NATIONAL WELDERS SUPPLY CO INC -- NITROGEN, REFRIGERATED LIQUID -- 6830-00-265-4068 
=====================  Product Identification  =====================

Product ID:NITROGEN, REFRIGERATED LIQUID
MSDS Date:11/25/1985
FSC:6830
NIIN:00-265-4068
MSDS Number: BXBZK
=== Responsible Party ===
Company Name:NATIONAL WELDERS SUPPLY CO INC
Address:810 GESCO
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
Info Phone Num:704-333-5475(X308)/FAX 344-1711
Emergency Phone Num:800-866-4422/800-424-9300(CHEMTREC)
CAGE:18264
=== Contractor Identification ===
Company Name:NATIONAL WELDERS SUPPLY CO INC
Address:810 GESCO ST
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
Phone:704-333-5475
CAGE:18264

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

Ingred Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9394

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:NITROGEN DEFINED AS SIMPLE
    ASPHYXIANT.OXY LEVELS SHOLD BE MAINTAINED @>18 MOLAR% @NORMAL ATM
    PRESSURE WHICH IS EQUIVALENT TO PARTIAL PRESSURE OF 135MM
    HG.EFFECTS OF EXPO TO HI CONC SO AS TO DISPLACE O XY:LOSS OF
    BALANCE OR DIZZINESS;TIGTNESS IN FRONTAL AREA OF FOREHEAD;TINGLING
    OF TONGUE,FINGERTIPS,TOES;WEAKENED (SUPPL)
Effects of Overexposure:FROSTBITE EFFECTS ARE CHANGE IN COLOR OF SKIN
    TO GRAY OR WHITE POSSIBLY FOLLOWED BY BLISTERING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:PROMPT MED ATTN MANDATORY IN ALL CASES.RESCUE PERSONNEL
    SHOULD BE EQUIPPED W/SCBA.INHAL:REMOVE TO FRESH AIR.QUICK REMOVAL
    MOST IMPORTANT.UNCONSC GIVE MOUITH-TO-MOUTH
    RESUSCITATION/SUPPLEMENTAL OXY.FUR THER TREATMENT
    SYMPTOMATIC/SUPPORTIVE.SKIN:FLUSH W/LUKEWARM WATER.DO NOT USE HOT
    WATER.TAKE TO DR IF CRYOGENIC BUTN HAS RESULTED IN BLISTERING/DEEP
    TISSUE FREEZING.

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

Extinguishing Media:NON-FLAMMABLE, INERT. HOWEVER USE APPROPRIATE FIRE
    EXTINGUISHING MEDIA FOR SURROUNDING FIRES/MATERIALS.
Fire Fighting Procedures:NOT APPLICABLE. HOWEVER USE APPROPRIATE
    PPE/EQUIPMENT AS CONDITIONS WARRANT. NITROGEN IS DEFINED AS SIMPLE
    ASPHYXIANT.

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

Spill Release Procedures:DO NOT ATTEMPT TO REPAIR/ADJUST/IN ANY OTHER
    WAY MODIFY OPERATION OF LIQ NITROGEN VESSELS. CONTACT CLOSEST
    SUPPLIER LOCATION IMMED FOR ASSISTANCE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:MATL CAN'T BE HANDLED IN CARBON OR LOW
    ALLOY STEELS.18-8,18-10 STAINLESS STEELS ACCEPTABLE ALSO CU,CU
    ALLOYS,NI,NI ALLOYS,BRASS,BRONZE,(OTHER PRECAUT)
Other Precautions:CONTD HAND/STOR:SILICON
    ALLOYS,MONEL,INCONEL,BERYLLIUM.NON-TOXIC BUT CAN DISPLACE OXY IN
    AIR. ADDN HANDLING/STORAGE RECOMMENDATIONS:COMPRESSED GAS ASSOC
    PAMPHLETS P-9,P-12,P-14,SAFETY BULLETIN SB-2.RE FILLED BY QUAL MATL
    PRODUCERS-FED LAW.

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

Respiratory Protection:POSITIVE PRESSURE AIR LINE W/MASK OR
    SELF-CONTAINED BREATHING APPARATUS SHOULD BE AVAILABLE FOR
    EMERGENCY USE.
Ventilation:PREVENT ACCUMULATIN OF HIGH CONC SO AS TO REDUCE OXY LEVEL
    IN AIR TO <18MOLAR%.
Protective Gloves:LOSSE FITTING INSULATED GLOVES
Eye Protection:SAF GOGG OR GLASSES PLUS FACE SHIELD
Other Protective Equipment:SAFETY SHOES.
Work Hygienic Practices:USE ONLY IN WELL-VENTILATED AREAS IAW
    MFG/SUPPLIER INSTRUCTIONS.KEEP CYL UPRIGHT POSITION.USE SPECIALIZED
    HANDTRUCKS.
Supplemental Safety and Health
HEALTH HAZ:SPEECH LEADING TO INABILITY TO UTTER SOUNDS;RAPID REDUCTION
    IN ABILITY TO PERFORM MOVEMENTS;REDUCED CONSC OF SURROUNDING;LOSS
    OF TACTILE SENSATIONS;HEIGHTENED MENTAL ACITIVITY.POSSIBLE THAT 
    NONE ABOVE SYMPTOMS MAY OCCUR.CONTACT:TISSUE FREEZING/FROSTBITE ON
    DERMAL/EYES. PER TIR:NSN CANCELLED 63000,NO REPLACEM

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

HCC:G3
Boiling Pt:B.P. Text:-320F,-196C
Melt/Freeze Pt:M.P/F.P Text:-346F,-210C
Vapor Density:1.161KG/M3
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.
Hazardous Decomposition Products:NONE.

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

Waste Disposal Methods:NONE SPECIFIED BY MSDS.PER MSDS:LIQ NI DELIVERED
    IN STATIONARY VACCUM-JACKETED VESSELS OR IN PORTABLE
    VACUUM-JACKETED LIQ CYL.DO NOT ATTEMPT TO REPAIR/ADJUST/IN ANY
    OTHER WAY MODIFY OPERATION OF VESSE LS.CONTACT CLOSEST SUPPLIER
    LOCATION IMMED FOR HEL

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