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

MSDS NAME:SENTRY, (CALCIUM HYPOCHLORITE)
NIIN:00-255-0471
MSDS Number: BDPCH
=== Responsible Party ===
Company:PENWALT CORPORAION
Address:THREE PARKWAY
City:PHILADELPHIA
State:PA
ZIP:19102
Country:US
Info Phone Num:215-587-7695
Emergency Phone Num:215-587-7695
CAGE:KO883
=== Contractor Identification ===
Company:ELF ATOCHEM NORTH AMERICA INC
Address:2000 MARKET STREET
Box:City:PHILADELPHIA
State:PA
ZIP:19103-3222
Country:US
Phone:800-245-5858
CAGE:86460
Company:PENWALT CORPORAION
Address:THREE PARKWAY
Box:City:PHILADELPHIA
State:PA
ZIP:19102
Country:US
Phone:215-587-7695
CAGE:KO883

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

Name:CALCIUM HYPOCHLORITE  (SARA III)
CAS:7778-54-3
RTECS #:NH3485000
Fraction by Wt: 65%
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

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

Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Explanation of Carcinogenicity:NONE OF THE INGREDIENTS IN THIS PRODUCT
    ARE LISTED AS A CARCINOGEN BY NTP, IARC, OR OSHA.
Effects of Overexposure:EYES AND SKIN: CORROSIVE, UNWASHED: SEVERE,
    IRREVERSIBLE. WASHED: (IMMEDIATELY, THOROUGHLY) SEVERE BUT
    REVERSIBLE.

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

First Aid:SKIN: IMMEDIATELY FLUSH WITH SOAP AND WATER AND GET MEDICAL
    ATTENTION. EYES: FLUSH IMMEDIATELY WITH PLENTY OF WATER AT LEAST 15
    MINUTES. GET MEDICAL ATTENTION. INGESTION: DO NOT INDUCE VOMITING.
    DRINK  A LARGE QUANTITY OF MILK, EGG WHITES, GELATIN SOLUTION, OR
    WATER. AVOID ALCOHOL. GET MEDICAL ATTENTION.

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

Flash Point:DOES NOT BURN
Extinguishing Media:WILL SUPPORT COMBUSTION. DRENCH WITH LARGE AMOUNT
    OF WATER.
Fire Fighting Procedures:NIOSH/MSHA APPROVED BREATHING EQUIPMENT. COOL
    AREA NEAR FIRE WITH SPRAY.
Unusual Fire/Explosion Hazard:RELEASES CHLORINE GAS WHEN IT DECOMPOSES
    ABOVE 356F. MAY SUPPORT COMBUSTION IF CONTAMINATED.

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

Spill Release Procedures:FLUSH IMMEDIATELY WITH PLENTY OF WATER. THIS
    PRODUCT IS TOXIC TO FISH. TREATED EFFLUENT SHOULD NOT BE DISCHARGED
    WHERE IT WILL DRAIN INTO LAKES, STREAMS, PONDS, OR PUBLIC WATER.

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

Handling and Storage Precautions:WASH THOROUGHLY AFTER HANDLING. DO NOT
    STORE NEAR COMBUSTIBLES. STORE IN TIGHTLY CLOSED CONTAINERS. KEEP
    FROM ALL IGNITION SOURCES.
Other Precautions:DO NOT GET IN EYES, ON SKIN OR CLOTHING. KEEP FROM
    CONTACT WITH CLOTHING AND OTHER COMBUSTIBLE CONTAINERS. DO NOT
    BREATHE DUST. EMPTY CONTAINER MAY CONTAIN HAZARDOUS RESIDUES.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATORY PROTECTION MAY
    BE DESIRABLE. (SEE SUPP DATA)
Ventilation:USE WITH ADEQUATE VENTILATION
Protective Gloves:YES
Eye Protection:GOGGLES
Other Protective Equipment:APRON. USE CLEAN, UNCONTAMINATED CLOTHING.
    LAUNDER FREQUENTLY.
Supplemental Safety and Health
MANUFACTURER RECOMMENDS IF STRONG CHLORINE ODOR IS PRESENT, USE
    NIOSH/MSHA APPROVED CARTRIDGE GAS MASK SPECIFIC FOR CHLORINE
    VAPORS.

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

HCC:D1
Decomp Temp:Decomp Text:350F,177C
Solubility in Water:APPRECIABLE
Appearance and Odor:OFF-WHITE, FREE FLOWING GRANULAR MATERIAL. CHLORINE
    ODOR.
Percent Volatiles by Volume:0

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

Stability Indicator/Materials to Avoid:NO
STRONG ACIDS, ORGANIC COMPOUNDS, AMMONIA SALTS, ACIDS
Stability Condition to Avoid:TEMPERATURES ABOVE 350F. AVOID THERMAL
    DECOMPOSITION. KEEP DRY.
Hazardous Decomposition Products:RELEASES CHLORINE GAS WHEN
    DECOMPOSING.

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

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL FEDERAL,
    STATE, AND LOCAL 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 ***