SIGMA CHEMICAL COMPANY -- T4948-4 TRI-N-BUTYLPHOSPHINE,97%  -- 6810-00F045366
<pre>=====================  Product Identification  =====================

Product ID:T4948-4 TRI-N-BUTYLPHOSPHINE,97%
MSDS Date:08/01/1995
FSC:6810
NIIN:00F045366
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
CAGE:21076
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928
Company Name:FLUKA CHEMICAL CORP
Address:1001 WEST ST PAUL
Box:City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:63181
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Phone:314-771-5765
CAGE:21076

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

Ingred Name:TRI-N-BUTYLPHOSPHINE   *95-3*
CAS:998-40-3
RTECS #:SZ3270000
Fraction by Wt: 97%

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

LD50 LC50 Mixture:ORAL LD50(RAT): 750 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:EXTREMELY DESTRUCTIVE TO TISSUE OF
    MUCOUS MEMBRANES, UPPER RESPSIRATORY TRACT, EYES & SKIN.
    INHALATION: HARMFUL/FATAL, EDEMA OF LARYNX/BRONCHI/PULMONARY,
    CHEMICAL PNEUMONITIS. HARMFUL IF INGESTED/ABSO RBED THROUGH SKIN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, SPASM, INFLAMMATION, BURNING
    SENSATION, COUGHING, WHEEZING, LARYNGITIS, SHORTNESS OF BREATH,
    HEADACHE, NAUSEA, VOMITING.

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NEEDED. INGESTION: IF CONSCIOUS, WASH MOUTH OUT W/WATER. OBTAIN
    MEDICAL ATTENTI ON IN ALL CASES.

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

Flash Point:99F
Extinguishing Media:CO2, DRY CHEMICAL POWDER, APPROPRIATE FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:PYROPHORIC MATERIAL. VAPOR MAY TRAVEL TO
    DISTANT IGNITION SOURCE & FLASH BACK. CATCHES FIRE IF EXPOSED TO
    AIR.

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVACUATE AREA. REMOVE IGNITION SOURCES. WEAR A
    SCBA, RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER W/DRY-LIME,
    SAND/SODA ASH. PLACE IN COVERED CONTAINERS USING NON-SPARKING TOOLS
    & TRANSPORT OUTDOORS. VEN TILATE AREA. WASH SITE AFTER PICKUP IS
    COMPLETE.

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

Handling and Storage Precautions:HANDLE & STORE UNDER NITROGEN. KEEP
    TIGHTLY CLOSED & AWAY FROM IGNITION SOURCES. STORE IN A COOL DRY
    PLACE. PRODUCT IS PYROPHORIC.
Other Precautions:DON'T BREATHE VAPOR. DON'T GET IN EYES, ON
    SKIN/CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.

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

Respiratory Protection:WEAR AN APPROPRIATE NIOSH/MSHA APPROVED
    RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT/HEAVY RUBBER
Eye Protection:SAFETY GOGGLES/8-INCH MINIMUM FACESHIELD
Other Protective Equipment:OTHER PROTECTIVE CLOTHING, RUBBER BOOTS, EYE
    BATH & SAFETY SHOWER
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. DISCARD CONTAMINATED SHOES. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
ORAL LD50 INFORMATION IS FOR TRI-N-BUTYLPHOSPHINE.

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

Boiling Pt:B.P. Text:302F
Vapor Density:9
Spec Gravity:0.812
Appearance and Odor:COLORLESS LIQUID W/UNPLEASANT ODOR.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, OXYGEN.
Stability Condition to Avoid:AIR & MOISTURE SENSITIVE, HEAT, SPARKS,
    OPEN FLAME & OTHER IGNITION SOURCES.
Hazardous Decomposition Products:TOXIC FUMES OF CO & CO2. THERMAL
    DECOMPOSITION: TOXIC FUMES OF PHOSPHORUS OXIDES &/PHOSPHINE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN
    AFTERBURNER & SCRUBBER IAW/FEDERAL, STATE & LOCAL REGULATIONS.
    EXERT EXTRA CARE IN IGNITING AS THIS MATERIAL IS HIGHLY FLAMMABLE.

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