AIRGAS -- NITROGEN REFRIGERATED LIQUID  -- 6830-01-106-0895
<pre>=====================  Product Identification  =====================

Product ID:NITROGEN REFRIGERATED LIQUID
MSDS Date:05/01/1990
FSC:6830
NIIN:01-106-0895
=== Responsible Party ===
Company Name:AIRGAS
Address:FIVE RADNOR CORP CTR 100 MATSONFORD RD
City:RADNOR
State:PA
ZIP:19087
Country:US
Info Phone Num:215-687-5253
Emergency Phone Num:215-687-5253
CAGE:AIRGA
=== Contractor Identification ===
Company Name:AIRGAS
Address:100 MATSONFORD ROAD, 5 RADNOR CORP CNTR
City:RADNOR
State:PA
ZIP:19087
Country:US
Phone:215-687-5253
CAGE:AIRGA
Company Name:AIRGAS INC
Address:100 MATSONFORD RD SUITE 550
Box:City:WAYNE
State:PA
ZIP:19087
Country:US
Phone:215-687-5253
CAGE:0MN39

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

Ingred Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
OSHA PEL:N/K 
ACGIH TLV:ASPHYXIANT; 9495

Ingred Name:SUPDAT:FOLLOWED BY BLISTERING. PERSONS IN ILL HLTH WHERE
    SUCH ILLNESS WOULD BE AGGRAVATED BY EXPOS TO NITROGEN (ING 3)
RTECS #:9999999ZZ

Ingred Name:ING 2:SHOULD NOT BE ALLOWED TO WORK WITH OR HANDLE THIS
    PRODUCT.
RTECS #:9999999ZZ

Ingred Name:FIRST AID PROC:SUPPORTIVE. SKIN:FLUSH AFFECTED AREAS
    W/LUKEWARM WATER. DO NOT USE HOT WATER. PHYSICIAN SHOULD SEE(ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4:PATIENT PROMPTLY IF CRYOGENIC "BURN" HAS RSLTD IN
    BLISTERING OF DERMAL SURF/DEEP TISS FREEZING. PROMPT MED (ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5:ATTN IS MANDATORY IN ALL CASES OF OVEREXPOS TO
    NITROGEN. RESCUE PERS SHOULD BE EQUIPPED WITH SCBA.
RTECS #:9999999ZZ

Ingred Name:OTHER PREC:OPERATIONAL PROBLEM W/VESSEL, CONT CLOSEST
    SUPPLIER LOCATION IMMED. LIQ NITROGEN CYLS SHOULD BE USED (ING 8)
RTECS #:9999999ZZ

Ingred Name:ING 7:ONLY IN WELL-VENT AREAS & IN ACCORD W/MFR'S & YOUR
    SUPPLIER'S INSTRUCTIONS. THESE CYLS MUST ALWAYS BE KEPT (ING 9)
RTECS #:9999999ZZ

Ingred Name:ING 8:IN AN UPRIGHT POSITION. SPECIALIZED HAND TRUCKS ARE
    NEEDED FOR THEIR MOVEMENT. "FIRST IN-FIRST OUT" (ING 10)
RTECS #:9999999ZZ

Ingred Name:ING 9:INVENTORY SYS SHOULD BE USED W/THESE CYLS. LIQ
    NITROGEN CANNOT BE HNDLD IN CARBON/LOW ALLOY STEELS. (ING 11)
RTECS #:9999999ZZ

Ingred Name:ING 10:EIGHTEEN-EIGHT & 18-10 STAINLESS STEELS ARE
    ACCEPTABLE AS ARE COPPER & ITS ALLOYS, NICKEL & ITS ALLOYS, (ING
    12)
RTECS #:9999999ZZ

Ingred Name:ING 11:BRASS, BRONZE, SILICON ALLOYS, MONEL, INCONEL, &
    BERYLLIUM. ALSO SEE COMPRESSD GAS ASSOC PAMPHLETS P-9, (ING 13)
RTECS #:9999999ZZ

Ingred Name:ING 12:P-12, P-14, & SFTY BULLETIN SB-2. LIQUIFIED GAS CYLS
    SHOULD NOT BE REFILLED EXCEPT BY QUALIFIED PRODUCERS(ING 14)
RTECS #:9999999ZZ

Ingred Name:ING 15:OF THESE PRODS. SHIPMENT OF A COMPRESSED GAS CNTNR
    WHICH HAS NOT BEEN FILLED BY OWNER/W/HIS (WRITTEN) (ING 15)
RTECS #:9999999ZZ

Ingred Name:ING 14:CONSENT IS IN VIOLATION OF FEDERAL LAW (49CFR).
    ALWAYS SECURE CYLS IN AN UPRIGHT POSITION BEFORE (ING 16)
RTECS #:9999999ZZ

Ingred Name:ING 15:TRANSPORTING THEM. NEVER TRANSPORT CYLS IN TRUNKS OF
    VEHICLES, ENCLOSED VANS, TRUCK CABS/IN PASSENGER (ING 17)
RTECS #:9999999ZZ

Ingred Name:ING 16:COMPARTMENTS. TRANSPORT CYLS SECURED IN OPEN
    FLATBED/IN OPEN PICK-UP TYPE VEHICLES. NOTE:EXCEPT WHERE (ING 18)
RTECS #:9999999ZZ

Ingred Name:ING 17:SPECIFIED, HLTH HAZ DATA & MOST OF OTHER DATA IN
    THIS MSDS ARE FOR GASEOUS NITROGEN. ONE VOL OF LIQ (ING 19)
RTECS #:9999999ZZ

Ingred Name:ING 18:NITROGEN AT ITS BOILING PT & ATM PRESS WILL VAPORIZE
    INTO APPROX 695 VOLS OF GASEOUS NITROGEN @ 70F(21C) & 1 ATM.
RTECS #:9999999ZZ

Ingred Name:EYE PROT:AND FULL LENGTH FACE SHIELD .
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:EFTS OF EXPOS TO HIGH CONCS SO AS TO
    DISPLACE OXYG IN AIR NEC FOR LIFE INCLUDE ANY, ALL OR NONE OF THE
    FOLLOWING:LOSS OF BALANCE/DIZZINESS, TIGHTNESS IN FRONTAL AREA OF
    FOREHEAD, TINGLING OF TONGUE, F INGERTIPS/TOES, WEAKENED SPEECH
    LEADINGTO INABILITY TO UTTER SOUNDS, RAPID REDUCTION IN ABILITY TO 
    (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZS:PERFORM MOVEMENTS, REDUCED CON OF
    SURROUNDINGS, LOSS OF TACTILE SENSATIONS, HEIGHTENED MENTAL
    ACTIVITY. IT SHOULD BE RECOGNIZED THAT IT IS POSS THAT NONE OF
    ABOVE SYMPS MAY OCCUR IN NITROGEN  ASPHYXIA SO THAT THERE ARE NO
    DEFINITEWARNING SYMPS. CONT W/CRYOGENIC LIQ/COLD PIPING CNTNG LIQ
    CAN CAUSE TISS(SUPDAT)
Medical Cond Aggravated by Exposure:FROSTBITE.

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

First Aid:INGEST:CALL MD IMMED . EYES:IMMED FLUSH W/POTABLE WATER FOR
    MIN OF 15 MINUTES, SEEK ASSISTANCE FROM MD . INHAL:CON PERSON
    SHOULD BE ASSISTED TO AN UNCONTAM AREA & INHAL FRESH AIR. QUICK RE
    MOVAL FROM CONTAM AREA IS MOST IMPORTANT. UNCON PERSONS SHOULD BE
    MOVED TO AN UNCONTAM AREA, GIVEN MOUTH-TO-MOUTH RESUSCITATION &
    SUPP OXYG. FURTHER TREATMENT SHOULD BE SYMPTOMATIC & (ING 4)

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

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE . NONFLAMMABLE,
    INERT.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NOT APPLICABLE.

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

Spill Release Procedures:NONE SPECIFIED BY MANUFACTURER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:LIQ NITROGEN IS DELIVERED TO CUSTOMER
    INTO STATIONARY VACUUM-JACKETED VESSELS AT CUSTOMER'S LOC/IN
    PORTABLE VACUUM-JACKETED "LIQUID CYLINDERS.
Other Precautions:STATIONARY CUSTOMER-SITE VESSELS SHOULD BE OPERATED
    IN ACCORD W/MFR'S & YOUR SUPPLIER'S INSTRUCTIONS. DO NOT ATTEMPT TO
    REPAIR, ADJUST/IN ANY OTHER WAY MODIFY OPERATION OF THESE VESSELS.
    IF THERE IS A  MALFUNCTION/OTHER TYPE OF (ING 7)

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

Respiratory Protection:NIOSH/MSHA APPROVED POSITIVE PRESSURE AIR LINE
    WITH MASK OR SELF-CONTAINED BREATHING APPARATUS SHOULD BE AVAILABLE
    FOR EMERGENCY USE.
Ventilation:LOCAL EXHAUST:TO PREVENT ACCUM OF HIGH CONC SO AS TO REDUCE
    OXYG LEVEL IN AIR TO LESS THAN 18 MOLAR PERCENT.
Protective Gloves:LOOSE FITTING, INSULATED GLOVES.
Eye Protection:ANSI APPRVD CHEM WORK GOGGS (ING 20)
Other Protective Equipment:EMERGENCY EYE WASH & DELUGE SHOWER WHICH
    MEET ANSI DESIGN CRITERIA . SAFETY SHOES.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VP:ABOVE CRITICAL TEMP OF -232.6F, -147C @ 70F,21.1C. EFTS OF
    OVEREXP:FREEZING/FROSTBITE ON SKIN CONT/IF SPLASHED INTO EYES.
    NITROGEN IS NON TOX BUT LIBERATION OF LG AMT IN CONFINED AREA COULD
    DISPLAC E AMT OF OXYG IN AIR NEC TO SUPPORT LIFE. FROSTBITE EFTS
    ARE CHANGE IN COLOR OF SKIN TO GRAY/WHITE POSSIBLY (ING 2)

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

Boiling Pt:B.P. Text:-321F,-196C
Melt/Freeze Pt:M.P/F.P Text:-346F,-210C
Vapor Pres:SUPP DATA
Spec Gravity:0.97 @ 70F
Solubility in Water:VERY SLIGHTLY
Appearance and Odor:COLORLESS, ODORLESS, GAS OR LIQUID. LIQUID IS
    CLEAR.

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

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NOT APPLICABLE.
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
    REGULATIONS .

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 disclaims all liability for its use.  Any person utilizing this
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