Product:
Liquid
Nitrogen P-4630-H Date: October
2001
Praxair Material Safefv Data Sheet
[. Chemical Product and Company Identification
liquid (MSDS
Product Name: Nitrogen,refrigerated Name: Liquid Nitrogen
P-4630-H)
No.
(cryogenic
Nitrogen liquid)
ChemicalName: Nitrosen
Formula: N2 ical Family: Cryogaricliquid
pany Name: Praxair,Inc.
1-800-645-4633*
mergencies:
Telephone:
1-800-424-9300* 39 Old Ridgebury
Road
CHEMTREC:
Danbury, 06810-5113
CT
1-8OO-PRAXAIR
Routine:
* Call emergency numbers 24 hours a day only
fire, exposure, or accidents involving this
for spills, leal
product. For routine information, contactyour supplier, Praxair sales representative,or call
t -800-PRAXATR( I -800-7 72-92 47).
2. Composition/Information Ingredients
on
Seesection16 for important information about mixtures.
cAs CONCEN-
ACGIHTLV-TWA(2001)
PEL
INGREDIENTNUMBER ITRATION
established Simple
asphyxiant
None rrently
7727-37-9 cu
Nitrogen l>99%.
than";thesymbol<,"/essthan."
Thesymbol> means"greater
"
3. HazardsIdentification
EMERGENCY OVERVIEW
WARNING!Extremelycold liquid and gas under pressure.
Can cause rapid suffocation.
Can causeseverefrostbite.
May cause dizzinessand drowsiness.
breathingapparatusmay be requiredby rescueworkers.
Self-contained
Odor: None
(ACGIH, 2001).TLV-TWAs should
THRESHOLD LIMIT VALUE: TLV-TWA, simpleasphyxiant
be usedasa guide in the control ofhealth hazards not asfine lines betweensafeand dangerous
and
concentrations.
1997-1998, Inc.
Copyright 1979,
O 1983,
1985,
1992, 2001,
PraxairTechnology, Page1 ofB
reserved.
Allrights
Revised
Product:
Liquid
Nitrogen P-4630-H Date: October
2001
EFFECTS OF A STNGLE(ACUTE) OVEREXPOSURE:
INHALATION-Asphyxiant. Effectsare dueto lack of oxygen.Moderateconcentrations may cause
headache, drowsiness,dizziness, excitation,excesssalivation,vomiting, and unconsciousness. Lack
ofoxygencankill.
from vapor.Cold gasor liquid may causesevere
SKIN CONTACT-No harmexpected frostbite.
frostbiteof the lips andmouthmay
SWALLOWING-An unlikely routeof exposure, severe but
resultfrom contactwith the liquid.
from vapor.Cold gasor liquid may causesevere
EYE CONTACT- No harm expected frostbite.
EFFECTS OF REPEATED (CHRONIC) OVERDPOSURE: No harm expected.
OTHER EFFECTS OF OVEREXPOSURE: Asphyxiant.Lack of oxygencankill.
MEDICAL CONDITIONS AGGRAVATED BY OVEREXPOSTJRE: The toxicology andthe
physicaland chemicalpropertiesofnitrogen suggest overexposure unlikely to aggravate
existing
is
that
medicalconditions.
SIGNIFICANT LABORATORY DATA WITH POSSIBLE RELEVAIICE TO HUMAN HEALTH
HAZARD EVALUATION: None known.
Nitrogen is not listedby NTP, OSFIA,or IARC.
CARCINOGENICITY:
4. First Aid Measures
give artificial respiration. breathingis difficult,
If
INHALATION: Removeto freshair. If not breathing,
may give oxygen.Call a physician.
qualifiedpersonnel
SKIN CONTACT: For exposure liquid, immediatelywarm frostbiteareawith warm waternot to
to
removeclothing while showeringwith warm water.
exceed105'F (41'C). In caseof massiveexposure,
Call a physician.
This productis a gasat normaltemperature
and
SWALLOWING: An unlikely routeof exposure.
pressure.
EYE CONTACT: Immediatelyflush eyesthoroughlywithwarm waterfor at least 15 minutes.Hold the
that all surfaces flushedthoroughly.Seea
eyelidsopenand away from the eyeballs ensure
to are
physician,preferablyan ophthalmologist
immediately.
shouldbe directed
NOTES TO PHYSICIAN: Thereis no specificantidote.Treatment overexposure
of
at the control of symptoms the clinical conditionof thepatient.
and
5. Fire Fighting Measures
FLASH POINT(testmethod): Not applicable
Not applicable
AUTOIGNITION
TEMPERATURE:
R: Not applicable
FLAMMABLELIMITSlN AlR, % by volume: LOWER: Not applicable
EXTINGUISHING MEDIA: Nitrogen cannotcatchfire. Use mediaappropriate surrounding fire.
for
Page2 of 8
Product:
Liquid
Nitrogen P-4630-H Date: October
2001
SPECIAL FIRE FIGHTING PROCEDURES: WARNING! Extremely cold liquid and gasunder
pressure.Evacuate personnel from dangerarea.Immediatelyspraycontainers with waterfrom
all
maximumdistance until cool, taking carenot to direct sprayinto ventson top of containers. not
Do
spraysinto liquid nitrogen;it will freezewaterrapidly. Shut off flow if you can do so without
discharge
havecooled,movethem away from fire areaif without risk. Self-contained
risk. Whencontainers
may be requiredby rescue workers.(Seesection16.)On-sitefire brigades must
breathingapparatus
complywith OSHA 29 CFR 1910.156.
UNUSUAL FIRE AND EXPLOSION HAZARDS: Liquid andvapor cannotcatchfire. Heat of fire
canbuild pressure cylinder andcauseit to rupture.No part of cylinder shouldbe subjected a
to
in
with pressure
higherthan 125'F (52"C). Liquid nitrogencontainers equipped relief
temperature are
frostbite,a bumlike injury. (See
Venting vaporsmay obscurevisibility. Liquid causessevere
devices.
section
3.)
HAZARDOUS COMBUSTION PRODUCTS: None known.
6. AccidentalRelease
Measures
STEPS TO BE TAKEN IF MATERIAL IS RELEASED OR SPILLED: WARNING! ExITCMCIY
cold liquid and gasunder pressure.Asphyxiant.Lack of oxygencan kill. Evacuate personnel from
all
frostbite,a burn-
severe
whereneeded. Liquid causes
breathingapparatus
dangerarea.Use self-contained
like injury. (Seesection3.) Shutoff flow if you cando so without risk, Avoid contactwith spilledliquid
Ventilateareaof leak or movecontainer a well-ventilatedarea.Testfor
to
and allow it to evaporate.
beforeallowing reentry.
sufficientoxygen,especiallyin confinedspaces,
WASTE DISPOSAL METHOD: Preventwastefrom contaminating sunoundingenvironment.
the
container, liner in an environmentally
product,residue, or
Keep personnel away.Discardany disposable
local regulations. necessary, your
If call
with federal,state,and
manner,in full compliance
acceptable
local supplierfor assistance.
7. Handling and Storage
ventilation.Do not
PRECAUTIONS TO BE TAKEN IN STORAGE: Storeandusewith adequate
relief deviceand a pressure
with a pressure
Cryogeniccontainers equipped
are
storein a confinedspace.
will periodicallyvent product.Use adequate
controllingvalve.Under normal conditions,thesecontainers
liquid can generate
reliefdevicesin systems piping to preventpressure buildup; entrapped
pressure and
extremelyhigh pressures when vaporizedby warming.
part of your body to
PRECAUTIONS TO BE TAKEN IN HA|IDLING: Never allow any unprotected
fluids. Fleshwill stick to the extremelycold
pipesor vesselscontainingcryogenic
touchuninsulated
metaland will tearwhen you try to pull free.Use a suitablehandtruck to move containers. Cryogenic
must be handledand storedin an upright position.Do not drop or tip containers, roll them
or
containers
on their sides.Ifvalve is hardto open,discontinue and contactyour supplier.For otherprecautions in
use
usingnitrogen, section16.
see
Page3 of 8
Product:
Liquid
Nitrogen P-4630-H Date: October
2001
Protection
8. ExposureControlslPersonal
VENTILATION/ENGINEERING CONTROLS :
system, necessary, preventoxygendeficiency.
LOCAL EXHAUST-Use a local exhaust if to
MECHANICAL (general)-Ceneralexhaust
ventilationmay be acceptable it canmaintainan
if
adequatesupplyof air.
SPECIAL-None
OTHER-None
wherelocal or generalexhaust
RESPIRATORY PROTECTION: Use air-supplied respirators
mustbe usedin confinedspaces in an oxygen-
or
Air-suppliedrespirators
ventilationis inadequate.
protectionmustconformto OSHA rules as specifiedin 29 CFR
Respiratory
deficientatmosphere.
1910.134.
SKIN PROTECTION: Wear loose-fitting,cryogenicgloves.
Selectin accordancewith
EYE PROTECTION: Safetyglasses a full faceshieldarerecommended.
and
osHA 29 CFR 1910.133.
are
handling;high-topshoes
shoes container
OTHER PROTECTM EQUIPMENT: Metatarsal for
Selectin
be wom outsidethe shoes.
prefened.Protectiveclothing whereneeded.Cufflesstrousersshould
Regardless protectiveequipment,nevertouch
of
and 1910.133.
with OSFIA29 CFR 1910.132
accordance
live electricalparts.
9. Physicaland ChemicalProperties
28.01
MOLECULARWEIGHT:
pointto gas at 70'F (21.1"C)= 1 to 696.5
RATIOfor liquidat boiling
EXPANSION
point (808.5kg/m3)
DENSITY boiling
at and1 atm:
LIQUID 50.7 tb/ft3
GRAVITY = 1) at 70"F(21.1'C) 1 atm:
(air 0.967
and
SPECIFIC
at32'F(0'C): 0.023
SOLUBILITY WATER, vol/vol
lN
100
VOLATILES VOLUME:
BY
PERCENT
-320.44"F
(-195.80'C)
BOILINGPOINTat 1 atm:
-345.8"F
(-209.9'C)
MELTINGPOINTat 1 atm:
liquid.
ANDSTATE:Colorless,
odorless
cryogenic
APPEARANCE,
ODOR,
10. Stability and Reactivity
Stable
Unstable
INCOMPATIBILITY (materials to avoid): None known.
HAZARDOUS DECOMPOSITION PRODUCTS: None known.
nitrogencanreactviolently with lithium,
COIIDITIONS TO AVOID: Under certainconditions,
titanium, and magnesium form nitrides.At hightemperature can also combinewith
it
neodymium, to
oxygenand hydrogen.
Page4 of 8
Date: October
2001
Product:
Liquid
Nitrogen P-4630-H
11. Toxicological Information
Nitrogen is a simpleasphyxiant.
12. Ecological
Information
Nitrogendoesnot containany ClassI or ClassII ozone-depleting
No adverse ecologicaleffectsexpected.
Nitrogen is not listed asa marinepollutantby DOT.
chemicals.
13. DisposalConsiderations
WASTE DISPOSAL METHOD: Do not attemptto dispose residualor unusedquantities. Return
of
cylinder in a well-ventilatedareaor outdoors,
and
cylinderto supplier.For emergency secure
disposal,
gas
then slowly discharge to the atmosphere.
14. Transport Information
liquid
Nitrogen,refrigerated
DOT/IMO SHIPPING NAME:
PRODUCT
IDENTIFICATION
HAZARI)
UN 1977
2.2 NUMBER:
CLASS:
NONFLAMMABLE GAS
SHIPPING LABEL(S):
NONFLAMMABLE GAS
PLACARD (when required):
position,in a
SPECIAL SHIPPING INFORMATION: Cylindersshouldbe transported a secure in
compartment a vehiclecan
of
nonventilated
transported an enclosed,
in
well-ventilatedvehicle.Cylinders
present hazards.
serioussafety
Shipmentof compressed cylindersthat havebeenfilled without the owner'sconsentis a violation of
gas
federal [49 CFR 173.301(b)].
law
15. RegulatoryInformation
are
may apply to this product.Not all suchrequirements
The following selected regulatoryrequirements
federal,state,
with all applicable
identified.Usersof this productaresolely responsible compliance
for
and local regulations.
U.S.FEDERAL REGULATIONS:
EpA (E|WTRONMENTAL PROTECTION AGENCY)
COMPENSATION,AND
ENVIRONMENTAL RESPONSE,
CERCLA: COMPREFIENSIVE
(40 CFR Partsll7 and302):
LI.ABILITY ACT OF 1980
Reportable Quantity (RQ): None
SARA: SUPERFLINDAMENDMENT AND REAUTHORIZATION ACT:
planningbased ThresholdPlanningQuantity
on
Requireemergency
SECTIONS 30213042
(RQ) of ExtremelyHazardous
(TPQ) and release
reportingbased Reportable
on Quantities
(EHS)(40 CFR Part355):
Substances
ThresholdPlanning Quantity (TPQ): None
EHS RQ (40 CFR355): None
Page5 of 8
Date: October
2001
LiquidNitrogen P-4630-H
Product:
SECTIONS 3lll3l2: Requiresubmission MSDSs andreportingof chemicalinventories
of
with identificationof EPA hazardcategories. hazardcategories this productareas
for
The
follows:
IMMEDIATE: Yes PRESSURE: YCS
DELAYED: No REACTWITY: No
FIRE: No
submission annualreportsof release toxic chemicals
that
of
of
SECTION 313: Requires
appear 40 CFR Pafi372.
in
Nitrogen doesnot requirereportingunderSection3 I 3.
40 CFR 68: RISK MANAGEMENT PROGRAM FOR CHEMICAL ACCIDENTAL
development implementation risk management
of
and
RELEASE PREVENTION: Requires
substances
in
handleregulated
progralnsat facilitiesthat manufacture, store,or otherwise
use,
quantitiesthat exceed specifiedthresholds.
substance.
Nitrogen is not listed asa regulated
TSCA: TOXIC SUBSTANCESCONTROL ACT: Nitrogen is listed on the TSCA inventory.
OSHA: OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION:
SAFETY MANAGEMENT OF HIGHLY FI,A.ZARDOUS
29 CFR 1910.119:PROCESS
programbasedon
safetymanagement
facilitiesto developa process
CFIEMICALS: Requires
ThresholdQuantities(TQ) of highly hazardous chemicals.
chemical.
in AppendixA asa highly hazardous
Nitrogen is not listed
STATE REGULATIONS:
CALIFORNIA: Nitrogen is not listedby Califomia underthe SAFE DRINKING WATERAND
TOXIC ENFORCEMENTACT OF 1986(Proposition 65).
PENNSYLVANIA: Nitrogen is subjectto the PENNSYLVANIA WORKER AND COMMUNITY
RIGHT-TO-KNOW ACT (35 P.S.Sections 7301-7320).
16. Other Information
suppliedwith all containers this product.
of
Be sureto readandunderstand labelsand instructions
all
COId
OTIIER HAZARDOUS CONDITIONS OF HANDLING, STORAGE, AND USE: ErtTCMCIY
designed withstandpressures to
to
liquid and gasunderpressure.Use piping andequipment adequately
with cryogenicuse;somemetalssuchascarbonsteelmay
Avoid materialsincompatible
be encountered.
fractureeasilyat low temperature. only transferlines designed cryogenicliquids. Preventreverse
for
Use
rupture.Use a checkvalve or otherprotectivedevicein any
flow into container rnaycause
Reverse
flow.
line or piping from the container.Prevent liquid or cold gasfrom being trapped in piping between
Nitrogen gas can causerapid suffocution due to
vulves.Equip the piping with pressure relief devices.
valve after eachuse;keep
ventilation.Closecontainer
Storeand usewith adequate
oxygencteficiency.
closedevenwhen empty.Never work on u pressurizedsystenl If thereis a lealg closethe cylindervalve.
with all federal,state,
soundmannerin compliance
Blow the systemdown in a safeand environmentally
part of
and local laws; then repair the leakN everplace a compressed cylinder where it may become
gas
un electrical circuit.
you can createadditional,
MIXTURES: Whenyou mix two or more gases liquefiedgases,
or
beforeyou produce
Obtainand evaluate safetyinformationfor eachcomponent
the
unexpected hazards.
the mixture.Consultan industrialhygienistor othertrainedpersonwhen you evaluate endproduct.
the
that cancauseseriousinjury or death.
and liquids haveproperties
gases
Remember,
Page6 of 8
Product:
Liquid
Nitrogen P-4630-H Date: October
2001
HAZARD RATING SYSTEMS:
NF.PARATINGS: HMIS RATINGS:
_3 _3
HEALTH HEALTH
*O -O
FLAMMABILITY FLAMMABILITY
_O -O
REACTIVITY REACTIVITY
: SA (CGA recommends to designate
this SimpleAsphyxiant.)
SpECIAL
STAI{DARD VALVE CONNECTIONS FOR U.S. AND CA]\ADA:
CGA-295
THREADED:
PIN-INDEXED YOKE: Not applicable
ULTRA-HIGH-INTEGRITY CONNECTION: Not applicable
Usethe properCGA connections. NOT USE ADAPTERS. Additional limited-standard
D0
may apply. SeeCGA pamphlet
connections V-l listedbelow.
Ask your supplieraboutfree Praxairsafefyliteratureasrefenedto in this MSDS and on the label for this
product.Furtherinformationaboutthis productcanbe found in the following pamphlets publishedby the
Inc. (CGA), 4221WalneyRoad,5th Floor, Chantilly, VA 20151-2923,
Compressed Association,
Gas
(7
Telephone 03) 788-21 00.
SafeHandling and Storageof Compressed Gases
AV-l
Nitrogen and Neon
AV-5 SafeHandling of Liquefied
SafeHandling of Compressed Gasesin Containers
P-1
-
P-9 Inert Gases Argon, Nitrogen,and Helium
SafeHandling of CryogenicLiquids
P-12
AccidentPreventioninOxygen-Rich,Oxygen-DeficientAtmospheres
P-14
Oxygen-DeficientAtmospheres
SB-2
Gas Cylinder ValveInlet and Outlet Connections
V-1 Compressed
Handbook of Compressed Gases,Third Edition
Page7 of 8
2001
Date: October
Product:LiquidNitrogen P-4630-H
Praxairasksusersof this productto studythis MSDS andbecomeawareof producthazards and safety
information.To promotesafeuseof this product,a usershould(l) notiff employees, and
agents,
contractors the informationin this MSDS andof any otherknown producthazards and safety
of
information,(2) fumish this informationto eachpurchaser the product,and (3) ask eachpurchaserto
of
notify its employees customers the producthazards safetyinformation.
and
and of
hereinare thoseof qualifiedexpertswithinPraxair,Inc.We
expressed
The opinions
herein current of the dateof this Material
is as
thatthe information
believe contained
Sincethe useof this information the conditions use of the
and of
SafetyDataSheet.
to
productare not within the controlof Praxair,Inc., it is the user's obligation
determine conditions safeuseof the product.
of
the
distributors suppliers
and
MSDSs furnished saleor delivery Praxair the independent
by or
Praxair on
are
your
MSDSs theseproducts,
who package sellour products. obtain for contact
Praxair
To current
and
salesrepresentative localdistributor supplier. you havequestions Praxair
regarding
lf
or
Praxair or
MSDS, wouldlikethe namesof the Praxair
wouldliketheformnumber dateof the latest or
MSDSs, and
suppliers yourarea,phoneor writethe Praxair Center (Phone: 1-800-PRAXAIR;Address:
Call
in
51-0044).
Praxair,
Inc.,PO Box 44,Tonawanda, 141
NY
Praxair
CallCenter,
Prca.airandthe Flowing Airstream designaretrademarks registered trademarksof
or
Inc. in the United Statesand othercountries.
Pra"rair
Technology,
Praxair,Inc.
::::ffiPnffiAtt. Road
39 Old Ridgebury
Danbury, 06810-5113
CT
Page8 of 8
Printed USA
in
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