SIGMA CHEMICAL CO -- DIETHYL PYROCARBONATE, D5758  -- 6810-00N020460
<pre>=====================  Product Identification  =====================

Product ID:DIETHYL PYROCARBONATE, D5758
MSDS Date:09/25/1995
FSC:6810
NIIN:00N020460
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-3010
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
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:FORMIC ACID, OXYDI-, DIETHYL ESTER; (DIETHYL PYROCARBONATE)
CAS:1609-47-8
RTECS #:LQ9350000
Fraction by Wt: 100%
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:LD50:(ORAL,RAT) 850 MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:HARMFUL IF SWALLOWED, INHALED,
    OR ABSORBED THROUGH SKIN. VAPOR OR MIST IS IRRITATING TO EYES,
    MUCOOUS MEMBRANES AND UPPER RESPIRATORY TRACT. CAUSES SKIN
    IRRITATION. DIETHYL PYROCARBONATE MAY REA CT WITH AMMONIA TO FORM
    URETHANE. ANIMAL STUDIES INDICATE THAT URETHANE IS A CARCINOGEN.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES/SKIN:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR @ LST 15
    MINS WHILE REMOVING CONTAMD CLTHG & SHOES. ASSURE ADEQ FLUSHING OF
    EYES BY SEPARATING EYELIDS W/FINGERS. INHAL:REMOVE TO FRESH AIR. IF
    NOT BR THG GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYG.
    INGEST:WASH OUT MOUTH W/WATER PROVIDED PERSON IS CONSCIOUS. CALL
    PHYS. WASH CONTAMD CLTHG BEFORE REUSE.

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

Flash Point:157F,69C
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRITE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:COMBUSTIBLE.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPRVD SCBA, RUBBER
    BOOTS & HEAVY RUBBER GLOVES. ABSORB ON SAND/VERMICULITE & PLACE IN
    CLSD CNTNRS FOR DISP. VENTILATE AREA & WASH SPILL SITE AFTER
    MATERIAL PICKUP IS COMPLET E.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT BREATHE VAP. DO NOT GET IN
    EYES, ON SKIN, ON CLTHG. AVOID PRLNGD/RPTD EXPOS. IRRITANT. TOXIC.
    KEEP TIGHTLY CLSD. MOISTURE SENSITIVE.
Other Precautions:KEEP AWAY FROM HEAT & OPEN FLAME. OPEN CAREFULLY.
    COMBUSTIBLE. MAY DEVELOP PRESS. IN CASE OF ACCIDENT/IF FEELING
    UNWELL, SEEK MED ADVICE IMMED (SHOW LBL WHERE POSS). WEAR SUITABLE
    PROT CLTHG, GLOVES A ND EYE/FACE PROTECTION. REFRIGERATE.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MATLS TO AVOID:MOIST AIR OR WATER. AMMONIA.

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

Boiling Pt:B.P. Text:>199F,>93C
Spec Gravity:1.120
Evaporation Rate &amp; Reference:NOT KNOWN
Solubility in Water:NOT KNOWN
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, STRONG BASES, STRONG REDUCING
    AGENTS. MAY DECOMPOSE ON EXPOSURE TO (SUPDAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF:CARBON MONOXIDE, CARBON
    DIOXIDE.

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

Waste Disposal Methods:THIS COMBUSTIBLE MATL MAY BE BURNED IN A CHEM
    INCIN EQUIPPED WITH AN AFTERBURNER & SCRUBBER. OBSERVE ALL FEDERAL,
    STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

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