=====================  Product Identification  =====================

MSDS NAME:2-MERCAPTOETHANOL, 63700
NIIN:00N069756
MSDS Number: CBKTQ
=== Responsible Party ===
Company:SIGMA CHEMICAL CO
Box:14508
City:ST LOUIS
State:MO
ZIP:63178
Country:US
Info Phone Num:800-325-3010
Emergency Phone Num:314-771-5765
CAGE:21076
=== Contractor Identification ===
Company: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  =============

Name:ETHANOL, 2-MERCAPTO-; (2-MERCAPTOETHANOL)
CAS:60-24-2
RTECS #:KL5600000
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:LD50(ORAL,RAT):244 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:MAY BE FATAL IF INHALED OR
    ABSORBED THROUGH THE SKIN. HARMFUL IF SWALLOWED. CAUSES SEVERE
    IRRITATION. HIGH CONCENTRATIONS ARE EXTREMELY DESTRUCTIVE TO
    TISSUES OF MUC MEMBS & UPPER RESP TRACT, EY ES & SKIN. SYMPS OF
    EXPOS MAY INCLUDE BURNING SENSATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZS:OF BRTH, HDCH, NAUS & VOMIT. PRLNGD
    EXPOS CAN CAUSE:CNS STIMULATION. TARGET ORGAN
    DATA:BEHAVIORAL:TREMOR, CONVLS/EFT ON SEIZURE THRESHOLD,
    EXCITEMENT, MUSCLE CONTRACTION/SPASTICITY. LUNGS, T HORAX/RESP:RESP
    DEPRESS. GI:CHANGES IN STRUCTURE/FUNCTION OF SALIVARY GLANDS. ONLY
    (SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INCASE OF ACCIDENT/IF YOU FEEL UNWELL, SEEK MED ADVICE IMMED
    (SHOW LBL WHERE POSS). EYES:FLUSH IMMED W/COPIOUS AMTS OF WATER FOR
    @ LST 15 MIN. ASSURE ADEQ FLUSHING BY SEPARATING LIDS W/FINGERS.
    SKIN:I MMED FLUSH W/COPIOUS AMTS OF WATER FOR @ LST 15 MIN WHILE
    REMOVING CONTAM CLTHG & SHOES. WASH CONTAM CLTHG BEFORE REUSE.
    INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF RESP. IF BRTHG IS
    (SUPP DATA)

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

Flash Point:165F,74C
Lower Limits:2.3%
Upper Limits:18%
Extinguishing Media:CARBON DIOXIDE, DRY CHEMICAL POWDER OR APPROPRIATE
    FOAM. WATER SPRAY.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT . CAUTION:COMBUSTIBLE.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH/MSHA APPROVED SCBA,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER WITH AN ACTIVATED CARBON
    ABSORBENT, TAKE UP AND PLACE IN CLOSED CONTAINERS. TRANSPORT
    OUTDOORS. VENT AREA & WASH	SPILL SITE AFTER MATL PICKUP IS
    COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT BREATHE VAPOR. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    READILY ABSORBED THROUGH SKIN. HIGHLY TOXIC.
Other Precautions:SEVERE IRRITANT. KEEP TIGHTLY CLOSED. STENCH. KEEP
    AWAY FROM HEAT AND OPEN FLAME. STORE IN A COOL, DRY PLACE.
    2-MERCAPTOETHANOL SHOULD BE STORED IN GLASS LINED OR POLYETHYLENE
    LINED CONTAINERS TO AVOI D CONTAMINATION BY METALS.

=============  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:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:ANSI APPROVED EMERGENCY EYE WASH AND DELUGE
    SHOWER  AND OTHER PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
EFTS OF OVEREXP:SELECTED REGISTRY OF TOX EFTS OF CHEM SUBSTANCES
    (RTECS) DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR
    COMPLETE INFO. FIRST AID PROC:DFCLT, GIVE OXYG. INGEST:WASH OUT
    MOUTH W/W ATER PROVIDED PERSON IS CONSCIOUS. CALLMD. EYE PROT:AND
    FULL LENGTH FACE SHIELD .

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

Boiling Pt:B.P. Text:315F,157C
Vapor Pres:1 @ 20C
Vapor Density:2.69
Spec Gravity:1.114
Appearance and Odor:COLORLESS LIQUID.

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

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, MOISTURE.
Stability Condition to Avoid:AVOID CONTACT WITH METALS.
Hazardous Decomposition Products:TOXIC FUMES OF:SULFUR OXIDES, 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.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.

*** END OF RECORD ***