ALDRICH CHEMICAL COMPANY -- CATECHOL, 99+% 13501-1  -- 6810-00N014234
<pre>=====================  Product Identification  =====================

Product ID:CATECHOL, 99+% 13501-1
MSDS Date:02/09/1989
FSC:6810
NIIN:00N014234
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL COMPANY
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:CATECHOL (PYROCATECHOL)  (SARA III)
CAS:120-80-9
RTECS #:UX1050000
OSHA PEL:S, 5 PPM; 9293
ACGIH TLV:S, 5 PPM
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

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

LD50 LC50 Mixture:SEE SUPP DATA
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF SWALLOWED, INHALED,
    OR ABSORBED THRU SKIN. MATL IS EXTREMELY DESTRUCTIVE TO TISS OF MUC
    MEMB AND UPPER RESP TRACT, EYES AND SKIN. INHAL MAY BE FATAL AS A
    RESULT OF SPASM, INFLAM AND  EDEMA OF THE LARYNX AND BRONCHI, CHEM
    PNEUM AND PULMONARY EDEMA. MAY CAUSE CONVULSIONS.
Explanation of Carcinogenicity:IARC - GP 3.
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 & SKIN: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND
    SHOES. ASSURE ADEQUATE FLUSHING OF EYES BY SEPARATING LIDS WITH
    FINGERS. I NHAL: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE
    ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    CALL MD. INGEST: CALL MD IMMEDIATELY .

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

Flash Point Method:CC
Flash Point:279F,137C
Lower Limits:1.97%
Extinguishing Media:WATER SPRAY. CO2, DRY CHEMICAL POWDER, ALCOHOL OR
    POLYMER FOAM.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND PROTECTIVE
    CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:NOT APPLICABLE.

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

Spill Release Procedures:WEAR NIOSH/MSHA APPRVD SCBA, RUBBER BOOTS AND
    HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE
    DISPOSAL. AVOID RAISING DUST. VENT AREA AND WASH SPILL SITE AFTER
    MATERIAL PICKUP IS COMP LETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. KEEP TIGHTLY
    CLOSED. AIR AND LIGHT SENSITIVE. STORE IN A COOL DRY PLACE.
Other Precautions:DO NOT GET IN EYES, ON SKIN OR CLOTHING. AVOID
    PROLONGED OR REPEATED EXPOSURE. READILY ABSORBED THROUGH SKIN.
    CORROSIVE. TOXIC.

=============  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:CHEM WORK GOGGLES, FACESHLD OPTL .
Other Protective Equipment:SAFETY SHOWER AND EYE BATH, FACESHIELD
    (8-INCH MINIMUM) & OTHER PROTECTIVE EQUIPMENT.
Work Hygienic Practices:WASH THOROUGHLY AFTER USE AND BEFORE EATING,
    DRINKING, SMOKING OR USING SANITARY FACILITIES .
Supplemental Safety and Health
LD50-LC50 MIX: LD50:(ORAL,RAT) 260 MG/KG, (ORAL,MUS) 260 MG/KG,
    (IPR,MUS) 175 MG/KG, (SCU,MUS) 247 MG/KG, (SKN,RBT) 800 MG/KG,
    (ORAL,GPG) 210 MG/KG, (ORAL,MAM) 240 MG/KG.

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

HCC:C1
Boiling Pt:B.P. Text:473F,245C
Melt/Freeze Pt:M.P/F.P Text:219F,104C
Vapor Pres:1.0 @ 75C
Vapor Density:3.8
Appearance and Odor:NONE SPECIFIED BY MANUFACTURER.

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

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES, ACID ANHYDRIDES, BASES AND OXIDIZING AGENTS.
Stability Condition to Avoid:LIGHT SENSITIVE. MAY DISCOLOR ON EXPOSURE
    TO AIR.
Hazardous Decomposition Products:TOXIC FUMES OF: CO & CO2.

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

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL WITH A COMBUSTIBLE
    SOLVENT AND BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
    AFTERBURNER AND SCRUBBER. OBSERVE ALL FEDERAL, STATE AND LOCAL
    LAWS.

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