ALDRICH CHEMICAL CO -- 1,2,4-BENZENETRICARBOXYLIC (SEE SUPP DATA)  -- 6810-00N014121
<pre>=====================  Product Identification  =====================

Product ID:1,2,4-BENZENETRICARBOXYLIC (SEE SUPP DATA)
MSDS Date:03/21/1989
FSC:6810
NIIN:00N014121
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info 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:TRIMELLITIC ANHYDRIDE
CAS:552-30-7
RTECS #:DC2050000
OSHA PEL:0.005 PPM
ACGIH TLV:C,0.004 PPM; 9394

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

LD50 LC50 Mixture:LD50:(ORAL, RAT)5600 MG/KG.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:MAY BE FATAL IF INHALED, INGESTD
    OR ABSORBED THROUGH SKIN. CAUSES SEVERE EYE IRRITATION. MAY CAUSE
    ALLERGIC RESPIRATORY REACTION. EXPOSURE CAN CAUSE ASTHMA, CHEMICAL
    PNEUMONITIS, PULMONARY EDEMA . EFFECTS MAY BE DELAYED. TARGET
    ORGANS:LUNGS, THORAX OR RESPIRATION (DYSPNAE). HARMFUL IF INHALED.
    (SEE SUPP DATA)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:BURNING SENSATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES:FLUSH W/COPIOUS AMTS OF WATER FOR AT LEAST 15 MINUTES.
    SKIN:IMMEDIATELY FLUSH W/COPIOUS AMTS OF WATER FOR 15 MINUTES WHILE
    REMOVING CONTAMINATED CLOTHING AND SHOES. WASH CONTAMINATED
    CLOTHING BEF ORE REUSE. INHAL:REMOVE TO FRESH AIR. SUPPORT
    BREATHING (GIVE O*2/ARTF RESP). CALL MD.

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

Flash Point Method:CC
Lower Limits:1%
Upper Limits:7%
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER,
    ALCOHOL OR POLYMER FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:THIS MATERIAL, LIKE MOST MATERIALS IN
    POWDER FORM, IS CAPABLE OF CREATING A DUST EXPLOSION. EMITS TOXIC
    FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. SWEEP UP, PLACE IN BAG & HOLD
    FOR WASTE DISPOSAL. VENT AREA & WASH SPILL SITE AFTER MATL PICKUP
    IS COMPLETE. WEAR SCBA, RUBBER BOOTS AND HEAVY RUBBER GLOVES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL DRY PLACE. KEEP
    TIGHTLY CLOSED. AVOID ALL CONTACT.
Other Precautions:DO NOT BREATHE DUST. AVOID CONTACT W/EYES, SKIN AND
    CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE. HIGHLY TOXIC.
    SEVERE IRRITANT.

=============  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 AND EYE
    BATH.
Work Hygienic Practices:WASH HANDS THOROUGHLY AFTER USE AND BEFORE
    EATING, DRINKING, SMOKING OR USING SANITARY FACILITIES .
Supplemental Safety and Health
MFR PART NO/TRADE NAME:ANHYDRIDE, 97% B460-0. HLTH HAZ:CAUSES SEVERE
    RESPIRATORY IRRITATION, AND MAY CAUSE RESPIRATORY SENSITIZATION IN
    SUSCEPTIBLE INDIVIDUALS. MAY CAUSE HEMOPTYSIS AND HEMOLYTIC ANEM
    IA.

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

HCC:T2
Melt/Freeze Pt:M.P/F.P Text:329F,165C
Vapor Pres:<.01 @20C
Vapor Density:6.6
Appearance and Odor:OFF-WHITE CHIPS.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, STRONG BASES.
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:DISSOLVE OR MIX MATERIAL W/COMBUSTIBLE SOLVENT
    AND BURN IN CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER AND
    SCRUBBER. DISPOSE OF I/A/W FEDERAL, STATE AND LOCAL REGULATIONS.

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