PRAXAIR, INC. -- OXYGEN LIQUID, OXYGEN, REFRIGERATED LIQUID
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Material Safety Data Sheet
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MSDS Num: CLHQH
MSDS NAME: OXYGEN LIQUID, OXYGEN, REFRIGERATED LIQUID
Responsible Party
Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Info Phone: 1-800-PRAXAIR
Emergency Phone Number: 800-645-4633
Resp. Party Other MSDS No.: P-4637-E
Chemtrec IND/Phone: (800)424-9300
Review Ind: Y
Published: Y
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Contractor Summary
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Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Phone: 800-772-9247; 800-PRAXAIR
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Ingredients
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Cas: 7782-44-7
RTECS #: RS2060000
Name: OXYGEN
> Wt: 99.
OSHA PEL: NONE ESTABLISHED
ACGIH TLV: NONE ESTABLISHED
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Health Hazards Data
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Route Of Entry Inds - Inhalation: YES
Skin: YES
Ingestion: NO
Carcinogenicity Inds - NTP: NO
IARC: NO
OSHA: NO
Effects of Exposure: EFFECTS OF A SINGLE (ACUTE) OVEREXPOSURE: INHALATION-
BREATHING 80% OR MORE OXYGEN AT ATMOSPHERIC PRESSURE FOR MORE THAN A FEW HRS
MAY CAUSE NASAL STUFFNESS, COUGH, SORE THROAT, CHEST PAIN AND BREATHI NG
DIFFICULTY. AT HIGHER PRESSURES, ADVERSE EFFECTS ARE MORE LIKELY AND MAY
OCCUR SOONER. BREATHING PURE OXYGEN UNDER PRESSURE MAY DAMAGE THE LUNGS AND
AFFECT THE CENTRAL NERVOUS SYSTEM, PRODUCING DIZ ZINESS, POOR COORDINATION, A
TINGLING SENSATION, VISUAL AND HEARING DISTURBANCES, MUSCULAR TWITCHING,
UNCONSCIOUSNESS, AND CONVULSIONS. PERSONS WHO BREATHE OXYGEN UNDER PRESSURE
MAY ADAPT MORE SLOWLY TO (SIGNS AND SYMPTOMS OF OVEREXPOSURE)
Explanation Of Carcinogenicity: OXYGEN IS NOT LISTED BY NTP, OSHA, OR IARC.
FIRST AID (CONT): AND AWAY FROM THE EYEBALLS TO ENSURETHAT ALL SURFACES
ARE FLUSHED THOROUGHLY. SEE A PHYSICIAN, PREFERABLY AN OPTHALMOLOGIST, IMMEDI
ATELY. NOTES TO PHYSICIAN: SUPPORTIVE TREATMENT SHOULD INCLUDE IMMEDIATE
SEDATION, ANTI-CONVULSIVE THERAPY IF NEDED, AND REST. SEE (TOXICOLOGICAL
INFO) SECTION
Signs And Symptions Of Overexposure: HEALTH HAZARDS ACUTE AND CHRONIC (CONT):
DARKNESS AND MAY SUFFER REDUCED PERIPHERAL VISION. SKIN CONTACT - NO HARM
EXPECTED FROM VAPOR. COLD GAS OR LIQUID MAY CAUSE SEVERE FROSTBITE.
SWALLOWING - AN UNLIKELY ROUTE OF EXPOSURE, BUT SEVERE FROSTBITE OF THE LIPS
AND MOUTH MAY RESULT FROM CONTACT WITH THE LIQUID. EYE CONTACT - NO HARM
EXPECTED FROM VAPOR. COLD GAS OR LIQUID MAY CAUSE SEVERE FROSTBI TE. EFFECTS
OF REPEATED (CHRONIC) OVEREXPOSURE: NO HARM EXPECTED. OTHER EFFECTS OF
OVEREXPOSURE: SEE SECTION, TOXICOLOGICAL INFORMATION. SIGNIFICANT LABORATORY
DATA WITH POSSIBLE RELEVANCE TO HUMAN HEALTH HAZARD EVALUATION: NONE KNOWN.
Medical Cond Aggravated By Exposure: SEE SECTION, TOXICOLOGICAL INFORMATION.
PATIENTS WITH CHRONIC OSTRUCTIVE PULMONARY DISEASE RETAIN CARBON DIOXIDE
ABNORMALLY.
First Aid: INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL
RESPIRATION. KEEP VICTIM WARM AND AT REST. CALL A PHYSICIAN. ADVISE THE
PHYSICIAN THAT THE VICTIM HAS BEEN EXPOSED TO A HIGH CONCENTR ATION OF
OXYGEN. SKIN CONTACT: FOR EXPOSURE TO LIQUID, IMMEDIATELY WARM FROSTBITE AREA
WITH WARM WATER NOT TO EXCEED 105 F (41C). IN CASE OF MASSIVE EXPOSURE,
REMOVE CLOTHING WHILE SHOWERING WITH WARM WATER. CALL PHYSICIAN.
SWALLOWING: AN UNLIKELY ROUTE OF EXPOSURE. THIS PRODUCT IS A GAS AT NORMAL
TEMPERATURE & PRESSURE. EYE CONTACT: IMMEDIATELY FLUSH EYES THOROUGHLY
WITH WARM WATER. HOLD EYE LI DS OPEN (EXPLANATION OF CARCINOGENICITY)
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Handling and Disposal
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Spill Release Procedures: WARNING! EXTREMELY COLD OXIDIZING LIQUID AND GAS
UNDER PRESSURE. IMMEDIATELY EVACUATE ALL PERSONNEL FROM DANGER AREA. AVOID
CONTACT WITH SPILLED LIQUID AND ALLOW IT TO EVAPORATE. LIQUID CAUSES SEVERE
FROSTBITE, A BURN-LIKE INJURY. (SEE HEALTH HAZARDS SECTION). DO NOT WALK ON
OR ROLL EQUIPMENT OVER SPILL; ANY IMPACT COULD CAUSE AN EXPLOSION. CONTACT
WITH FLAMM MATERIALS MAY CAUSE (ECOLOGICAL INFO)
Neutralizing Agent: N/P.
Waste Disposal Methods: DO NOT ATTEMPT TO DISPOSE OF RESIDUAL OR UNUSED
QUANTITIES. CONTACT YOUR SUPPLIER. FOR EMERGENCY DISPOSAL, DISCHARGE SLOWLY
TO THE ATMOSPHERE IN A WELL-VENTILATED AREA OR OUTDOORS. ALSO SEE (SPILL REL
EASE PROCEDURES) SECTION FOR DISPOSAL FOLLOWING SPILLS.
Handling And Storage Precautions: STORAGE: STORE AND USE WITH ADEQUATE
VENTILATION, AWAY FROM OIL, GREASE, AND OTHER HYDROCARBONS. DO NOT STORE IN A
CONFINED SPACE. CRYOGENIC CONTAINERS ARE EQUIPPED WITH A PRESSURE RELIEF
DEVICE AND A PRESSURE CONTROLLING VALVE. UNDER NORMAL CONDITIONS THESE
CONTAINERS WILL (OTHER PRECAUTIONS)
Other Precautions: N/P. HANDLING AND STORAGE PRECAUTIONS (CONT):
PERIODICALLY VENT PRODUCT. SEPARATE OXYGEN CONTAINERS FROM FLAMMABLES BY AT
LEAST 20 FEET OR USE A BARRICADE OF NONCOMBUSTIBLE MATERIAL. THIS BARRIC ADE
SHOULD BE AT LEAST 5 FEET HIGH AND HAVE A FIRE RESISTANCE RATING OF AT LEAST
1/2 HOUR. USE ADEQU ATE (OTHER INFO)
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Fire and Explosion Hazard Information
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Extinguishing Media: VIGOROUSLY ACCELERATES COMBUSTION. USE MEDIA APPROPRIATE
FOR SURROUNDING FIRE. WATER (E.G. SAFETY SHOWER) IS THE PREFERRED
EXTINGUISHING MEDIA FOR CLOTHING FIRES.
Fire Fighting Procedures: WARNING! EXTREMELY COLD, OXIDIZING LIQUID AND GAS
UNDER PRESSURE. EVACUATE ALL PERSONNEL FROM DANGER AREA. IMMEDIATELY SPRAY
CONTAINERS WITH WATER FROM MAXIMUM DISTANCE UNTIL COOL, TAKING CARE NOT TO
DIRECT SPRAY ONTO VENTS ON TOP OF CONTAINER. DO NOT DISCHARGE SPRAYS INTO
LIQUID OXYGEN. (SUPPLEMENTAL SAFETY & HEALTH)
Unusual Fire/Explosion Hazard: OXIDIZING AGENT; VIGOROUSLY ACCELERATES
COMBUSTION. CONTACT WITH FLAMMABLE MATERIALS MAY CAUSE FIRE OR EXPLOSION. DO
NOT WALK ON OR ROLL EQUIPMENT OVER SPILL; ANY IMPACT COULD CAUSE AN
EXPLOSION. SMOK ING, FLAMES, AND ELECTRIC SPARKS ARE POTENTIAL EXPLOSION
HAZARDS IN ENRICHED OXYGEN ATMOSPHERES. HEAT OF FIRE (SARA III)
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Control Measures
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Respiratory Protection: NONE REQUIRED UNDER NORMAL USE. HOWEVER AN AIR SUPPLIED
RESPIRATOR MUST BE USED IN CONFINED SPACES WITH THIS PRODUCT. THE RESPIRATORY
PROTECTION USE MUST CONFORM WITH OSHA RULES AS SPECIFIED IN 29 CFR 1910.134.
Protective Gloves: LOOSE FITTING CRYOGENIC GLOVES. GLOVES MUST BE FREE OF OIL
AND GREASE.
Eye Protection: SAFETY GLASSES AND A FULL FACE SHIELD ARE RECOMMENDED. (WORK
HYGENIC PRACTICES)
Other Protective Equipment: METATARSAL SHOES FOR CONTAINER HANDLING. PROT
CLOTHING WHERE NEEDED. CUFFLESS TROUSERS OVER SHOES.SELECT IAW OSHA 29 CFR
1910.132 & 1910.133. REGARDLESS OF PROT EQUIP, NEVER TOUCH LIVE ELECTRICAL
PARTS.
Work Hygienic Practices: N/P. EYE PROTECTION (CONT): SELECT IN
ACCORDANCE WITH OSHA 29 CFR 1910.133. PHYSICAL / CHEMICAL PROPERTIES
(CONT): MOLECULAR WEIGHT: 31.998. EXPANSION RATIO: 1 TO 860.5.
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Physical/Chemical Properties
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Boiling Point: =-182.9C, -297.3F
B.P. Text: (1 ATM)
Melt/Freeze Pt: =-218.6C, -361.8F
M.P/F.P Text: (1 ATM) FREEZING POINT
Spec Gravity: 1.14 (AIR=1) @ 70F, 1ATM
Evaporation Rate & Reference: HIGH (BUTYL ACETATE=1)
Solubility in Water: VOL/VOL@32F,0C,1ATM:0.491
Appearance and Odor: PALE BLUE, ODORLESS CRYOGENIC LIQUID.
Percent Volatiles by Volume: 100
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Reactivity Data
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Stability Indicator: YES
Materials To Avoid: FLAMMABLE MATERIALS, HYDROCARBONS SUCH AS OILS AND GREASE,
ASPHALT, ETHERS, ALCOHOLS, ACIDS & ALDEHYDES. OXYGEN REACTS WITH MANY
MATERIALS. SEE NFPA 491M, MANUAL OF HAZARDOUS CHEMICAL REACTIONS FOR DETAILS.
Hazardous Decomposition Products: NONE. HAZARDOUS COMBUSTION PRODUCTS:
NONE KNOWN.
Hazardous Polymerization Indicator: NO
Conditions To Avoid Polymerization: NONE.
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Toxicological Information
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Toxicological Information: AT ATMOSPHERIC CONC & PRESSURE, O2 POSES NO
TOXICITY HAZARDS. AT HIGH CONC,NEWBORN PREMATURE INFANTS MAY SUFFER DELAYED
RETINAL DAMAGE(RETINAL FIBROPLASIA) THAT CAN PROGRESS TO RETINAL DETACHMENT
& BL INDNESS. RETINAL DAMAGE MAY ALSO OCCUR IN ADULTS EXPOSED TO 100% O2
FOR EXTENDED PERIODS (24-48 HRS) OR AT GREATER THAN ATM PRESSURE PARTICULARLY
IN INDIVIDUALS WHOSE RETINAL CIRCULATION HAS BEEN PREV IOUSLY COMPROMISED.
ALL INDIVIDUALS EXPOSED FOR LONG PERIODS TO O2 AT HIGH PRESSURE & ALL WHO
EXHIBIT OVERT O2 TOXICITY SHOULD HAVE OPTHALMOLOGIC EXAMS. AT 2 OR MORE ATM
PR, TOXICITY TO CNS OCCURS. FOR INFORMATION CONTACT NEHC (FP N).
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Ecological Information
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Ecological: THE ATMOSPHERE CONTAINS APPROX 21% OXYGEN. NO ADVERSE ECOLOGICAL
EFFECTS EXPECTED. OXYGEN DOES NOT CONTAIN ANY CLASS I OR CLASS II
OZONE-DEPLETING CHEMICALS. OXYGEN IS NOT LISTED AS A MARINE POLLUTANT BY
DOT. SPILL / RELEASE PROC (CONT): FIRE OR EXPLOSION. SMOKING, FLAMES AND
ELECTRICAL SPARKS ARE POTENTIAL EXPLOSION HAZARDS IN ENRICHED OXYGEN
ATMOSPHERES. SHUT OFF LEAK IF WITHOUT RISK. VENTI LATE AREA OR MOVE LEAKING
CONTAINER TO VENTILATED AREA. REMOVE ALL FLAMMABLE MATERIALS FROM VICINITY.
OXYGEN MUST MEVER BE PERMITTED TO STRIKE AN OILY SURFACE, GREASY CLOTHES, OR
OTHER COMBUSTIBLE MAT ERIALS. EMERGENCY DISPOSAL (STATE REGS)
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MSDS Transport Information
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Regulatory Information
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Sara Title III Information: SECTION 302 / 304: THRESHOLD PLANNING QUANTITY
(TPQ): NONE. EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355): NONE. SECTIONS 311
/ 312: THE HAZARD CATEGORIES FOR THIS PRODUCT ARE: IMMEDIATE: YES, PRESSURE :
YES, REACTIVITY: YES, FIRE: YES; DELAYED: NO. SECTION 313: OXYGEN DOES NOT
REQUIRE REPORTING UNDER THIS SECTION. UNUSUAL FIRE & EXPLOSION
HAZARD (CONT): CAN BUILD UP PRESSURE IN CLOSED CON TAINER AND CAUSE IT TO
RUPTURE. NO PART OF A CONTAINER SHOULD BE EXPOSED TO TEMPERATURE HIGHER THAN
125F (52C). LIQUID OXYGEN CONTAINERS ARE EQUIPPED WITH RELEIF VALVES. VENTING
VAPORS MAY OBSCURE VIS IBILITY. LIQUID CAUSES SEVERE FROSTBITE.
Federal Regulatory Information: CERCLA (40 CFR PARTS 117 & 302): REPORTABLE
QUANTITY (RQ): NONE. 40 CFR 68: RISK MANAGEMENT PROGRAM FOR CHEMICAL
ACCIDENTAL RELEASE PREVENTION: OXYGEN IS NOT LISTED AS A REGULATED SUBSTANCE.
TSCA: T OXIC SUBSTANCES CONTROL ACT: OXYGEN IS LISTED ON THE TSCA INVENTORY.
OSHA, 29 CFR 1910.119: PROCESS SAFETY MANAGEMENT OF HIGHLY HAZARDOUS
CHEMICALS: REQUIRES FACILITIES TO DEVELOP A PROCESS SAFETY MA NGEMENT PROGRAM
BASED ON THRESHOLD QTY (TQ) OF HIGH HAZARDOUS CHEMICALS. OXYGEN IS NOT LISTED
IN APP ENDIX A AS A HIGHLY HAZARDOUS CHEMICAL.
State Regulatory Information: CALIFORNIA:THIS PRODUCT IS NOT LISTED BY
CALIFORNIA UNDER THE SAFE DRINKING WATER TOXIC ENFORCEMENT ACT OF 1986
(PROPOSITION 65). PENNSYLVANIA: THIS PRODUCT IS SUBJECT TO THE PENNSYLVANIA
WORKER & CO MMUNITY RIGHT-TO-KNOW ACT (35 P.S. SECTIONS 7301-7320).
ECOLOGICAL INFO (CONT): MEASURES: KEEP RESONNEL AWAY. LIQUID OXYGEN SHOULD BE
DUMPED INTO AN OUTDOOR PIT FILLED WITH CLEAN GRAVEL FREE OF GREASE AND OIL,
WHERE IT WILL SAFELY EVAPORATE. PREVENT WASTE FROM CONTAMINATING THE
SURROUNDING ENV IRONMENT. DISCARD ANY PRODUCT, RESIDUE, DISPOSABLE CONTAINER
OR LINER IN AN ENVIRONMENTALLY ACCEPTABLE MANNER, AIW APPLICABLE REGS.
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Other Information
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Other Information: EMERGENCY OVERVIEW: WARNING! EXTREMELY COLD, OXIDIZING
LIQUID AND GAS UNDER PRESSURE. VIGOROUSLY ACCELERATES COMBUSTION. CAN CAUSE
SEVERE FROSTBITE. COMBUSTIBLES IN CONTACT WITH LIQUID OXYGEN MAY EXPL ODE ON
IGNITION OR IMPACT. MAY CAUSE DIZZINESS AND DROWSINESS. SELF-CONTAINED
BREATHING APPARATUS MAY BE REQUIRED BY RESCUE WORKERS. ODOR: NONE.
OTHER PRECAUTIONS (CONT): PRESSURE RELEIF DEVICE S IN SYSTEMS AND PIPING TO
PREVENT PRESSURE BUILDUP; ENTRAPPED LIQUID CAN GENERATE EXTREMELY HIGH
PRESSURES WHEN VAPORIZING BY WARMING. HANDLING: DO NOT TOUCH UNINSULATED
PIPES OR VESSELS. CONTACT NE HC FOR ADDITIONAL INFOMATION (FP N).
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HAZCOM Label
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MSDS NAME: OXYGEN LIQUID, OXYGEN, REFRIGERATED LIQUID
Company: PRAXAIR, INC.
Street: 39 OLD RIDGEBURY RD
City: DANBURY CT
Zipcode: 06810-5113
Health Emergency Phone: 800-645-4633
Label Required IND: Y
Date Of Label Review: 08/09/2001
Status Code: A
Origination Code: F
Eye Protection IND: YES
Skin Protection IND: YES
Signal Word: DANGER
Respiratory Protection IND: YES
Health Hazard: Slight
Contact Hazard: Severe
Fire Hazard: None
Reactivity Hazard: Slight
Hazard And Precautions: WARNING! EXTREMELY COLD, OXIDIZING LIQUID AND GAS UNDER
PRESSURE. VIGOROUSLY ACCELERATES COMBUSTION. COMBUSTIBLES IN CONTACT WITH
LIQUID OXYGEN MAY EXPLODE ON IGNITION OR IMPACT. SCBA MAY BE REQUIRED BY
RESCUE WORKERS. ACUTE: CAN CAUSE SEVERE FROSTBITE. MAY CAUSE DIZZINESS &
DROWSINESS. INHALATION, SKIN CONTACT, SWALLOWING: NO HARM EXPECTED FROM
VAPOR. COLD GAS OR LIQUID MAY CAUSE SEVERE FROSTBITE . CHRONIC: NO HARM
EXPECTED.
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Disclaimer (provided with this information by the compiling agencies): This
information is formulated for use by elements of the Department of Defense.
The United States of America in no manner whatsoever expressly or implied
warrants, states, or intends said information to have any application, use or
viability by or to any person or persons outside the Department of Defense
nor any person or persons contracting with any instrumentality of the United
States of America and disclaims all liability for such use. Any person
utilizing this instruction who is not a military or civilian employee of the
United States of America should seek competent professional advice to verify
and assume responsibility for the suitability of this information to their
particular situation regardless of similarity to a corresponding Department
of Defense or other government situation.
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