SIGMA CHEMICAL CO -- BUTYRIC ANHYDRIDE (C4:0), B2765  -- 6550-00N022376
<pre>=====================  Product Identification  =====================

Product ID:BUTYRIC ANHYDRIDE (C4:0), B2765
MSDS Date:10/25/1988
FSC:6550
NIIN:00N022376
=== Responsible Party ===
Company Name:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-8070
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:BUTYRIC ANHYDRIDE
CAS:106-31-0
RTECS #:ET7090000

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

LD50 LC50 Mixture:LD50:(ORAL RAT) 8790 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. MATERIAL IS EXTREMELY DESTRUCTIVE TO TISSUE
    OF THE MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT, EYES & SKIN.
    INHALATION MAY BE FATAL AS A R ESULT OF SPASM, INFLAMMATION & EDEMA
    OFTHE LARYNX & BRONCHI, CHEMICAL PNEUMONITIS & PULMONARY (SEE EFTS
    OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:EDEMA. SYMPTOMS OF EXPOSURE MAY
    INCLUDE BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS,
    SHORTNESS OF BREATH, HEADACHE, NAUSEA & VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYE/SKIN:IN CASE OF CONTACT, IMMED FLUSH EYES OR SKIN
    W/COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINS WHILE REMOVING
    CONTAMD CLOTHING & SHOES. ASSURE ADEQ FLUSHING OF THE EYES BY
    SEPARATING THE EYELID S W/FINGERS. WASH CONTAMD CLOTHING BEFORE
    REUSE. INHAL:REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE O*2. CALL MD.
    INGEST:CALL MD IMMED .

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

Flash Point:190F,88C
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER,
    ALCOHOL OR POLYMER FOAM.
Fire Fighting Procedures:COMBUSTIBLE. WEAR NIOSH/MSHA APPROVED SCBA &
    FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:EVACUATE AREA. WEAR SCBA, RUBBER BOOTS & HEAVY
    RUBBER GLOVES. ABSORB ON SAND OR VERMICULITE & PLACE IN CLOSED
    CONTAINERS FOR DISPOSAL. VENTILATE AREA & WASH SPILL SITE AFTER
    MATERIAL PICKUP IS COMPLET E.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN COOL, DRY PLACE. MOISTURE
    SENSITIVE. KEEP AWAY FROM HEAT & OPEN FLAME. KEEP TIGHTLY CLOSED.
Other Precautions:CORROSIVE. STENCH. AVOID PROLONGED OR REPEATED
    EXPOSURE. DO NOT GET IN EYES, ON SKIN OR ON CLOTHING. DO NOT
    BREATHE VAPOR.

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

Respiratory Protection:WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER & EYE
    BATH.
Work Hygienic Practices:WASH THOROUGHLY AFFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

Boiling Pt:B.P. Text:388F,198C
Melt/Freeze Pt:M.P/F.P Text:-87F,-66C
Spec Gravity:0.967
Appearance and Odor:NONE SPECIFIED BY MANUFACTURER.

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

STRONG OXIDIZING AGENTS, ACIDS, BASES, REDUCING AGENTS OR ALCOHOLS.
Stability Condition to Avoid:MAY DECOMPOSE ON EXPOSURE TO MOIST AIR OR
    WATER.
Hazardous Decomposition Products:TOXIC FUMES OF CARBON MONOXIDE &
    CARBON DIOXIDE.

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

Waste Disposal Methods:THIS COMBUSTIBLE MATERIAL MAY BE BURNED IN A
    CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER & SCRUBBER. OBSERVE
    ALL FEDERAL, STATE & LOCAL LAWS.

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 disclaims all liability for its use.  Any person utilizing this
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