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

MSDS NAME:VERSENE 220 CRYSTALS CHELATING AGENT,90692
NIIN:01-109-3911
MSDS Number: BGMFW
=== Responsible Party ===
Company:DOW CHEMICAL U S A
Address:2030 DOW CENTER BARSTOW BLDG
City:MIDLAND
State:MI
ZIP:48674
Country:US
Info Phone Num:517-636-4410
Emergency Phone Num:517-636-4400
CAGE:71983
=== Contractor Identification ===
Company:DOW CHEMICAL U.S.A.
City:MIDLAND
State:MI
ZIP:48674
Country:US
Phone:517-636-4400
CAGE:71983
Company:ENVIROTROL INC (504-736-9041)
Box:UNKNOW
CAGE:03JX8

=============  Composition/Information on Ingredients  =============

Name:TETRASODIUM ETHYLENE DIAMINE TETRAACETATE
CAS:64-02-8
RTECS #:AH5075000
Fraction by Wt: 99.9%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:LD50 (ORAL FEMALE RAT) 630-1260 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:TARGET ORGANS:EYE, RESPIRATORY & GI
    TRACTS. ACUTE- MAY CAUSE EYE IRRITATION & PAIN. ESSENTIALLY
    NONIRRITATING TO SKIN. SINGLE DOSE ORAL TOXICITY IS LOW. DUST MAY
    IRRITATE RESPIRATORY TRACT. CHRONIC- U NKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING EYE
    PROBLEMS OR IMPAIRED RESPIRATORY FUNCTION MAY BE MORE SUSCEPTIBLE
    TO THE EFFECTS OF THIS PRODUCT.

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

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST. INHALED:REMOVE TO FRESH
    AIR. EYES:FLUSH WITH WATER FOR 15 MINUTES, HOLDING EYELIDS OPEN.
    SKIN:WASH WITH SOAP & WATER. ORAL:SEEK MEDICAL ATTENTION IF NEEDED.

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

Flash Point:NONE
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, FOAM OR DRY CHEMICAL
    FOR SURROUNDING FIRE. USE WATER SPRAY TO COOL FIRE EXPOSED
    CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:AS WITH ANY FINELY DIVIDED ORGANIC SOLID,
    DUST MAY BE EXPLOSIVE IF MIXED WITH AIR IN CRITICAL PROPORTIONS &
    IN THE PRESENCE OF AN IGNITION SOURCE.

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

Spill Release Procedures:SWEEP UP SPILLAGE. AVOID CREATING DUST. PLACE
    SPILLAGE IN APPROPRIATE CONTAINER FOR LATER DISPOSAL. VENTILATE
    AREA AND WASH SPILL SITE WITH WATER.
Neutralizing Agent:NOT RELEVANT

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

Handling and Storage Precautions:STORE IN DRY PLACE AWAY FROM MOISTURE.
    KEEP CONTAINER TIGHTLY CLOSED.
Other Precautions:DO NOT RAISE DUST. AVOID CONTACT WITH EYES, SKIN OR
    CLOTHING. AVOID INHALATION OF DUST. WASH THOROUGHLY AFTER HANDLING
    MATERIAL. KEEP OUT OF REACH OF SMALL CHILDREN. DO NOT INGEST.

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

Respiratory Protection:NONE NORMALLY REQUIRED. IF AIRBORNE
    CONCENTRATION IS HIGH, WEAR A NIOSH-APPROVED DUST RESPIRATOR OR
    DUST MASK.
Ventilation:GOOD GENERAL VENTILATION IS SUFFICIENT FOR MOST CONDITIONS
    (10 ROOM VOLUMES PER HOUR).
Protective Gloves:NONE NORMALLY REQUIRED.
Eye Protection:SAFETY GLASSES
Other Protective Equipment:EYE WASH STATION, SAFETY SHOWER, PROTECTIVE
    CLOTHING AND/OR UNIFORM
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES.
Supplemental Safety and Health
THE PH RANGE OF 1% SOLUTION: 10.5 - 11.5.

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

HCC:B3
NRC/State Lic Num:NOT RELEVANT
pH:11.5
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:NOT RELEVANT
Solubility in Water:103% @ 77F (25C)
Appearance and Odor:WHITE SOLID

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

Stability Indicator/Materials to Avoid:YES
ALUMINUM
Stability Condition to Avoid:DUSTY SITUATION, MOISTURE
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE MAY BE
    FORMED.

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

Waste Disposal Methods:ENSURE COMPLIANCE WITH ALL LOCAL, STATE AND
    FEDERAL 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 ***