Product ID:NITRIC OXIDE
MSDS Date:01/01/1991
FSC:6810
NIIN:00N033708
MSDS Number: BPVWV

NATIONAL WELDERS

CHARLOTTE, NC 28231
US

Emergency Phone: 800-866-4422;800-424-9300(CHEMTREC)

Info Phone: 704-333-5475

Cage: 18264

NATIONAL WELDERS SUPPLY CO INC

31007 CHARLOTTE, NC 28231 US

Telephone: 704-333-5475

Cage: 18264

STRUCTURAL MATLS MAY BE USED. HOWEVER, IN PRESENCE OF

RTECS: 9999999ZZ

OF FORMATION OF NITRIC & NITROUS ACIDS. PRIOR TO USE,

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IN INERT GAS. WHERE AIR CONTAM CANNOT BE ELIMINATED,

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REACTS W/AIR TO FORM NITROGEN DIOXIDE WHICH CAN

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NOT BE REFILLED EXCEPT BY QUALIFIED PRDCERS OF

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HAS NOT BEEN FILLED BY OWNER OR W/HIS (WRITTEN)

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NITROGEN MONOXIDE; (NITRIC OXIDE) (SARA III)

CAS: 10102-43-9

RTECS: QX0525000

OSHA PEL 25 PPM

ACGIH TLV: 25 PPM

EPA Report Quantity: 10 LBS

DOT Report Quantity: 10 LBS

IMMED FLUSH W/POTABLE WATER

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DISPOSAL MUST BE IN ACCORDANCE W/FEDERAL,

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PERIODS OF TIME. USE ONLY IN WELL-VENTD AREAS.

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REMAIN IN PLACE UNLESS CONTR IS SECURED W/VALVE

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USE SUITABLE HAND TRUCK FOR CYL MOVEMENT. USE PRESS

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(<1000 PSIG) PIPING OR SYSTEMS. DO NOT HEAT CYL BY

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CHECK VALVE OR TRAP IN DISCHARGE LINE TO PVNT HAZ

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LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:VAPS ARE A STRONG IRRITANT TO PULM
TRACT. INITIAL SYMPS OF INHAL MAY BE MOD & INCL IRRIT OF EYES &
THROAT, TIGHTNESS OF CHEST, HDCH, NAUS & GRADUAL LOSS OF STRENGTH.
SEV SYMPS MAY BE DELAYED (POSS FOR SEVERAL HRS) & INCL CYANOSIS,
INCRD DFCLTY IN BRTHG, IRREG RESP, LASSITUDE & POSS EVENTUAL DEATH
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:DUE TO PULM EDEMA IN UNTREATED CASES.
THE VAPOR IS HIGHLY TOXIC & HAZ BECAUSE OF ITS ABILITY TO CAUSE
DELAYED CHEM PNEUMONITIS & PULM EDEMA. CHRONIC/RPTD EXPOS MAY CAUSE
PERM DECREMENTS IN PU LM FUNCTION (SILO FILLER'S DISEASE). THE
ABSENCE OF MARKED ACUTE IRRIT OF NITRIC OXIDE LIMITS IT WARNING
PROPERTIES.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL:CONSCIOUS PERS SHOULD BE CARRIED (NOT ASSISTED) TO AN
UNCONTAMD AREA & BREATHE FRESH AIR SUPPLEMENTED W/O*2. KEEP PATIENT
WARM, QUIET & UNDER COMPETENT MED OBSERVATION UNTIL DANGER OF
DELAYED PU LM EDEMA HAS PASSED (AT LEAST 72 HRS). ANY PHYSICAL
EXERTION DURING THIS PERIOD SHOULD BE DISCOURAGED AS IT MAY INCR
SEVERITY OF PULM EDEMA OR CHEM PNEUM. BED REST IS INDICATED. UNCON
PERS (SUPP DATA)

Flash Point:NON-FLAMMABLE
Extinguishing Media:USE MEDIA SUITABLE FOR SURROUNDING FIRE CONDITIONS
.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NITRIC OXIDE IS NON-FLAMM BUT IT WILL
SUPPORT COMBUST. REFER TO L'AIR LIQUIDE'S ENCYCLOPEDIE DES GAS FOR
THE FLAMM LIMITS OF VARIOUS FUELS IN NITRIC OXIDE.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROP PROT EQUIP. IF LEAK IS IN USER'S EQUIP, BE CERTAIN TO PURGE
PIPING W/AN INERT GAS PRIOR TO ATTEMPTING REPAIRS. IF LEAD IS IN
CONTR OR CONTR VALVE, CONTACT CLOSED LIQUID AIR CORP LOCATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN COOL, DRY, WELL-VENTD AREA
AWAY FROM HEAVILY TRAFFICKED AREAS & EMER EXITS. DO NOT ALLOW TEMP
WHERE CYL ARE STORED TO EXCEED 130F.
Other Precautions:PROT CYL FROM PHYSICAL DAM. CYL SHOULD BE STORED
UPRIGHT/FIRMLY SECURED TO PVNT FALLING/BEING KNOCKED OVER. FULL &
EMPTY CYL SHOULD BE SEGREATED. USE "FIRST IN-FIRST OUT" INVENTORY
SYS TO PVNT FULL CY L BEING STORED FOR EXCESSIVE (ING 4)

Respiratory Protection:NIOSH/MSHA APPROVED POSITIVE PRESSURE AIR LINE
W/MASK OR SCBA SHOULD BE AVAILABLE FOR EMERGENCY USE.
Ventilation:HOOD W/FORCED VENTILATION. LOCAL EXHAUST TO PREVENT
ACCUMULATION ABOVE TWA.
Protective Gloves:RUBBER OR TEFLON GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:SAFETY SHOES, SAFETY SHOWER & EYEWASH
FOUNTAIN.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
APPEAR/ODOR:O*2 IN AIR) IS REDDISH-BROWN IN COLOR W/AN ACID-SUFFOCATING
ODOR. FIRST AID PROC:SHOULD BE MOVED TO AN UNCONTAMD AREA, GIVEN
MOUTH-TO-MOUTH RESUSCITATION & SUPP O*2. ONCE RESPIRATION HAS B EEN
RESTORED, THEY SHOULD BE TREATED ASABOVE. INGEST:CALL MD
IMMEDIATELY . SKIN:FLUSH W/COPIOUS AMTS OF (ING 2)

Boiling Pt:B.P. Text:-241F,-152C
Vapor Pres:SUPP DATA
Spec Gravity:1.04 @ 70F
Solubility in Water:SUPP DATA
Appearance and Odor:COLORLESS GAS, BLUISH LIQ OR SOLID. NITROGEN
DIOXIDE (NITRIC OXIDE + (SUPP DATA

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, HALIDES, HYDROCARBONS & OXYGEN.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:UPON CONTACT W/MOISTURE & OXYGEN,
NITROGEN DIOXIDE & NITROUS & NITRIC ACIDS ARE PRODUCED.

Waste Disposal Methods:DO NOT ATTEMPT TO DISP OF RESIDUAL/UNUSED QTYS
RETURN IN SHIPPING CONTR PROPERLY LABELED, W/ANY VALVE OUTLET PLUGS
OR CAPS SECURED & VALVE PROT CAP IN PLACE TO LIQ AIR CORP FOR
PROPER DISP. FOR EMER D ISP, CONT CLOSEST LIQ AIR CORP LOCATION.
(ING 3)

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disclaims all liability for its use. Any person utilizing this
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assume responsibility for the suitability of this information to their
particular situation.