS ENCLOSURE
    MAY BECOME DAMAGED FROM EXCESSIVE HEAT & RELEASE MERCURY.
Fire Fighting Procedures:FIREFIGHTERS SHOULD WEAR PROTECTIVE CLOTHING
    INCLUDING SELF CONTAINED BREATHING APPARATUS. USE WATER SPRAY TO
    KEEP FIRE-EXPOSED CONTAINERS COOL. ISOLATE HAZARD AREA.
Unusual Fire/Explosion Hazard:GLASS ENCLOSURE MAY BECOME DAMAGED FROM
    EXCESSIVE HEAT & RELEASE MERCURY. FUMES MAY BE TOXIC & IRRITATING &
    MAY INCLUDE MERCURY VAPORS.

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

Spill Release Procedures:WEAR ADEQUATE PERSONAL PROTECTIVE EQUIPMENT.
    AVOID INHALATION OF DUSTS. VENTILATE THE AREA. KEEP UNNECESSARY
    PERSONNEL AWAY. CLOSE OFF AREA. IF MERCURY IS RELEASED, STOP THE
    FLOW OF MATERIAL & COLLECT	WITH SPILL KIT, ASPIRATION BOTTLE OR
    APPROVED MERCURY VACUUM, IF THIS IS WITHOUT RISK. DO NOT PERMIT
    CONTACT WITH SPILLED MATERIAL. PICK UP CONTAINED MATERIAL WITH
    SPILL KIT.
Neutralizing Agent:NONE PROVIDED BY MFR.

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

Handling and Storage Precautions:HANDLING: HANDLE THIS PRODUCT IN A
    MANNER TO PREVENT DAMAGE TO THE GLASS ENCLOSURE. DO NOT GET MERCURY
    OR BROKEN GLASS IN EYES, ON SKIN, OR ON CLOTHING. DO NOT BREATHE
    FUMES OR VAPORS FROM THIS MATERI AL IF GLASS ENCLOSURE IS DAMAGED
    OR BROKEN. USE THIS PRODUCT ONLY WITH ADEQUATE VENTILATION.
Other Precautions:KEEP AWAY FROM FOOD AND DRINKING WATER.

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

Respiratory Protection:IF VENTILATION IS NOT SUFFICIENT TO EFFECTIVELY
    REMOVE & PREVENT ACCUMULATION OF AIRBORNE VAPORS, MISTS OR FUMES
    CONTAINING MERCURY, APPROPRIATE NIOSH/MSHA RESPIRATORY PROTECTION
    MUST BE PROVIDED
Ventilation:USE LOCAL EXHAUSE & PROCESS ENCLOSURE TO CONTROL AIRBORNE
    MISTS & VAPORS. USE OF A CORROSION-RESISTANT VENTILATION SYSTEM IS
    RECOMMENDED
Protective Gloves:IMPERVIOUS GLOVES
Eye Protection:SAFETY GLASSES WITH SIDE SHIELDS, CHEMICAL GOGGLES, &/OR
    FACE SHIELD
Other Protective Equipment:NONE PROVIDED BY MFR.
Work Hygienic Practices:DO NOT EAT, DRINK OR SMOKE IN WORK AREAS.
    FOLLOW GOOD HYGIENE & HOUSEKEEPING PRACTICES.
Supplemental Safety and Health
HEALTH CONT: CHRONIC EXPOSURE CAN CAUSE NEUROBEHAVIORAL/PHYSHOLOGICAL
    CHANGES

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

HCC:Z2
Boiling Pt:=356.7C, 674.1F
B.P. Text:MERCURY
Melt/Freeze Pt:=-38.7C, -37.5F
M.P/F.P Text:MERCURY
Decomp Temp:Decomp Text:NONE PROVIDED BY MFR.
Vapor Pres:0.0012 MMHG@20C (MERCURY)
Vapor Density:7.0(AIR=1)
Spec Gravity:13.4 (H20=1) (MERCURY)
pH:NONE PROVIDED
Viscosity:NONE PROVIDED BY MFR.
Evaporation Rate & Reference:4 (BU ACETATE=1) (MERCURY
Solubility in Water:NONE PROVIDED BY MFR.
Appearance and Odor:GLASS SWITCH WITH LIQUID MERCURY, NO ODOR
Percent Volatiles by Volume:NONE PROVIDE
Corrosion Rate:NONE PROVIDED BY MFR

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

Stability Indicator/Materials to Avoid:YES
MERCURY & MERCURY VAPOR IS INCOMPATIBLE WITH ACETYLENE, ALUMINUM,
    AMINES, AZIDES, AMMONIA, BORON, DIIDOPHOSPHIDE, BROMINE,
    3-BROMOPROPYNE, CALCIUM, CHLORINE, CHLORINE DIOXIDE, COPPER,
    ETHYLENE OXIDE, LITHIUM, ACIDS, OXIDANT
Stability Condition to Avoid:NORMALLY STABLE. AVOID HEAT & CONTACT WITH
    INCOMPATIBLE MATERIALS.
Hazardous Decomposition Products:TOXIC MERCURY VAPORS
Conditions to Avoid Polymerization:WILL NOT OCCUR

===================  Toxicological Information	===================

Toxicological Information:EXPOSURE TO MERCURY CAN CAUSE TOXICITY TO THE
    CNS, CHARACTERIZED BY TREMOR, ATAXIA AND LOSS OF COORDINATION, TO
    THE PERIPHERAL NERVOUS SYSTEM INCLUDING DECREASED STRENGTH AND
    ABNORMAL REFLEX RESPONSES .  MERCURY CAN CAUSE MUTATION &/OR DNA
    DAMAGE IN BACTERIAL AND MAMMALIAN CELL CUTURES. OCCUPATIONAL HAS
    BEEN ASSOCIATED WITH SLIGHT INCREASE IN THE NUMBER OF OBSERVED
    CHROMOSOMAL ABERRATIONS. MERCURY  HAS BEEN REPORTED TO CAUSE MALE
    AND FEMALE FERTILITY, AND BIRTH DEFECTS INCLUDING CLEFT PALATE AND
    SKELETAL DEFECTS IN HUMANS. HOWEVER, INFO IS INCOMPLETE.

=====================  Ecological Information  =====================

Ecological:DUE TO THE NATURE OF MERCURY, IT IS EXPECTED TO BE HARMFUL
    TO AQUATIC LIFE IN LOW CONCENTRATIONS. FISH: LC50 (96 HR) CAT FISH=
    0.35 MG/L; LC50 (96 HR) BLUEGILL SUNFISH, RAINBOW TROUT, SNAKEHEAD
    FISH=  0.16-0.9 MG/L. AMPHIBIAN: LC50 (96 HR) RANA HEXADACTYLA
    (TADPOLE) = 0.051 PPM. INVERTEBRATE: LC50 (48 HR) MODIOLUS
    CARVALHOI (MOLLUSK) = 0.5 PPM; LC50 (96 HR) LYMNAEA ACUMINATA, MAIS
    COMMUNIS, HYDLRIL US FRANTZI, APLEXA HYPNORUM = 0.02 - 0.36 MG/L.

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

Waste Disposal Methods:ALL WASTES MUST BE HANDLED IN ACCORDANCE WITH
    LOCA, STATE & FEDERAL REGULATIONS. WASTES MAY REQUIRE AN EPA CODE
    FOR CORROSIVITY (D002). MERCURY SHOULD BE SALVAGED FOR PRUFICATION.
    DO NOT DISCHARGE MER CURY DOWN THE DRAIN.

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

SARA Title III Information:SARA 313: FORM R REPORTING REQUIRED FOR 1%
    DE MINIMUS CONCENTRATION. CERCLA: FINAL RQ= 1 LB (0.454 KG).
State Regulatory Information:"WARNING" THIS PRODUCT CONTAIN A CHEMICAL
    KNOWN TO THE STATE OF CALIFORNIA TO CAUSE
    REPRODUCTIVE/DEVELOPMENTAL EFFECTS: MERCURY (CAS # 7439-97-6)

=======================  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.

*** END OF RECORD ***