MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION -- TETRAHYDROFURAN -- 6810-01-271-4835 
=====================  Product Identification  =====================

Product ID:TETRAHYDROFURAN
MSDS Date:04/06/1989
FSC:6810
NIIN:01-271-4835
=== Responsible Party ===
Company Name:MALLINCKRODT INC. SCIENCE PRODUCTS DIVISION
Address:PARIS BYPASS
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:800-354-2050(PRESS 3)/314-982-5000
Emergency Phone Num:800-354-2050/314-539-1600
CAGE:62910
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910

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

Ingred Name:TETRAHYDROFURAN
CAS:109-99-9
RTECS #:LU5950000
OSHA PEL:200 PPM;250 PPM STEL
ACGIH TLV:200 PPM;250 PPM STEL
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Ingred Name:OTHER PREC:STATIC SPARKS. STOR & USE AREAS SHOULD BE NO
    SMOKING AREAS. USE NON-SPARKING TYPE TOOLS & EQUIPMENT. (ING 3)
RTECS #:9999999ZZ

Ingred Name:ING 2:DO NOT USE COMPRESSED AIR FOR FILLING,
    DISCHARGING/HANDLING. PEROXIDES CAN BE REMOVED BY TREATMENT
    W/STRONG(ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3:FERROUS SULFATE SOLUTION MADE SLIGHTLY ACIDIC
    W/SODIUM BISULFITE. KEEP AWAY FROM HEAT, SPARKS & FLAME. (ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4:KEEP CNTNR CLOSED. USE W/ADEQ VENT. AVOID BRTHG VAP.
    AVOID CNTCT W/EYES, SKIN & CLTHG.
RTECS #:9999999ZZ

Ingred Name:VENT:IT CAN CONTROL EMISSIONS OF CONTAMINANT AT SOURCE,
    PVNTG DISPERSION OF IT INTO GEN WORK AREA. PLEASE REFER (ING 7)
RTECS #:9999999ZZ

Ingred Name:ING 6:TO ACGIH DOCUMENT, "INDUSTRIAL VENTILATION, A MANUAL
    OF RECOMMENDED PRACTICES", MOST RECENT EDITION, FOR DETAILS.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHAL:THF IS AN ANESTHETIC AGENT IN
    HIGH CONCENTRATIONS. OVEREXPOSURE MAY CAUSE IRRITATION OF THE NOSE
    & THROAT, DIZZINESS & HEADACHE. INGEST:IRRITATING TO MUCOUS
    MEMBRANES. MAY CAUSE SORE THROAT & AB DOMINAL PAIN. MAY CAUSE
    LIVER/KIDNEY INJURY. SKIN:CAUSES IRRITATION W/REDNESS & PAIN.
    EYE:IRRITATING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:TO EYE TISSUE.
Medical Cond Aggravated by Exposure:PERSONS W/PRE-EXISTING SKIN
    DISORDERS OR EYE PROBLEMS OR IMPAIRED LIVER OR KIDNEY FUNCTION MAY
    BE MORE SUSCEPTIBLE TO EFFECTS OF SUBSTANCE.

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

First Aid:INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG,GIVE ARTF RESP. IF
    BRTHG DFCLT,GIVE O*2. CALL MD. INGEST:GET IMMED MED ATTN. IF MD NOT
    IMMED AVAIL, INDUCE VOMIT BY GIVING 2 GLASSES OF WATER & STICKING
    FINGER  DOWN THROAT. NEVER GIVE ANYTHING BY MOUTH TO UNCON PERSON.
    SKIN:IMMED FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MIN WHILE
    REMOVING CONTAMD CLTHG/SHOES. WASH CLTHG BEFORE REUSE.CALL MD
    IMMED. (SUPP DATA)

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

Flash Point Method:CC
Flash Point:6F,-14C
Lower Limits:1.8%
Upper Limits:11.8%
Extinguishing Media:DRY CHEMICAL, FOAM OR CARBON DIOXIDE. WATER SPRAY
    MAY BE USED TO KEEP FIRE EXPOSED CONTAINERS COOL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT . WATER MAY BE USED TO FLUSH SPILLS AWAY FROM
    EXPOS & TO DILUTE SPILLS TO NON-FLAMM MIXTURES.
Unusual Fire/Explosion Hazard:ABOVE FLASH POINT, VAP-AIR MIXT EXPLOSIVE
    W/I FLAMM LIM. MAY FORM EXPLO ORG PEROXIDES WHEN EXPSD TO AIR/LIGHT
    OR W/AGE. VAPS CAN FLOW ALONG SURFS TO (SUPP DATA)

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

Spill Release Procedures:VENT AREA OF LEAK/SPILL. REMOVE ALL SOURCES OF
    IGNIT. CLEAN-UP PERSONNEL REQ PROT CLTHG & RESP PROT FROM VAPS.
    CONTAIN & RECOVER LIQ WHEN POSS. USE NON-SPARKING TOOLS & EQUIP.
    COLLECT AS HAZ WASTE & A TOMIZE IN SUITABLE RCRA APPRVD COMBUST
    (SUPP DATA)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:PROTECT AGAINST PHYSICAL DAMAGE. STORE
    IN COOL, DRY, WELL-VENT LOCATION, AWAY FROM DIRECT SUNLIGHT & ANY
    AREA WHERE FIRE HAZARD MAY BE ACUTE.
Other Precautions:STORE IN TIGHTLY CLOSED CNTNRS (PREF UNDER NITROGEN
    ATM). OUTSIDE/DETACHED STOR PREF. INSIDE STOR SHOULD BE IN STD
    FLAMM LIQ STOR ROOM/CABINET. SEPARATE FROM OXIDIZING MATLS. CNTNRS
    SHOULD BE BONDED &	GROUNDED FOR TRANSFERS TO AVOID (ING 2)

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

Respiratory Protection:IF TLV EXCEEDED, NIOSH/MSHA APPRVD FULL
    FACEPIECE CHEM CARTRIDGE RESPIRATOR MAY BE WORN UP TO MAXIMUM USE
    CONC SPECIFIED BY RESP SUPPLIER. ALTERNATIVELY, NIOSH/MSHA APPRVD
    SUPPLIED AIR FULL FACEPIECE  RESPIRATOR/AIRLINED HOOD MAY BE WORN.
Ventilation:SYS OF LOCAL &/OR GEN EXHAUST RECOMM TO KEEP EXPOS BELOW
    AIRBORNE EXPOS LIM. LOCAL EXHAUST VENT GEN PREF BECAUSE (ING 6)
Protective Gloves:RUBBER OR NEOPRENE GLOVES.
Eye Protection:CHEM WORK GOG & FULL LENGTH FSHLD.
Other Protective Equipment:IMPERVIOUS BOOTS, APRON/COVERALLS AS NEEDED
    IN AREAS OF UNUSUAL EXPOS. EYE WASH FOUNTAIN & QUICK-DRENCH
    FACILITIES.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN WHEN WORKING
    W/MATERIAL.
Supplemental Safety and Health
EXPLO HAZ:DISTANT IGNIT SOURCE & FLASH BACK. FIRST AID PROC:EYE:WASH
    W/PLENTY OF WATER FOR AT LEAST 15 MIN, LIFTING LIDS OCCASNLY. GET
    MD IMMED. SPILL PROC:CHAMBER/ABSORB W/VERMICULITE, DRY SAND, EART
    H/SIMILAR MATL FOR DISP AS HAZ WASTE INRCRA APPRVD FACILITY. DO NOT
    FLUSH TO SEWER!

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

HCC:F2
Boiling Pt:B.P. Text:151F,66C
Melt/Freeze Pt:M.P/F.P Text:-163F,-108C
Vapor Pres:114 @ 59F
Vapor Density:2.5
Spec Gravity:0.88
Evaporation Rate & Reference:14.5 (BUTYL ACETATE = 1)
Solubility in Water:MISCIBLE WITH WATER
Appearance and Odor:COLORLESS, MOBILE LIQUID, ETHER-LIKE ODOR.

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

Stability Indicator/Materials to Avoid:YES
REACTS VIOLENTLY W/AIR ON STANDING. LIALH*2, STRONG OXIDIZERS, NAALH*2
    & POTASSIUM HYDROXIDE.
Stability Condition to Avoid:STABLE IN CLOSED CNTNRS W/O*2 & LIGHT
    EXCLUDED. DISTILLATION/EVAPORATION CAN CONCENTRATE PEROXIDES TO
    CREATE EXPLO HAZ.
Hazardous Decomposition Products:EMITS IRRITATING FUMES & TOXIC GASES &
    VAPORS (SUCH AS CO) WHEN HEATED TO DECOMPOSITION.

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

Waste Disposal Methods:ENSURE COMPLIANCE WITH LOCAL, STATE AND FEDERAL
    REGULATIONS.

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 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.