Product ID:LIQUID ARGON
MSDS Date:01/01/1991
FSC:6830
NIIN:00N028969
MSDS Number: BMYNQ

NATIONAL WELDERS

CHARLOTTE, NC 28231
US

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

Info Phone: 704-333-5476

Cage: 18264

NATIONAL WELDERS SUPPLY CO INC

31007 CHARLOTTE, NC 28231 US

Telephone: 704-333-5475

Cage: 18264

IS A VIOLATION OF FEDERAL LAW (49 CFR).

RTECS: 9999999ZZ

ARGON

CAS: 7440-37-1

RTECS: CF2300000

ACGIH TLV: SIMPLE ASPHYXIANT

FLUSH AFFECTED AREAS W/LUKEWARM H*2O. DO NOT

RTECS: 9999999ZZ

CRYOGENIC "BURN" HAS RESULTED IN BLISTERING OF DERMAL

RTECS: 9999999ZZ

H*2O FOR MINIMUM OF 15 MINS, SEEK ASSISTANCE FROM MD

RTECS: 9999999ZZ

TO REPAIR, ADJUST/IN ANY OTHER WAY MODIFY

RTECS: 9999999ZZ

OPERATIONAL PROB W/VESSEL, CONTACT CLOSEST SUPPLIER

RTECS: 9999999ZZ

MONEL, INCONEL & BERYLLIUM. LIQUEFIED GAS CYLS

RTECS: 9999999ZZ

THESE PRODS. SHIPMENT OF COMPRESSED GAS CNTNR WHICH

RTECS: 9999999ZZ

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:EFTS OF OVEREXP TO HIGH CONCS SO AS TO
DISPLACE O2 IN AIR NEC FOR LIFE MAY INCL ANY, ALL/NONE OF
FOLLOWING:LOSS OF BALANCE & DIZZ; TIGHTNESS IN FRONTAL AREA OF
FOREHEAD; TINGLING IN TONGUE, FINGERTIPS /TOES; WEAK SPEECH LEADING
TO INABILITYTO UTTER SOUNDS; RAPID REDUCTION IN ABILITY TO PERFORM
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:MOVEMENTS; REDUCED CONSCIOUSNESS OF
SURROUND; LOSS OF TACTILE SENSATIONS; HEIGHTENED MENTAL ACTIVITY.
IT SHOULD BE RECOGNIZED THAT IT IS POSS THAT NONE OF ABOVE SYMPS
MAY OCCUR IN ARGON ASPHY XIA SO THAT THERE ARE NO DEFINITE WARNING
SYMPS. CONT W/CRYOGENIC LIQ/ COLD PIPING CNTNG LIQ CAN CAUSE TISS
FRZ/ (SUPDAT
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:PROMPT MED ATTN IS MANDATORY IN ALL CASES OF OVEREXP TO
ARGON. RESCUE PERS SHLD BE EQUIPPED W/NIOSH/MSHA APPRVD SCBA.
INHAL:CONSCIOUS PERS SHLD BE ASSISTED TO UNCONTAM AREA & INHALE
FRESH AIR. QUICK R EMOVAL FROM CONTAM AREA IS MOST IMPORTANT. UNCON
PERS SHLD BE MOVED TO UNCONTAM AREA, GIVEN MOUTH-TO-MOUTH
RESUSCITATION & SUPP O2. FURTHER TREATMENT SHLD BE SYMPTOMATIC &
SUPPORTIVE. SKIN: (ING 2)

Flash Point:NON-FLAMMABLE
Extinguishing Media:NONFLAMMABLE, INERT. MEDIA SUITABLE FOR SURROUNDING
FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .

Spill Release Procedures:LIQ ARGON IS DELIVERED TO CUSTOMER INTO
STATIONARY VACUUM-JACKETED VESSELS @ CUSTOMER'S LOCATION/IN
PORTABLE VACUUM-JACKETED "LIQ" CYLS. STATIONARY CUSTOMER-SITE
VESSELS SHLD BE OPERATED I/A/W MFR'S & YOUR SUPPLIER'S INSTRUCTS.
DO NOT ATTEMPT (ING 5)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:LIQ ARGON CYLS SHLD BE USED ONLY IN
WELL- VENTED AREAS & I/A/W MFR'S & YOUR SUPPLIER'S INSTRUCTS. CYLS
MUST ALWAYS BE KEPT IN UPRIGHT POSITION.
Other Precautions:"FIRST IN-FIRST OUT" INVENTORY SYS SHOULD BE USED W/
CYLS. LIQ ARGON CANNOT BE HNDLD IN CARBON/LOW ALLOY STEELS. 18-8 &
18-10 STAINLESS STEELS ARE ACCEPT AS ARE COPPER & ITS ALLOYS,
NICKEL & ITS ALLOY S BRASS, BRONZE, SILICON ALLOYS, (ING 7)

Respiratory Protection:A NIOSH/MSHA APPROVED POSITIVE PRESSURE AIR LINE
W/MASK OR NIOSH/MSHA APPROVED SCBA SHOULD BE AVAILABLE FOR
EMERGENCY USE.
Ventilation:LOCAL EXHAUST:TO PVNT ACCUM OF HIGH CONCS SO AS TO REDUCE
O2 LEVEL IN AIR TO LESS THAN 18 MOLAR PERCENT.
Protective Gloves:LOOSE FITTING, INSULATED GLOVES.
Eye Protection:CHEM WORK GOGG/FULL LENGTH FCSHLD.
Other Protective Equipment:SAFETY SHOES. SPECIALIZED HAND TRUCKS ARE
NEEDED FOR MOVEMENT OF CYLINDERS. EMER EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VAP DENS:0.1034 LB/FT3 @ 70F, 1 ATM. EFTS OF OVEREXP:FROSTBITE ON
DERMAL CONT/IF SPLASHED INTO EYES. ARGON IS NONTOX BUT LIBERATION
OF LG AMT IN CONFINED AREA COULD DISPLACE AMT OF O2 IN AIR NEC TO
SU PPORT LIFE. FROSTBITE EFTS ARE CHANGE IN COLOR OF SKIN TO
GRAY/WHITE POSS FOLLOWED BY BLISTERING.

HCC:G3
Boiling Pt:B.P. Text:-303F,-186C
Melt/Freeze Pt:M.P/F.P Text:-309F,-189C
Vapor Density:SUPP DATA
Spec Gravity:1.38 (AIR=1)
Solubility in Water:VERY SLIGHTLY
Appearance and Odor:COLORLESS, ODORLESS GAS.

Stability Indicator/Materials to Avoid:YES
NONE
Hazardous Decomposition Products:NONE

Waste Disposal Methods:FOR EMERGENCY DISPOSAL ASSISTANCE, CONTACT YOUR
CLOSEST SUPPLIER/CALL EMER NUMBER LISTED ON THIS MSDS. DISPOSAL
MUST BE I/ A/W FEDERAL, STATE & LOCAL REGULATIONS .

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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.