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

MSDS NAME:TWEEN 20, 274348
NIIN:00N092219
Status Code:A
MSDS Number: CJQRQ
=== Responsible Party ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Info Phone Num:414-273-3850
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company: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  =============

Name:TWEEN 20. LD50:(ORAL,RAT) 36,700 UL/KG.
CAS:9005-64-5
RTECS #:TR7400000

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

LD50 LC50 Mixture:SEE INGREDIENT & TOXICOLOGICAL INFO.
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 HARMFUL BY INHALATION,
    INGESTION OR SKIN ABSORPTION. MAY CAUSE IRRITATION. TO THE BEST OF
    MFR'S KNOWLEDGE, THE CHEMICAL, PHYSICAL AND TOXICOLOGICAL
    PROPERTIES HAVE NOT BEEN THOROUGHLY IN VESTIGATED. TARGET ORGAN
    DATA: SPECIFIC DEVELOPMENTAL ABNORMALITIES (MUSCULOSKELETAL SYSTEM;
    OTHER DEVELOPMENTAL ABNORMALITIES).
Effects of Overexposure:SEE HEALTH HAZARDS.

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

Eyes: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER FOR AT
    LEAST 15 MINUTES. SKIN: IMMEDIATELY WASH WITH SOAP AND COPIOUS
    AMOUNTS OF WATER. WASH CONTAMINATED CLOTHING BEFORE REUSE.
    INHALATION: REMOV E TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. INGESTION:
    WASH OUT MOUTH WITH WATER PROVIDED PERSON IS CONSCIOUS. CALL MD.

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

Flash Point:>109.C, 228.2F
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
    APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:WEAR NIOSH APPROVED RESPIRATOR, CHEMICAL
    SAFETY GOGGLES, RUBBER BOOTS AND HEAVY RUBBER GLOVES. COVER WITH
    DRY LIME OR SODA ASH, PICK UP, KEEP IN A CLOSED CONTAINER AND HOLD
    FOR WASTE DISPOSAL. VENTILA TE AREA AND WASH SPILL SITE AFTER
    MATERIAL PICKUP IS COMPLETE.

======================	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.
    KEEP TIGHTLY CLOSED. STORE IN A COOL, DRY PLACE.

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

Respiratory Protection:NIOSH APPROVED RESPIRATOR.
Ventilation:MECHANICAL EXHAUST REQUIRED.
Protective Gloves:COMPATIBLE CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:EYE WASH & DELUGE SHOWER MEETING ANSI DESIGN
    CRITERIA .
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

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

Spec Gravity:1.095
Appearance and Odor:VISCOUS LIGHT YELLOW LIQUID.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS.
Hazardous Decomposition Products:HAZARDOUS COMBUSTION OR DECOMPOSITION
    PRODUCTS: TOXIIC FUMES OF: CARBON MONOXIDE, CARBON DIOXIDE.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

===================  Toxicological Information	===================

Toxicological Information:IRRITATION DATA: SKN-HMN 15 MG/3D-I MLK -
    85DKA8 -,127,1977. TOXICITY DATA: LD50:(ORL,RAT) 36,700 UL/KG -
    FOREAE 21,348,1956; LD50:(IPR,RAT) 3850 MG/KG - ARZNAD
    26,1581,1976; LD50:(IVN,RAT) 770 MG/KG  - ARZNAD 26,1581,1976;
    LD50:(ORL,MUS) >33 GM/KG - ARZNAD 26,1581,1976; LD50:(IPR,MUS) 2640
    MG/KG ARZNAD 26,1581,1976; LD50:(IVN,MUS) 1420 MG/KG - RPOBAR
    2,316,1970; LD50:(ORL,HAM) 18 ML/KG - FOREAE 21 ,348,1956. ONLY
    SELECTED REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES (RTECS)
    DATA IS PRESENTED HERE. SEE ACTUAL ENTRY IN RTECS FOR COMPLETE
    INFORMATION.

=====================  Ecological Information  =====================

Ecological:DATA NOT YET AVAILABLE.

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

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

===================  MSDS Transport Information  ===================

Transport Information:CONTACT ALDRICH CHEMICAL COMPANY FOR
    TRANSPORTATION INFORMATION.

 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.

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