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

MSDS NAME:CAUSTIC SODA-DIAPHRAGM NO2 FLAKE
NIIN:00N083534
MSDS Number: CGQXM
=== Responsible Party ===
Company:COMSTAR INTERNATIONAL INC
City:COLLEGE POINT
State:NY
ZIP:11968
Country:US
Info Phone Num:716-275-7021
Emergency Phone Num:716-275-7021
CAGE:JO333
=== Contractor Identification ===
Company:COMSTAR INTERNATIONAL INC
Address:20-45 128TH STREET
Box:City:COLLEGE POINT
State:NY
ZIP:11356
Country:US
Phone:800-328-0142
CAGE:5X558
Company:COMSTAR INTERNATIONAL INC
Address:20-45 128TH STREET
Box:City:COLLEGE POINT
State:NY
ZIP:11356
Country:US
Phone:800-263-9502
CAGE:JO333

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

Name:SODIUM HYDROXIDE (CERCLA)
CAS:1310-73-2
RTECS #:WB4900000
Fraction by Wt: 97.40%
OSHA PEL:2 MG/M3
ACGIH TLV:C 2 MG/M3
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

Name:EFTS OF OVEREXP:TIME. PRLNG CONT W/EVEN DILUTE SODIUM
    HYDROXIDE SOLN CAN CAUSE HIGH DEGREE OF TISS DESTRUCTION. (ING 3)
RTECS #:9999999ZZ

Name:ING 2:LATENT PERIOD, FOLLOWING SKIN CONT DURING WHICH NO
    SENSATION/IRRIT OCCURS, VARIES FROM SEVERAL HRS FOR (ING 4)
RTECS #:9999999ZZ

Name:ING 3:0.4-4% SOLUTIONS TO 3 MINUTES WITH 25-30% SOLUTIONS.
RTECS #:9999999ZZ

Name:FIRST AID PROC:INHAL:REMOVE TO FRESH AIR. IF BRTHG IS
    DFCLT, HAVE TRAINED PERS ADMIN OXYGEN. IF RESP STOPS, GIVE (ING 6)
RTECS #:9999999ZZ

Name:ING 5:MOUTH-TO-MOUTH RESUSCITATION. GET MED ATTN.
    INGEST:NEVER GIVE ANYTHING BY MOUTH TO AN UNCON PERS. DO NOT (ING
    7)
RTECS #:9999999ZZ

Name:ING 6:INDUCE VOMIT. GIVE LGE QTYS OF WATER. IF AVAIL, GIVE
    SEVERAL GLASSES OF MILK. IF VOMIT OCCURS SPONT, (ING 8)
RTECS #:9999999ZZ

Name:ING 7:KEEP AIRWAY CLEAR. SEEK MEDICAL ATTENTION
    IMMEDIATELY.
RTECS #:9999999ZZ

Name:SPILL PROC:PHOSPHORIC/ACETIC ACID.) FLUSH SPILL AREA
    W/WATER FOLLOWED BY LIBERAL COVERING OF SODIUM BICARBONATE.(ING 10)
RTECS #:9999999ZZ

Name:ING 9:REMOVE ALL CLEAN-UP MATL & PLACE IN APPRVD CONTRS,
    LABELED & STORED IN SAFE PLACE FOR PROPER TREATMENT OR (ING 11)
RTECS #:9999999ZZ

Name:ING 10:DISP. SPILLS ON AREAS OTHER THAN PAVEMENT
    (DIRT/SAND), MAY BE HANDLED BY REMOVING AFFECTED SOILDS, & (ING 12)
RTECS #:9999999ZZ

Name:ING 11:PLACING IN APPRVD CONTRS. PERS PERFORMING CLEAN-UP
    WORK SHOULD WEAR ADEQ PERS PROT EQUIP & CLTHG. SPILLS (ING 13)
RTECS #:9999999ZZ

Name:ING 12:OR RELEASES SHOULD BE REPORTED, IF REQUIRED, TO
    APPROPRIATE LOCAL, STATE & FEDERAL REGULATORY AGENCIES. (ING 14)
RTECS #:9999999ZZ

Name:ING 13:CAUTION:CAUSTIC SODA MAY REACT VIOLENTLY WITH ACID
    WATER WATER.
RTECS #:9999999ZZ

Name:OTHER PREC:CONSIDERABLE HEAT IS GENERATED WHEN PROD IS
    MIXED W/WATER. THEREFORE, WHEN MAKING SOLNS ALWAYS (ING 16)
RTECS #:9999999ZZ

Name:ING 15:CAREFULLY FOLLOW THESE STEPS:ALWAYS WEAR ALL PROT
    CLTHG DESCRIBED. NEVER ADD WATER TO PROD. ALWAYS ADD (ING 17)
RTECS #:9999999ZZ

Name:ING 16:PROD-W/CONSTANT STIRRING-SLOWLY TO SURF OF LUKEWARM
    (60-100F) WATER TO ASSURE PROD IS BEING COMPLETELY (ING 18)
RTECS #:9999999ZZ

Name:ING 17:DISSOLVED AS IT IS ADDED. IF PROD IS ADDED TOO
    RAPIDLY OR W/OUT STIRRING, & BECOMES CONCENTRATED AT (ING 19)
RTECS #:9999999ZZ

Name:ING 18:BOTTOM OF MIXING VESSEL, EXCESS HEAT MAY BE
    GENERATED, RSLTG IN DANGEROUS BOILING & SPATTERING, & POSS (ING 20)
RTECS #:9999999ZZ

Name:ING 19:IMMED & VIOLENT ERUPTION OF HIGHLY CAUSTIC SOLN.
    NOTE:50 LBS OF PROD DISSOLVED IN 30 GALS OF 90F WATER (ING 21)
RTECS #:9999999ZZ

Name:ING 20:WILL RAISE TEMP OF RSLTG SOLN TO APPROX 180F. NEVER
    ADD MORE PROD THAN CAN BE ABSORBED BY SOLN WHILE (ING 22)
RTECS #:9999999ZZ

Name:ING 21:MAINTAINING TEMP <200F (@ SEA LEVEL) TO PVNT BOILING
    & SPATTERING. PROD CAN REACT EXPLO W/ACIDS, (ING 23)
RTECS #:9999999ZZ

Name:ING 22:ALDEHYDES, & MANY OTHER ORG CHEMS-WHEN MIXING PROD
    W/SOLNS CONTAINING SUCH CHEMS, FOLLOW ALL OF ABOVE (ING 24)
RTECS #:9999999ZZ

Name:ING 23:MIXING INSTRUCTIONS, & ADD PROD VERY GRADUALLY,
    WHILE STIRRING CONSTANTLY. ALWAYS EMPTY & CLEAN CONTRS (ING 25)
RTECS #:9999999ZZ

Name:ING 24:OF ALL RESIDUE BEFORE ADDING PROD, TO AVOID POSS
    EXPLO RXN BETWEEN PROD & RESIDUE. CONT NEHC FOR MORE INFO.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:LD50 (ORAL RAT): 140-340 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:INHAL:AIRBORNE CONCS OF DUST,
    MIST/SPRAY MAY CAUSE DMG TO UPPER RESP TRACT & LUNG TISS WHICH
    COULD PRDCE CHEM PNEUM DEPENDING UPON SEVERITY OF EXPOS.
    SKIN:DESTRUCTIVE TO TISS CONTACTED & PRDCES  SEV BURNS. LATENT
    PERIOD MAY EXIST BETWEEN EXPOS & SENSE OF IRRIT. EYES:DESTRUCTIVE
    TO TISS ON CONT. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:WILL CAUSE SEV BURNS THAT RSLT IN DMG
    TO EYES & EVEN BLINDNESS. INGEST:CAN CAUSE SEV BURNS & COMPLETE
    TISS PERFORATION OF MUC MEMB OF MOUTH, THROAT, ESOPHAGUS & STOM.
    CHRONIC:NO KNOWN EFTS. H UMAN DERMAL EXPOS:REGARDLESS OF CONC,
    SEVERITY OF DMG & EXTENT OF ITS IRREVERSIBILITY INCREASES W/LENGTH
    OF CONT (ING 2)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

Eyes:IMMED FLUSH W/LGE AMTS OF WATER FOR AT LEAST 15 MIN,
    HODLING EYELIDS APART TO ENSURE FLUSHING OF ENTIRE SURF. WASHING
    EYES W/IN SEVERAL SECONDS IS ESSENTIAL TO ACHIEVE MAX
    EFFECTIVENESS. SEEK MED  ATTN IMMED. SKIN:IMMED WASH W/PLENTY OF
    WATER FOR AT LEAST 15 MIN. REMOVE CONTAM CLTHG & FOOTWEAR & WASH
    CLTHG BEFORE REUSE. DISCARD FOOTWEAR WHICH CANNOT BE DECONTAM. SEEK
    MED ATTN IMMED. (ING 5)

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

Extinguishing Media:NOT COMBUSTIBLE. WATER SPRAY, FOAM, CARBON DIOXIDE
    OR DRY CHEMICAL MAY BE USED IN AREAS WHERE THE PRODUCT IS STORED.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:STOP LEAKS. CONTAIN SPILL & CLEAN UP IMMED.
    REMOVE LIQ SPILLS USING VACUUM TRUCK. SCOOP UP SOLID SPILLS & PLACE
    IN APPRVD CONTRS FOR DISP. (NEUT REMAINING TRACES OF MATL W/ANY
    DILUTE INORG ACID SUCH A S HYDROCHLORIC, SULFURIC, NITRIC, (ING 9)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:DO NOT GET IN EYES, ON SKIN/ON
    CLOTHING. AVOID BREATHING DUST, MISTS/SPRAY. DO NOT TAKE
    INTERNALLY. USE W/ADEQUATE VENTILATION. KEEP CONTAINER CLOSED.
Other Precautions:HAZ CARBON MONOXIDE GAS CAN FORM UPON CONT W/FOOD &
    BEVERAGE PRODS IN ENCLSD SPACES & CAN CAUSE DEATH. FOLLOW APPROP
    TANK ENTRY PROC (ANSI Z-117.1-1977). SPECIAL MIXING & HNDLG
    INSTRUCTIONS: PRODUCT C AN REACT VIOLENTLY W/WATER. (ING 15)

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

Respiratory Protection:RESPIRATORY PROTECTION IS NOT REQUIRED UNDER
    NORMAL USE. USE NIOSH APPROVED RESPIRATOR WHERE DUST, MIST, OR
    SPRAY MAY BE GENERATED.
Ventilation:USE LOC EXHST VENT WHERE DUST, MIST/SPRAY MAY BE GENERATED.
    USE SPECIAL VENT WHERE CARBON MONOXIDE/OTHER RXN GENERATED.
Protective Gloves:NATURAL AND BUTYL RUBBER SUGGESTED.
Eye Protection:ANSI APPRVD CHEM WORK GOGG & (SUP DAT)
Other Protective Equipment:ANSI APPRVD EMER EYEWASH & DELUGE SHOWER .
    WEAR IMPERVIOUS PROT CLTHG & CHEMICALLY RESIST SFTY SHOES.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING OR CONTACT. WASH
    CONTAMINATED CLOTHING WITH SOAP AND WATER AND DRY BEFORE REUSE.
Supplemental Safety and Health
PH(0.01 MOLES/LITER):12.0. MATLS TO AVOID:RXN. WHEN HNDLG PROD, AVOID
    CONT W/ALUMINUM, TIN, ZINC, & ALLOYS CONTAINING THESE METALS. DO
    NOT MIX W/STRONG ACIDS W/OUT DILUTION & AGITATION TO PVNT VIOLENT
    /EXPLO RXN. AVOID CONT W/LEATHER, WOOL,ACIDS, ORG HALOGEN CMPDS, &
    ORG NITRO CMPDS. EYE PROT:FULL LENGTH FSHLD .

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

Boiling Pt:B.P. Text:2530F,1388C
Vapor Pres:42 @ 1000C
Spec Gravity:2.13 (H*2O=1)
pH:SUPDAT
Solubility in Water:COMPLETELY SOLUBLE
Appearance and Odor:CLEAR WHITE SOLID WITH NO DISTINCT ODOR

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

Stability Indicator/Materials to Avoid:YES
AVOID WATER. PROD MAY BE ADDED SLOWLY TO WATER/ACIDS W/DILUTION &
    CONSTANT STIRRING TO AVOID VIOLENT EXOTHERMIC(SUP DAT)
Stability Condition to Avoid:UNDER NORMAL CONDITIONS OF USE, THIS
    MATERIAL IS STABLE.
Hazardous Decomposition Products:NONE KNOWN.

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

Waste Disposal Methods:MATLS RSLTG FROM CLEAN-UP OPERATIONS MAY BE HAZ
    WASTE & SUBJECT TO SPECIFIC REGS. PACKAGE, STORE, TRANSPORT & DISP
    OF ALL CLEAN-UP MATLS & ANY CONTAM EQUIP I/A/W ALL APPLIC FED,
    STATE & LOC HLTH, ENVI RON REGS. CONT NEHC FOR MORE SPECIFIC INFO .

 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 ***