===================== Product Identification =====================
MSDS NAME:75% ARGON-25% HELIUM MIXTURE, HE-25
NIIN:00N064804
MSDS Number: CGQTK
=== Responsible Party ===
Company:PRAXAIR INC
Address:39 OLD RIDGEBURY RD
City:DANBURY
State:CT
ZIP:06810-5113
Country:US
Info Phone Num:203-794-5782
Emergency Phone Num:203-794-5782
CAGE:0LV01
=== Contractor Identification ===
Company: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 =============
Name:HELIUM
CAS:7440-59-7
RTECS #:MH6520000
Fraction by Wt: 25%
OSHA PEL:N/K
ACGIH TLV:N/K
Name:ARGON
CAS:7440-37-1
RTECS #:CF2300000
Fraction by Wt: 75%
OSHA PEL:N/K
ACGIH TLV:ASPHYXIANT
Name:HAZ DECOMP PROD: BY RADIA FROM ARC. OTHER DECOMP PRODS OF
NORM OPERATION ORIGINATE FROM VOLAT, RXN/OXIDATION OF MATL.
RTECS #:9999999ZZ
Name:EFTS OF OVEREXP: SUCH AS WATERY EYES, NOSE & THROAT IRRIT,
HDCH, DIZZ, DFCLTY BRTHG, FREQUENT COUGHING/CHEST (ING 5)
RTECS #:9999999ZZ
Name:ING 4: PAINS. CHRONIC: PROTRACTED INHAL OF AIR CONTAMINANTS
MAY LEAD TO THEIR ACCUM IN LUNGS, A CNDTN WHICH MAY (ING 6)
RTECS #:9999999ZZ
Name:ING 5: BE SEEN AS DENSE AREAS ON CHEST X-RAYS. SEV OF
CHANGE IS PROPORTIONAL TO LENGTH OF EXPOS. CHANGES SEEN ARE(ING 7)
RTECS #:9999999ZZ
Name:ING 6: NOT NEC ASSOC W/SYMPS/SIGNS OF REDUCED LUNG
FUNC/DISEASE. IN ADDN, CHANGES ON X-RAYS MAY BE CAUSED BY (ING 8)
RTECS #:9999999ZZ
Name:ING 7: NON-WORK RELATED FACTORS SUCH AS SMOKING, ETC.
RTECS #:9999999ZZ
Name:VENT: MAY BE ACCEPTABLE PROVIDED THAT IT IS ADEQ TO
MAINTAIN CONC OF HAZ FUMES & GASES 52C (APPROX 125F). MOST CONTRS ARE (SUP DAT)
================== Accidental Release Measures ==================
Spill Release Procedures:ASPHY. EVACUATE ALL PERS FROM DANGER AREA. USE
NIOSH APPRVD SCBA WHERE NEEDED. SHUT OFF CYL IF W/OUT RISK. VENT
AREA OF LEAK/MOVE CYL TO WELL-VENTD AREA. TEST AREA, ESP CONFINED
AREAS, FOR SUFFICIENT OXYGEN CONTENT PRIOR TO RE-ENTRY OF
PERSONNEL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:FUMES & GASES CANNOT BE CLASSIFIED
SIMPLY. COMPOSITION & QTY OF BOTH ARE DEPENDENT UPON METAL BEING
WORKED, PROCESS, PROC & ELECTRODES USED.
Other Precautions:OTHER CNDTNS WHICH ALSO INFLUENCE COMPOSITION & QTY
OF FUMES & GASES TO WHICH WORKERS MAY BE EXPOSED INCL: COATINGS ON
METAL BEING WORKED (PAINT, PLATING/GALVANIZING), NUMBER OF WORKERS
& VOL OF WORK AREA, QUALITY & AMT OF VENT, (ING 12)
============= Exposure Controls/Personal Protection =============
Respiratory Protection:USE NIOSH APPRVD AIR-PURIFYING/AIR-SUPP RESPS AS
POSS, WHERE LOC &/GEN EXHST VENT IS NOT ADEQ TO KEEP EXPOS < TLV
DURING WELDING. NIOSH APPRVD AIR-SUPP RESP REQD WHILE WORKING IN
CONFINED SPACES.
Ventilation:USE LOC EXHST SYS, IF NEC, TO MAINTAIN CONC OF HAZ FUMES &
GASES < TLV. UNDER CERTAIN CNDTNS, GEN EXHST VENT (ING 9)
Protective Gloves:WELDING GLOVES RECOMMENDED.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EMER EYEWASH & DELUGE SHOWER .
WEAR HAND, HEAD, & BODY PROT TO PVNT INJURY FROM RADIA, SPKS, (ING
10)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRE FIGHT PROC: CONTRS AWAY FROM FIRE AREA IF W/OUT RISK. SHUT OFF
LEAK IF W/OUT RISK. ARCS & SPKS CAN IGNITE COMBUSTS. REFER TO ANSI
Z49.1. EXPLO HAZ: PROVIDED W/PRESS-RELIEF DEVICE DESIGNED TO VENT
CONTENTS WHEN THEY ARE EXPOSED TO ELEVATED TEMP. FIRST AID PROC:
SHOULD BE DIRECTED AT CTL OF SYMPS & CLINICAL CNDTN.
================== Physical/Chemical Properties ==================
Vapor Pres:GAS
Vapor Density:1.42
Spec Gravity:GAS (H*2O=1)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
PRESSURE.
Percent Volatiles by Volume:100
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
TITANIUM BURNS IN CARBON DIOXIDE ABOVE 550C. MAGNESIUM BURNS IN CARBON
DIOXIDE ABOVE 775C.
Stability Condition to Avoid:NONE CURRENTLY KNOWN.
Hazardous Decomposition Products:ARC PROCESS MAY FORM GASEOUS RXN PRODS
SUCH AS CARBON MONOXIDE & DIOXIDE. OZONE & NITROGEN OXIDES MAY BE
FORMED (ING 3)
==================== Disposal Considerations ====================
Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE. DISCARD ANY
PRODUCT, RESIDUE, DISPOSABLE CONTAINER OR LINER IN AN
ENVIRONMENTALLY ACCEPTABLE MANNER IN FULL COMPLIANCE WITH FEDERAL,
STATE AND LOCAL REGULATIONS.
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 this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.
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