ALDRICH CHEMICAL CO INC -- PROPIONIC ANHYDRIDE, 99+%, 24031-1  -- 6810-00N074542
<pre>=====================  Product Identification  =====================

Product ID:PROPIONIC ANHYDRIDE, 99+%, 24031-1
MSDS Date:06/13/1996
FSC:6810
NIIN:00N074542
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO INC
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850
Emergency Phone Num:414-273-3850
CAGE:60928
=== 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

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

Ingred Name:PROPIONIC ANHYDRIDE (CERCLA)   LD50: (ORAL, RAT) 2360 MG/KG
CAS:123-62-6
RTECS #:UF9100000
Fraction by Wt: 99%+
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:SEE INGREDIENT 1
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 AND UPPER RESPIRATORY TRACT, EYES
    AND SKIN. INHALATION MAY BE FATAL A S A RESULT OF SPASM,
    INFLAMMATION AND EDEMA OF THE LARYNX AND BRONCHI, CHEMICAL
    PNEUMONITIS AND (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: PULMONARY EDEMA. SYMPTOMS OF EXPOSURE
    MAY INCLUDE BURNING SENSATION, COUGHING, WHEEZING, LARYNGITIS,
    SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING. TO THE BEST OF
    MANUFACTURER'S KNOWLED GE, THE CHEMICAL, PHYSICAL AND TOXICOLOGICAL
    PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES: IMMED FLUSH EYES W/COPIOUS AMTS OF WATER FOR AT LEAST
    15 MIN. ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS W/FINGERS. SKIN:
    IMMED FLUSH SKIN W/COPIOUS AMTS OF WATER FOR AT LEAST 15 MIN WHILE
    REMOV ING CONTAMD CLTHG & SHOES. INHAL: REMOVE TO FRESH AIR. IF NOT
    BRTHG GIVE ARTIFICIAL RESPIRATION. IF BRTHG IS DFCLT, GIVE OXYGEN.
    INGEST: IF SWALLOWED, WASH OUT MOUTH W/WATER PROVIDED PERSON
    (SUPDAT)

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

Flash Point:165F,74C
Lower Limits:1.48%
Upper Limits:11.9%
Extinguishing Media:WATER SPRAY. CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT . COMBUSTIBLE.
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPROVED
    SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS & HEAVY RUBBER
    GLOVES. ABSORB ON SAND OR VERMICULITE & PLACE IN CLOSED CONTAINERS
    FOR DISPOSAL. VENTILATE AREA & WAS H SPILL SITE AFTER MATERIAL
    PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

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

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

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:RUBBER GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS (SUPDAT)
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    WEAR SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRST AID PROC: IS CONSCIOUS. CALL MD. WASH CONTAMD CLTHG BEFORE REUSE.
    EYE PROT: & FULL LENGTH FACESHIELD .

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

Boiling Pt:B.P. Text:333F,167C
Melt/Freeze Pt:M.P/F.P Text:-45F,-43C
Vapor Pres:10 @ 57.7C
Vapor Density:4.5
Spec Gravity:1.015
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, ACIDS, BASES, REDUCING AGENTS, 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 WITH AN AFTERBURNER AND SCRUBBER.
    OBSERVE ALL FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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