MALLINCKRODT BAKER INC -- SODIUM PHOSPHATE TRIBASIC, 7940 -- 6810-00N092122 
=====================  Product Identification  =====================

Product ID:SODIUM PHOSPHATE TRIBASIC, 7940
MSDS Date:12/08/1996
FSC:6810
NIIN:00N092122
Status Code:A
=== Responsible Party ===
Company Name:MALLINCKRODT BAKER INC
Address:222 RED SCHOOL LANE
City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Info Phone Num:800-582-2537
Emergency Phone Num:908-859-2151;800-424-9300
Resp. Party Other MSDS Num.:SOPHT
Chemtrec Ind/Phone:(800)424-9300
CAGE:70829
=== Contractor Identification ===
Company Name:MALLINCKRODT BAKER,  INC.
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:800-582-2537
CAGE:70829

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

Ingred Name:SODIUM PHOSPHATE, TRIBASIC. LD50: (ORAL,RAT) 7.4 G/KG.
CAS:7601-54-9
RTECS #:TC9490000
> Wt:98.
EPA Rpt Qty:5000 LBS
DOT Rpt Qty:5000 LBS

Ingred Name:SODIUM HYDROXIDE
CAS:1310-73-2
RTECS #:WB4900000
< Wt:2.5
OSHA PEL:2 MG/M3
ACGIH STEL:C2 MG/M3
EPA Rpt Qty:1000 LBS
DOT Rpt Qty:1000 LBS

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

LD50 LC50 Mixture:SEE INGREDIENT 1
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: CAUSTIC, IRRITANT DUST,
    MAY CAUSE BURNING/DISCOMFORT IN RESPIRATORY PASSAGES. COUGHING,
    SNEEZING & POSSIBLE PAIN ARE SYMPTOMS. INGEST: CAUSTIC ALKALINE
    ACTION W/POSSIBLE IRRITATION/BURNI NG OF MUCOUS MEMBRANE IN MOUTH &
    ESOPHAGUS. ABDOMINAL PAIN, STRICTURE, VOMITING & DIARRHEA MAY
    FOLLOW INGESTION OF APPRECIABLE AMOUNTS. SKIN CONT: CAUSTIC BURNS
    MAY OCCUR ON PROLONGED CONTACT W/MOIST  SKIN. REDDENING, SORENESS
    OR POSSIBLE DAMAGE TO SKIN MAY OCCUR. EYE CONT: CORROSIVE. MAY
    CAUSE IRRITATION, REDNESS, PAIN, AND EYE DAMAGE. (EFTS OF
    OVEREXPOSURE)
Effects of Overexposure:HLTH HAZS: CHRONIC: MAY SEQUESTER CALCIUM &
    CAUSE CALCIUM PHOSPHATE DEPOSITS IN THE KIDNEYS. CHRONIC INGESTION
    OR INHALATION MAY INDUCE SYSTEMIC PHOSPHOROUS POISONING. LIVER
    DAMAGE, KIDNEY DAMAGE, JAW /TOOTH ABNORMALITIES, BLOOD DISORDERS
    AND CARDIOVASCULAR EFFECTS CAN OCCUR.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISITING SKIN
    DISORDERS/EYE PROBLEMS, JAW/TOOTH ABNORMALITIES/IMPAIRED LIVER,
    KIDNEY OR RESPIRATORY FUNCTION MAY BE MORE SUSCEPTIBLE TO THE
    EFFECTS OF THE SUBSTANCE.

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

First Aid:INHAL: REMOVE TO FRESH AIR. IF NOT BRTHG, GIVE ARTF RESP. IF
    BRTHG IS DFCLT, GIVE OXYGEN. GET MED ATTN IMMED. INGEST: DO NOT
    INDUCE VOMIT. GIVE LG QTYS OF WATER. NEVER GIVE ANYTHING BY MOUTH
    TO UNCON  PERSON. GET MED ATTN IMMED. SKIN CONT: IMMED FLUSH
    W/PLENTY OF WATER FOR AT LST 15 MINS WHILE REMOVING CONTAMD CLTHG &
    SHOES. GET MED ATTN IMMED. WASH CLTHG BEFORE REUSE. THOROUGHLY
    CLEAN SHOES BEFORE	REUSE. EYE CONT: IMMED FLUSH W/PLENTY OF WATER
    FOR AT LST 15 MINS, LIFTING LOWER & UPPER EYELIDS OCCASNLY. GET MED
    ATTN IMMED. NOTE TO PHYS: PERFORM ENDOSCOPY (SUPDAT)

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

Extinguishing Media:NOT CONSIDERED TO BE FIRE HAZARD. USE ANY MEANS
    SUITABLE FOR EXTINGUISHING SURROUNDING FIRE. ADDING WATER TO
    CAUSTIC SOLUTION GENERATES LARGE AMOUNTS OF HEAT.
Fire Fighting Procedures:IN EVENT OF A FIRE, WEAR FULL PROTECTIVE
    CLOTHING AND NIOSH-APPROVED SELF-CONTAINED BREATHING APPARATUS WITH
    FULL FACEPIECE OPERATED IN THE PRESSURE DEMAND OR OTHER POSITIVE
    PRESSURE MODE.
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE AN EXPLOSION HAZARD.
    AIRBORNE EXPOS LIMITS: SODIUM HYDROXIDE: OSHA PEL: 2MG/M3
    CEILING-ACGIH THRESHOLD LIMIT VALUE (TLV): 2 MG/M3 CEILING
    TRISODIUM PHOSPHATE: -AIHA WORKPLACE ENVI RONMENTAL EXPOSURE LIMIT:
    5 MG/M3(15-MINUTE STEL).

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

Spill Release Procedures:VENTILATE AREA OF LEAK/SPILL. KEEP UNNEC &
    UNPROTECTED PEOPLE AWAY FROM AREA OF SPILL. WEAR APPROP PERSONAL
    PROT EQUIP AS SPECIFIED IN SECTION 8 EXPOS CTLS/PERSONAL PROT. DO
    NOT FLUSH CAUSTIC RESIDUES	TO SEWER. RESIDUES FROM SPILLS CAN BE
    DILUTED W/WATER. ABSORB NEUTRALIZED CAUSTIC RESIDUE ON CLAY,
    VERMICULITE/OTHER INERT SUBSTANCE & PACKAGE IN SUITABLE CNTNR FOR
    DISP. USE REGS  (OTHER INFO)
Neutralizing Agent:NEUTRALIZE W/DILUTE ACID SUCH AS ACETIC,
    HYDROCHLORIC OR SULFURIC.

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

Handling and Storage Precautions:KEEP IN TIGHTLY CLSD CNTNR. PROTECT
    FROM PHYSICAL DMG. STORE IN COOL, DRY, VENTILATED AREA AWAY FROM
    SOURCES OF HEAT, MOISTURE & INCOMPATIBILITIES. ALWAYS ADD CAUSTIC
    TO WATER WHILE STIRRING; NEVER RE VERSE.
Other Precautions:CNTNRS OF THIS MATL MAY BE HAZARDOUS WHEN EMPTY SINCE
    THEY RETAIN PROD RESIDUES (DUST, SOLIDS); OBSERVE ALL WARNINGS &
    PRECAUTIONS LISTED FOR PRODUCT. DO NOT GET IN EYES, ON SKIN, OR ON
    CLOTHING. DO N OT BREATHE DUST. KEEP CONTAINER CLOSED. USE ONLY
    WITH ADEQUATE VENTILATION.

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

Respiratory Protection:IF EXPOSURE LIMIT IS EXCEEDED, A NIOSH APPRVD
    FULL FACEPIECE RESP W/HIGH EFFICIENCY DUST/MIST FILTER MAY BE WORN
    UP TO 50 TIME EXPOS LIMIT/MAX USE CONC SPECIFIED BY APPROP
    REGULATORY AGENCY/RESP SUPPL IER, WHICHEVER IS LOWEST. FOR
    EMER/INSTANCES WHERE EXPOS LEVELS ARE NOT KNOWN, US NIOSH APPRVD
    FULL FACEPIECE POS-PRESS, AIR-SUPPLIED (OTHER INFO)
Ventilation:SYS OF LOC AND/OR GEN EXHST IS REC TO KEEP EMPLOYEE EXPOS
    BELOW AIRBORNE EXPOS LIMTS. LOC EXHST VENT IS GEN PREFERRED BECAUSE
    IT CAN CTL (OTHER INFO)
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGS & FULL LENGTH
    FACESHIELD .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    WEAR IMPERVIOUS PROTECTIVE CLOTHING, INCL BOOTS, GLOVES, LAB COAT,
    APRON OR COVERALLS, AS APPROP, TO PREVENT SKIN CONTACT.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
FIRST AID PROC: IN ALL CASES OF SUSPECTED SODIUM HYDROXIDE INGEST. IN
    CASES OF SEV ESOPHAGEAL CORR, USE OF THERAPEUTIC DOSES OF STEROIDS
    SHOULD BE CONSIDERED. GEN SUPPORTIVE MEASURES W/CONTINUAL MONIT
    ORING OF GAS EXCHANGE, ACID-BASE BALANCE, ELECTROYLTES, & FLUID
    INTAKE ARE ALSO REQD. PH:11.9(1% AQUEOUS SOLN).

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

Boiling Pt:=100.C, 212.F
B.P. Text:LOSES 12 H*2O(DECOMP)
Melt/Freeze Pt:=75.C, 167.F
M.P/F.P Text:CA.
Vapor Pres:NO INFO FOUND
Spec Gravity:1.6
pH:SUPDAT
Evaporation Rate & Reference:NO INFORMATION FOUND
Solubility in Water:26 GM IN 100 GM @ 20C
Appearance and Odor:TRANSPARENT, COLORLESS CRYSTALS. ODORLESS.
Percent Volatiles by Volume:0

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

Stability Indicator/Materials to Avoid:YES
REACTS VIOLENTLY WITH WATER AND ACIDS TO LIBERATE HEAT.
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE
    AND STORAGE.
Hazardous Decomposition Products:PHOSPHORUS OXIDES MAY FORM WHEN HEATED
    TO DECOMPOSITION.

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

Toxicological Information:SODIUM PHOSPHATE TRIBASIC DODECAHYDRATE: ORAL
    RAT LD50: 7.4 G/KG. ANHYDROUS: INVESTIGATED AS A MUTAGEN.

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

Ecological:ENVIRONMENTAL FATE: NO INFORMATION FOUND. EVNIRONMENTAL
    TOXICITY: NO INFORMATION FOUND.

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

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECOVERY/RECYCLING
    SHOULD BE MANAGED IN APPROP & APPRVD WASTE FACILITY. ALTHOUGH NOT
    LISTED RCRA HAZ WASTE, THIS MATL MAY EXHIBIT 1/MORE CHARACT OF HAZ
    WASTE & REQ APPROP	ANALYSIS TO DETERM SPECIFIC DISP REQUIREMENTS.
    PROCESSING, USE/CONTAM OF PROD MAY CHANGE WASTE (OTHE R INFO)

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

Transport Information:NOT REGULATED.

=====================  Regulatory Information  =====================

SARA Title III Information:INGRED: SODIUM HYDROXIDE (1310-73-2): SARA
    302, RQ-NO, TPQ-NO, SARA 313, LIST-YES, CHEMICAL CATG.-NO. SODIUM
    PHOSPHATE, TRIBASIC (7601-54-9): SARA 302, RQ-NO, TPQ-NO, SARA 313,
    LIST-NO, CHEMICAL CATG. -NO. SARA 311/312: ACUTE: YES. CHRONIC:
    YES. FIRE: NO. PRESSURE: NO. REACTIVITY: YES.
Federal Regulatory Information:INGRED: SODIUM HYDROXIDE (1310-73-2):
    CERCLA-1000, RCRA-261.33-NO, TSCA 8(D)-NO. INGRED: SODIUM
    PHOSPHATE, TRIBASIC (7601-54-9): CERCLA-5000, RCRA 261.33-NO, TSCA
    8(D)-NO. CHEMICAL WEAPONS CONVENTION:  NO TSCA 12(B): NO. CDTA: NO.
    AUSTRALIAN HAZCHEM CODE: NO INFORMATION FOUND. POISON SCHEDULE: S5.
State Regulatory Information:WHMIS: THIS MSDS HAS BEEN PREPARED
    ACCORDING TO HAZARD CRITERIA OF CONTROLLED PRODS REGS (CPR) AND
    MSDS CNTNS ALL INFO REQD BY CPR. OTHER INFO: NFPA RATINGS:
    HEALTH:3, FLAMMABILITY: 0, REACTIVITY: 2.  PRODUCT USE: INDUSTRIAL
    CHEMICAL.

=======================  Other Information  =======================

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