SIGMA CHEMICAL COMPANY -- T0501 THYMOL CRYSTALLINE  -- 6550-00F054116
<pre>=====================  Product Identification  =====================

Product ID:T0501 THYMOL CRYSTALLINE
MSDS Date:05/19/1997
FSC:6550
NIIN:00F054116
=== Responsible Party ===
Company Name:SIGMA CHEMICAL COMPANY
Address:3050 SPRUCE ST
Box:14508
City:SAINT LOUIS
State:MO
ZIP:63178-5000
Country:US
Info Phone Num:314-771-5765/800-325-3010
Emergency Phone Num:314-771-5765/800-325-3010
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:THYMOL
CAS:89-83-8
RTECS #:XP2275000

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

LD50 LC50 Mixture:ORAL LD50(RAT): 980 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:HARMFUL IF SWALLOWED/INHALED/BY SKIN
    ABSORPTION. IRRITATING TO EYES, SKIN, MUCOUS MEMBRANES/UPPER
    RESPIRATORY TRACT. DEPENDING ON INTENSITY/DURATION OF EXPOSURE,
    EFFECTS MAY VARY FROM MILD IRRITATION  TO SEVERE DESTRUCTION OF
    TISSUE. MAY CAUSE SEVERE IRRITATION, BURNS & EYE DAMAGE. MAY AFFECT
    LIVER/KIDNEYS/SPLEEN/CNS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, NERVOUS SYSTEM DISTURBANCES, BURNS

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

First Aid:EYES/SKIN: IMMEDIATELY FLUSH W/COPIOUS AMOUNTS OF WATER FOR
    15 MINS. INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
    NECESSARY. INGESTION: WASH OUT MOUTH W/WATER IF CONSCIOUS. OBTAIN
    MEDICAL ATTEN TION IN ALL CASES.

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

Flash Point:216F
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER/APPROPRIATE
    FOAM
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS &
    PROTECTIVE CLOTHING TO PREVENT CONTACT W/SKIN & EYES.

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

Spill Release Procedures:WEAR SELF CONTAINED BREATHING APPARATUS,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. SWEEP UP, PLACE IN A BAG & HOLD
    FOR WASTE DISPOSAL. AVOID RAISING DUST. VENTILATE AREA & WASH SITE
    AFTER MATERIAL PICKUP IS  COMPLETE.

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

Handling and Storage Precautions:WEAR SUITABLE PROTECTIVE CLOTHING,
    GLOVES & EYE/FACE PROTECTION. STORE IN A COOL, DRY PLACE. KEEP
    TIGHTLY CLOSED.
Other Precautions:DON'T BREATHE DUST. AVOID INHALATION. DON'T GET IN
    EYES, ON SKIN, ON CLOTHING.

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

Respiratory Protection:USE NIOSH/MSHA-APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED
Protective Gloves:RUBBER
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER, EYE BATH
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING & SHOES
    BEFORE REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Boiling Pt:B.P. Text:449.6F
Melt/Freeze Pt:M.P/F.P Text:120-123.8F
Vapor Pres:1
Spec Gravity:0.965
Appearance and Odor:WHITE CRYSTALS

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG BASES
Hazardous Decomposition Products:CO, CO2

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

Waste Disposal Methods:DISSOLVE/MIX THE MATERIAL W/A COMBUSTIBLE
    SOLVENT & BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER
    & SCRUBBER. DISPOSE OF IN ACCORDANCE W/LOCAL, STATE & FEDERAL
    REGULATIONS.

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