NATIONAL WELDERS -- COMPRESSED AIR  -- 6830-00-973-7275
<pre>=====================  Product Identification  =====================

Product ID:COMPRESSED AIR
MSDS Date:11/20/1988
FSC:6830
NIIN:00-973-7275
=== Responsible Party ===
Company Name:NATIONAL WELDERS
Address:810 GESCO
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
CAGE:18264
=== Contractor Identification ===
Company Name:NATIONAL WELDERS SUPPLY CO INC
Address:810 GESCO ST
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
Phone:704-333-5475
CAGE:18264

=============  Composition/Information on Ingredients  =============

Ingred Name:COMPRESSED AIR
CAS:7782-44-7
RTECS #:RS2060000

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:DECOMPRESSION SICKNESS PAINS OR
    "BENDS" ARE POSSIBLE FOLLOWING RAPID DECOMPRES- SION.
Effects of Overexposure:INHALIATION IN A HIGH PRESSURE ENVIRONMENT SUCH
    AS UNDERWATER DIVING, CAISSONS, OR HYPERBARIC CHAMBERS CAN RESULT
    IN SYMPTOMS SIMILAR TO OVEREXPOSURE TO PURE   OXYGEN. THESE INCLUDE
    TINGLING OF FINGER S & TOES, ABNORMAL SENSATIONS,
    IMPAIREDCOORDINATION AND CONFUSION.

=======================  First Aid Measures  =======================

First Aid:FACILITIES OR PRACTICES AT WHICH AIR IS BREATHED IN A HIGH
    PRESSURE ENVIRONMENT SHOULD BE PREPARED TO DEAL WITH THE ILLNESSES
    ASSOCIATED WITH DECOMPRESSION     (BENDS OR CAISSON DISEASE).
    DECOMPRESSIO N EQUIPMENT MAY BE REQUIRED.

=====================  Fire Fighting Measures  =====================

Extinguishing Media:NONFLAMMABLE GAS
Unusual Fire/Explosion Hazard:COMPRESSED AIR AT HIGH PRESSURES WILL
    ACCELERATE THE BURNING OF MATERIALS TO A  GREATER RATE THAN THEY
    BURN AT ATMOSPHERIC PRESSURE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:STORE/USE IN COOL, DRY, WELL
    VENTILATED AREA.DON'TLET TEMP EXCEED 130F.SEGREGATE FULL/EMPTY
    CYLINDERSTORE UPRIGHT AND FIRMLY SECURED.PROTECT OF DAMAGE
Other Precautions:COMPRESSED GAS CYLINDERS SHOULD NOT BE REFILLED
    EXCEPT BY QUALIFIED PRODUCERS OFCOMPRESSED GASES.

=============  Exposure Controls/Personal Protection  =============

Protective Gloves:ANY MATERIAL
Eye Protection:SAFETY GOGGLES OR GLASSES
Other Protective Equipment:SAFETY SHOES
Supplemental Safety and Health
NK

==================  Physical/Chemical Properties  ==================

Boiling Pt:B.P. Text:-317F/-194C
Vapor Pres:*SEE BELOW
Vapor Density:*SEE BELOW
Spec Gravity:1.0
Solubility in Water:VERY SLIGHTLY
Appearance and Odor:COLORLESS, ODORLESS GAS

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
NK *VAP PRES:@70F/21C ABOVE THE CRITICAL TEMP OF -221F/-140C
Hazardous Decomposition Products:NK *VAP DENS: .0749 LB/FT3 (1.200
    KG/M3)

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