MALLINCKRODT BAKER INC. SUB OF MALLINCKRODT CHEMICAL -- BORIC ACID -- 6810-00-824-9090 
=====================  Product Identification  =====================

Product ID:BORIC ACID
MSDS Date:11/17/1999
FSC:6810
NIIN:00-824-9090
Status Code:A
=== Responsible Party ===
Company Name:MALLINCKRODT BAKER INC.   SUB OF MALLINCKRODT CHEMICAL
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
Resp. Party Other MSDS Num.:MSDS NO: B3696
Preparer's Name:STRATEGIC SERVICES DIV
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
Company Name:PHOENIX INDUSTRIES INC
Address:1519 CHAMBERLAYNE PARKWAY
Box:City:RICHMOND
State:VA
ZIP:23222
Country:US
Phone:804-264-5183/FAX: 264-5535
Contract Num:SP0450-00-M-D662
CAGE:0YED2

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

Ingred Name:BORIC ACID
CAS:10043-35-3
RTECS #:ED4550000
= Wt:100.

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

LD50 LC50 Mixture:LD50 = 2660 MG/KG (RAT)
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALE: CAUSES IRRITATION TO THE
    MUSOUS MEMBRANES OF THE RESPIRATORY TRACT. MAY BE ABSORBED FROM THE
    MUCOUS MEMBRANES. SKIN: CAUSES SKIN IRRITATION. NOT SIGNIFICANTLY
    ABSORBED THROUGH THE INTACT SKIN.  READILY ABSORBED THROUGH DAMAGED
    OR BURNED SKIN. EYE: CAUSES IRRITATION, REDNESS & PAIN. CHRONIC:
    PROLONGED ABSORPTION CAUSES WEIGHT LOSS, VOMITING, DIARRHEA, SKIN
    RASH, CONVULSIONS & AMEMIA. LIVER &  PARTICULARLY THE KIDNEYS MAY
    BE SUSCEPTIBLE.
Explanation of Carcinogenicity:NONE LISTED.
Effects of Overexposure:INHALATION: MAY BE ABSORBED FROM THE MUSOUS
    MEMBRANES, & DEPENDING ON THE AMOUNT OF EXPOSURE COULD RESULT IN
    THE DEVELOPMENT OF NAUSEA, VOMITING, DIARRHEA, DROWSINESS, RASH,
    HEADACHE, FALL IN BODY TEM P. , LOW BLOOD PRESSURE, RENAL INJURY,
    CYANOSIS, COMA & DEATH. INGESTION: SYSMPTOMS PARALLEL ABSORPTION
    VIA INHALATION. ALULT FATAL DOSE REPORTED AT 5 TO > 30 GRAMS. SKIN:
    SYMPTOMS OF SKIN ABSORPTION  PARALLEL INHALATION & INGESTION.
Medical Cond Aggravated by Exposure:PERSONS WITH PRE-EXISTING SKIN
    DISORDERS OR EYE PROBLEMS, OR IMPAIRED LIVER, KIDNEY OR RESPIRATORY
    FUNCTION MAY BE MORE SUSECPTIBLE TO THE EFFECTS OF THE SUBSTANCE.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE
    ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN.
    CALL A PHYSICIAN. INGESTION: INDUCE VOMITING IMMEDIATELY AS
    DIRECTED BY MEDICAL  PERSONNEL. NEVER GIVE ANYTHING BY MOUTH TO AN
    UNCONSCIOUS PERSON. SKIN: REMOVE ANY CONTAMINATED CLOTHING. WASH
    SKIN WITH SOAP OR MILD DETERGENT & WATER FOR AT LEAST 15 MINS. GET
    MEDICAL ATTENTION IF I RRITATION DEVELOPS OR PERSISTS. WASH
    CLOTHING BEFORE REUSE. EYE: IMMEDIATELY FLUSH EYES WITH PLENTY OF
    WATER FOR AT LEAST 15 MINS, LIFTING UPPER/LOWER EYELIDS
    OCCASIONALLY. GET MEDICAL ATTENTION IMMED IATELY.

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

Flash Point:NOT A FIRE HAZAR
Autoignition Temp:Autoignition Temp Text:NONE P
Lower Limits:NONE PROVIDE
Upper Limits:NONE PROVIDE
Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING
    SURROUNDING FIRE.
Fire Fighting Procedures:IN THE EVENT OF A FIRE, WEAR FULL PROTECTIVE
    CLOTHING & NIOSH-APPROVED SELF CONTAINED BREATHING APPARATUS WITH
    FULL FACEPIECE OPERATED IN THE PRESURE DEMAND OR OTHER POSITIVE
    PRESSURE MODE.
Unusual Fire/Explosion Hazard:A MIXTURE OF POTASSIUM AND BORIC ACID MAY
    EXPLODE ON IMPACT.

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

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. WEAR
    APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT. SPILLS: PICK UP & PLACE
    IN A SUITABLE CONTAINER FOR RECLAMATION OR DISPOSAL, USING A METHOD
    THAT DOES NOT GENERATE DUST .
Neutralizing Agent:NONE PROVIDED BY MFR.

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

Handling and Storage Precautions:STORE IN CLOSED CONTAINERS IN A COOL,
    DRY AREA. CARBON STEEL OR ALUMINUM CONTAINERS ARE SUITABLE FOR
    STORAGE. STAINLESS STEEL IS NEEDED FOR MOIST CONDITIONS. AVOID
    CONTACT ESPECIALLY WHEN SKIN IS CUT  OR ABRAIDED. CONTAINERS OF
    THIS MATERIAL MAY BE HAZARDOUS WHEN EMPTY SINCE THEY RETAIN PRODUCT
    RESID
Other Precautions:NONE PROVIDED BY MFR.

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

Respiratory Protection:IF THE EXPOSURE LIMIT IS EXCEEDED, A HALF-FACE
    DUST/MIST RESPIRATOR MAY BE WORN FOR UP TO TEN TIMES THE EXPOSURE
    LIMIT OR THE MAXIMUM USE CONCENTRATION SPECIFIED BY THE APPROPRIATE
    REGULATORY AGENCY O R RESPIRATOR SUPPLIER, WHICHEVER IS LOWEST. A
    FULL-FACE PIECE DUST/MIST RESPIRATOR MAY BE WORN UP TO 50 TIMES THE
    EXPOSURE LIMIT. FOR EMERGENCIES OR INSTANCES W
Ventilation:A SYSTEM OF LOCAL &/OR GENERAL EXHAUST IS RECOMMENDED TO
    KEEP EMPLOYEE EXPOSURES BELOW THE AIRBORNE EXPOSURE LIMITS.
Protective Gloves:GLOVES RECOMMENDED.
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:EYEWASH FOUNTAIN AND QUICK-DRENCH FACILITIES
    IN WORK AREA.  LAB COAT, APRON OR COVERALLS.
Work Hygienic Practices:USE GOOD HOUSEKEEPING PRACTICES TO PREVENT
    ACCUMULATION OF DUST & FOLLOW SOUND CLEANING TECHNIQUES THAT WILL
    KEEP AIRBORNE PARTICULATES AT A LOW LEVEL. WASH HANDS AFTER
    HANDLING THIS MATERIAL.
Supplemental Safety and Health
.

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

HCC:C3
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:=169.C, 336.2F
Decomp Temp:Decomp Text:NONE PROVIDED BY MFR.
Vapor Pres:2.6 M MHG @ 20 DEG C
Vapor Density:NO INFO
pH:5.1 AQUEOUS SOL
Viscosity:NONE PROVIDED BY MFR.
Evaporation Rate & Reference:NO INFO FOUND
Solubility in Water:1G/18ML IN COLD WATER
Appearance and Odor:WHITE POWDER OR GRANULES, ODORLESS.
Percent Volatiles by Volume:0 @ 21 DEG C
Corrosion Rate:NONE PROVIDED BY MFR

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

Stability Indicator/Materials to Avoid:YES
POTASSIUM, ACETIC ANHYDRIDE, ALKALIS, CARBONATES, AND HYDROXIDES.
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE &
    STORAGE. IF MOISTURE IS PRESENT, BORIC ACID CAN BE CORROSIVE TO
    IRON.
Hazardous Decomposition Products:LOSES CHEMICALLY COMBINED WATER UPON
    HEATING, FORMING METABORIC ACID (HBO2) AT 212 TO 221 DEG F, THEN
    PYROBORIC ACID (H2B4O7) AT 285 TO 320DEG F, & BORIC ANHYDRIDE AT
    HIGHER TEMPERATURES.
Conditions to Avoid Polymerization:WILL NOT OCCUR

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

Toxicological Information:INVESTIGATED AS A MUTAGEN, TUMORIGEN,
    REPRODUCTIVE EFFECTOR.

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

Ecological:THE EC50/48-HOUR VALUES FOR DAPHNIA ARE OVER 100 MG/L. THIS
    MATERIAL MAY BE TOXIC TO AQUATIC LIFE.

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

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECOVERY OR
    RECYCLING SHOULD BE MANAGED IN AN APPROPRIATE & APPROVED WASTE
    DISPOSAL FACILITY. PROCESSING, USE OR CONTAMINATION OF THIS PRODUCT
    MAY CHANGE THE WASTE MANAGEM ENT OPTIONS. STATE & LOCAL DISPOSAL
    REGULATIONS MAY DIFFER FROM FEDERAL REGULATIONS. DISPOSE OF CONT
    AINER & UNUSED

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

Transport Information:NOT REGULATED.

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

Federal Regulatory Information:ON TSCA INVENTORY LIST.

 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.