PRAXAIR INC -- NITROGEN -- 6830-01-431-0639 
=====================  Product Identification  =====================

Product ID:NITROGEN
MSDS Date:12/01/1992
FSC:6830
NIIN:01-431-0639
=== Responsible Party ===
Company Name:PRAXAIR INC
Address:39 OLD RIDGEBURY RD
City:DANBURY
State:CT
ZIP:06817-0001
Country:US
Info Phone Num:203-794-5782
Emergency Phone Num:203-794-5782/800-424-9300(CHEMTREC)
CAGE:0LV01
=== Contractor Identification ===
Company Name:PRAXAIR, INC.
Address:39 OLD RIDGEBURY RD
Box:City:DANBURY
State:CT
ZIP:06810-5113
Country:US
Phone:800-772-9247; 800-PRAXAIR
CAGE:0LV01

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

Ingred Name:NITROGEN
CAS:7727-37-9
RTECS #:QW9700000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9596

=====================  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:INGEST:GAS @NORMAL TEMP/PRESURE.SKIN
    ABSORPT:NO EVIDENCE OF ADVERSE EFFECTS FROM AVAI
    INFO.INHAL:ASPHYXIANT.MODERATE CONC MAY CAUSE
    HEAD,DROWS,DIZZ,EXCITATION,EXCESS SALIVATION,VOMIT,UNCONSC.LACK OF
    O XY CAN CAUSE DEATH.SKIN/EYE:NO HARMFUL EFFECT EXPECTED FROM
    VAP.LIQ MAY CAUSE SKIN FROSTBITE.
Effects of Overexposure:NO EVIDENCE OF ADVERSE EFFECTS FROM AVAIL
    INFO.CONTACT W/LIQUID MAY CAUSE FROSTIBE.
Medical Cond Aggravated by Exposure:THE TOXICOLOGY & PHYSICAL & CHEM
    PROPERTIES OF MATL DO NOT SUGGEST THAT OVEREXPO IS LIKELY TO
    AGGRAVATE EXISTING MEDICAL CONDITIONS.

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

First Aid:INGEST:GAS @NORM TEMP/PRESSURE.SKIN:FOR LIQ EXPO IMMED WARM
    FROSTBITE AREA W/WARM H2O(NOT TO EXCEED 105F).MASSIVE EXPO REMOVE
    CLOTH WHILE SHOWERING W/WARM H2O.CALL DR.INHAL:REMOVE TO FRESH
    AIR.GIVE AR T RESP IF NOT BREATH.GIVE OXY IF BREATHDIFFI.CALL
    DR.EYE:SPLASH CONTAM IMMED FLUSH THOROUGHLY W/H2O FOR @LEAST
    15MINS.SEE DR PREFERABLY OPHTHALMOLOGIST IMMED.DR:NO SPECIFIC
    ANTIDOTE.TREAT SHOULD(SUP)

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

Autoignition Temp:Autoignition Temp Text:NONE
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:NITROGEN CANNOT CATCH FIRE.USE MEDIA APPROPRIATE
    FOR SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FRM DANGER AREA.IMMED
    DELUGE CNTNRS W/WATER SPRAY FRM MAXIMUM DISTANCE UNTIL COOL THEN
    MOVE CNTNRS AWAY FROM FIRE AREA W/O RISK.
Unusual Fire/Explosion Hazard:GAS CANT CATCH FIRE.CNTNR MAY RUPTURE DUE
    TO HEAT OF FIRE.NO PART OF CNTNR SHOULD BE SUBJ TO TEMP
    >52C(125F).MOST CNTNR ARE DESIGNED TO VENT CONTENTS WHEN (SUP)

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

Spill Release Procedures:EVACUATE ALL PERSONNEL FRM DANGER AREA.USE
    SCBA WHERE NEEDED.SHUT OFF LEAK W/O RISK.VENTI AREA/MOVE LEAK CNTNR
    TO WELL VENTI AREA.TEST AREA ESPECIALLY CONF AREA FOR SUFF OXY
    CONTENT PRIOR TO PERMITTIN G REENTRY OF PERSONNEL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:HI PRESSURE GAS.USE PIPE/EQPMT ADEQUAT
    DESIGNED FOR W/STAND PRESSURES TO BE ENCOUNTERED.CAN CAUSE RAPID
    SUFFOCATION DUE TO OXY DEFF.
Other Precautions:STORE/USE W/ADEQU VENTI.CLS VALVE WHEN NOT IN
    USE/EMPTY.WHEN 2/MORE GAS/LIQ GAS MIX HAZ PROPERTIES MAY COMBINE TO
    CREATE ADDN UNEXPECT HAZ.OBTAIN/EVALUATE SAF INFO FOR EA COMPO BEF
    PRODUCE MIXTURE.CON SULT INDUST HYG/TRAIN PERSON WHEN(SUPPL)

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

Respiratory Protection:NONE REQUIRED UNDER NORMAL USE.HOWEVER AIR
    SUPPLIED RESPIRATORS ARE REQUIRED WHILE WORKING IN CONF SPACES
    W/PRODUCT.RESPIRATORY PROTECTION USE MUST CONFORM TO OSHA RULES
    SPECIFIED IN 29CFR1910.134.
Ventilation:LOC EXHAU-USE IF NECESSARY TO PREVENT BUILD UP O OXY DEFIC
    ATM.MECHANICAL(GENERAL):ACCEPTABLE.
Protective Gloves:PREFERRED FOR CYL HNDLG
Eye Protection:SELECT IAW OSHA 29CFR1910.133
Other Protective Equipment:METATARSAL SHOES FOR CYL HNDLG.SELECT IAW
    OSHA 29CFR1910.132/1910.133.
Work Hygienic Practices:BE SURE TO READ/UNDERSTAND ALL LABELS/OTHER
    INSTRUCTIONS SUPPLIED W/ALL CNTNR OF PRODUCT.NEVER WORK ON
    PRESSURIZED SYST.
Supplemental Safety and Health
1STAID:BE DIRECTED @CONTROL OF SYMP/CLINICAL CONDITION. FIRE/EXPLO
    HAZ:THEYRE EXPO TO ELEVATED TEMPS. OTHER PRECAUT:MAKE SAF
    EVALUATION OF END PRODUCT.REMEMBER GAS/LIQ HAVE PROPERTIES WHICH
    CAN CAUSE  SER INJURY/DEATH.RECOMMEND PAMPHLET P-1BRM COMPRESS GAS
    ASSOC INC,1725 JEFF DAVIS HWY,SUITE 1004,ARLINGTON,VA22202.

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

HCC:G3
Boiling Pt:B.P. Text:-320F,-196C
Melt/Freeze Pt:M.P/F.P Text:-346F,-210C
Decomp Temp:Decomp Text:NP
Vapor Pres:GAS
Vapor Density:0.967
Spec Gravity:GAS
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NA
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE &
    PRESSURE
Percent Volatiles by Volume:100
Corrosion Rate:NP

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

Stability Indicator/Materials to Avoid:YES
UNDER CERTAIN CONDITIONS NITROGEN CAN REACT VIOLENTYLY
    W/LITHIUM,NEODYMIUM,TITANIU,OZONE.
Stability Condition to Avoid:NEVER WORK ON PRESSUREIZED SYS.IF LEAK
    CLOSE CYL VALVE BLOW DOWN SYS BY VENTING TO SAF PLACE,THEN REPAIR
    LEAK.
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE.DISCARD ANY
    PRODUCT,RESIDUE,DISPO CNTNR OR LINER IN ENVIRON ACCEPTABLE MANNER
    IN FULL COMPLIANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.

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