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

MSDS NAME:POTASSIUM PERSULFATE POWDER PILLOWS,20847-69
NIIN:01-434-6854
MSDS Number: CGLZB
=== Responsible Party ===
Company:HACH CO.
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010-6402
Country:US
Info Phone Num:800-227-4224
Emergency Phone Num:800-227-4224/303-623-5716;POISONCNT
CAGE:4T252
=== Contractor Identification ===
Company:HACH CO
Address:5600 LINDBERGH DR
Box:389
City:LOVELAND
State:CO
ZIP:80539
Country:US
Phone:970-669-3050/ 303-623-5716
CAGE:91224
Company:HACH COMPANY
Address:100 DAYTON RD.
Box:907
City:AMES
State:IA
ZIP:50010
Country:US
Phone:800-227-4224
CAGE:4T252

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

Name:POTASSIUM PERSULFATE
CAS:7727-21-1
RTECS #:SE0400000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:LD50 (ORAL, RAT) 802 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:EYES, SKIN, RESPIRATORY
    AND GASTROINTESTINAL TRACTS. ACUTE- EYES:CAUSES IRRITATION.
    SKIN:MAY CAUSE IRRITATION AND ALLERGIC REACTIONS. INHALATION:MAY
    CAUSE RESPIRATORY TRACT IRRITATION AN D ALLERGIC REACTIONS.
    INGESTION:MODERATELY TOXIC. MAY CAUSE ABDOMINAL PAIN, NAUSEA,
    VOMITING. CHRONIC- UNKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, PAIN, NAUSEA, VOMITING, DIARRHEA,
    TEARING, ALLERGIC REACTIONS OF SKIN AND RESPIRATORY SYSTEM
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
    DISORDERS, 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:MOVE TO FRESH
    AIR. PROVIDE CPR/OXYGEN IF NEEDED. EYES/SKIN:IMMEDIATELY FLUSH WITH
    WATER FOR 15 MINUTES. HOLD EYELIDS OPEN. CALL PHYSICIAN. ORAL:DO
    NOT IND UCE VOMITING. IF CONSCIOUS, DRINK 1-2 GLASSES OF WATER.
    SEEK IMMEDIATE MEDICAL ATTENTION. DO NOT GIVE ANYTHING BY MOUTH TO
    AN UNCONSCIOUS PERSON.

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

Flash Point:NONE
Lower Limits:NOT RELEVANT
Upper Limits:NOT RELEVANT
Extinguishing Media:WATER. USE WATER SPRAY TO COOL FIRE EXPOSED
    CONTAINERS.
Fire Fighting Procedures:AS WITH ANY FIRE, WEAR PROTECTIVE CLOTHING AND
    NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS TO AVOID
    INHALATION OF HAZARDOUS DECOMPOSTION PRODUCTS OR SMOKE
Unusual Fire/Explosion Hazard:STRONG OXIDIZER. INCREASES FLAMMABILITY
    OF COMBUSTIBLE SUBSTANCES. MAY EMIT TOXIC GAS.

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

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENTS. RECOVER AS MUCH AS
    POSSIBLE. DISSOLVE BALANCE OF SPILL IN WATER AND NEUTRALIZE WITH
    SODA ASH. FLUSH REACTED MATERIAL TO THE DRAIN WITH LARGE AMOUNT OF
    WATER, IF ALLOWED. DE CONTAMINATE AREA OF SPILL WITH ALKALI
    SOLUTION.
Neutralizing Agent:SODA ASH, LIME

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

Handling and Storage Precautions:STORE IN DRY PLACE, AWAY FROM
    INCOMPATIBLE MATERIALS. USE UNDER THE HOOD.
Other Precautions:STRONG EYE IRRITANT. USE WITH ADEQUATE VENTILATION.
    DO NOT GET IN EYES. DO NOT GENERATE DUST. DO NOT BREATHE DUST, MIST
    OR FUMES. KEEP OUT OF REACH OF CHILDREN. WASH THOROUGHLY AFTER
    HANDLING. CAUTION ! EMPTY CONTAINER RETAINS RESIDUE.

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

Respiratory Protection:IF ENGINEERING CONTROLS DO NOT MAINTAIN AIRBORNE
    CONCENTRATIONS TO AN ACCEPTABLE LEVEL, A NIOSH-APPROVED DUST
    RESPIRATOR MUST BE WORN.
Ventilation:GOOD GENERAL VENTILATION IS SUFFICIENT FOR MOST CONDITIONS
    (10 ROOM VOLUMES PER HOUR).
Protective Gloves:RUBBER
Eye Protection:SAFETY GLASSES WITH SIDE SHIELDS/GOGGLES
Other Protective Equipment:EYE BATH, WASHING FACILITIES, SAFETY SHOWER
    AND IMPERVIOUS CLOTHING
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
    RECOMMENDED PROCEDURES. WASH THOROUGHLY BEFORE EATING,
    DRINKING/SMOKING.
Supplemental Safety and Health

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

HCC:D1
NRC/State Lic Num:NOT RELEVANT
Melt/Freeze Pt:M.P/F.P Text:DECOMPOSES
Decomp Temp:Decomp Text:<212F,<100C
Spec Gravity:2.477
pH:4.1 5%
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:NOT RELEVANT
Solubility in Water:SOLUBLE
Appearance and Odor:WHITE POWDER - ODORLESS

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

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, COMBUSTIBLES, ORGANIC MATERIALS
Stability Condition to Avoid:HEATING TO DECOMPOSITION, EXCESS MOISTURE
Hazardous Decomposition Products:SULFUR DIOXIDE

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

Waste Disposal Methods:DISCHARGE, TREATMENT OR DISPOSAL IS SUBJECT TO
    LOCAL, STATE AND FEDERAL REGULATIONS. NEUTRALIZED SOLUTION MAY BE
    FLUSHED INTO DRAIN WITH LARGE AMOUNT OF WATER, IF ALLOWED.

 ======================================================================
 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 ***