MALLINCKRODT INC -- DIATOMACEOUS EARTH  -- 9390-00N022030
<pre>=====================  Product Identification  =====================

Product ID:DIATOMACEOUS EARTH
MSDS Date:04/06/1989
FSC:9390
NIIN:00N022030
=== Responsible Party ===
Company Name:MALLINCKRODT INC
Box:M
City:PARIS
State:KY
ZIP:40361
Country:US
Info Phone Num:314-982-5000
Emergency Phone Num:314-982-5000
CAGE:62910
=== Contractor Identification ===
Company Name:MALLINCKRODT SPECIALTY CHEMICALS CO
Address:222 RED SCHOOL LANE
Box:City:PHILLIPSBURG
State:NJ
ZIP:08865
Country:US
Phone:908-859-2151
CAGE:62910

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

Ingred Name:AMORPHOUS SILICA GEL
CAS:112926-00-8
OSHA PEL:6 MG/M3
ACGIH TLV:10 MG/M3

Ingred Name:SILICA, CRYSTALLINE-CHRISTOBALITE; (CRYSTALLINE SILICA)
CAS:14464-46-1
RTECS #:VV7325000
Fraction by Wt: 0-2%
OSHA PEL:SEE TABLE Z3
ACGIH TLV:0.05 MG/M3 RDUST9293

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:YES	 OSHA:NO
Health Hazards Acute and Chronic:INHAL: INHAL OF LARGE AMTS OF DUST MAY
    CAUSE DRYNESS & IRRIT TO MUCOUS MEMB, NOSE AND THROAT. SYMPTOMS MAY
    INCLUDE COUGHING, SORE THROAT, DYSPNEA, WHEEZING, AND NON-SPECIFIC
    CHEST ILLNESSES. INGEST: N O ADVERSE EFFECTS EXPECTED. SKIN: NO
    ADVERSE EFFECTS EXPECTED. EYE: NO ADVERSE EFFECTS EXPECTED BUT(SEE
    EFTS OF OVEREXP)
Explanation of Carcinogenicity:CRYSTALLINE SILICA: GROUP 2A
    (IARC).PROBABLY CARCINOGENIC TO HUMANS.
Effects of Overexposure:HLTH HAZ: DUST MAY CAUSE MECHANICAL IRRITATION.
    (CHRONIC) CHRONIC INHALATION OF DUST CAN PRODUCE SILICOSIS, A
    DISEASE OF THE LUNGS. CARDIOPULMONARY IMPAIRMENT MAY OCCUR.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND.

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

First Aid:INHAL: REMOVE TO FRESH AIR. GET MD FOR ANY BREATHING
    DIFFICULTY. INGEST: GIVE SEVERAL GLASSES OF WATER TO DRINK TO
    DILUTE. IF LRG AMTS WERE SWALLOWED, GET MD. SKIN: WASH EXPSD AREA
    WITH SOAP & WATER.	GET MD IF IRRITATION DEVELOPS. EYE: WASH
    THOROUGHLY WITH RUNNING WATER. GET MD IF IRRITATION DEVELOPS.

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

Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING
    SURROUNDING FIRE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE A FIRE OR AN
    EXPLOSION HAZARD.

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

Spill Release Procedures:VENT AREA OF LEAK OR SPILL. CLEAN-UP PERSONNEL
    MAY REQUIRE RESPIRATORY PROTECTION FROM DUST. SWEEP UP AND
    CONTAINERIZE FOR RECLAMATION OR DISPOSAL. VACUUMING OR WET SWEEPING
    MAY BE USED TO AVOID DUST  DISPERSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED CONTAINER,
    STORE IN A COOL, DRY, VENTILATED AREA. PROTECT AGAINST PHYSICAL
    DAMAGE.
Other Precautions:CONTACT LENSES SHOULD NOT BE WORN WHEN WORKING WITH
    THIS MATERIAL.

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

Respiratory Protection:IF THE TLV IS EXCEEDED, A NIOSH/MSHA APPROVED
    DUST/MIST RESPIRATOR MAY BE WORN UP TO TEN TIMES THE TLV. CONSULT
    RESPIRATOR SUPPLIER FOR DETAILS.
Ventilation:A SYSTEM OF LOCAL AND/OR GENERAL EXHST IS REC TO KEEP
    EMPLOYEE EXPOS <AIRBORNE EXPOS LIMITS. LOCAL EXHST VENT(SUPP DATA)
Protective Gloves:NONE REQUIRED.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:MAINTAIN EYEWASH FOUNTAIN AND QUICK-DRENCH
    FACILITIES IN WORK AREA.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VENT: IS GENERALLY PREFERRED BECAUSE IT CAN CONTROL THE EMISSIONS OF
    THE CONTAMINANT AT ITS SOURCE, PREVENTING DISPERSION OF IT INTO THE
    GENERAL WORK AREA. PLEASE REFER TO THE ACGIH DOCUMENT, "INDUSTR IAL
    VENTILATION, A MANUAL OF RECOMMENDED PRACTICES", MOST RECENT
    EDITION, FOR DETAILS.

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

HCC:N1
Boiling Pt:B.P. Text:4050F,2232C
Melt/Freeze Pt:M.P/F.P Text:3110F,1710C
Spec Gravity:2.2
Solubility in Water:LESS THAN 2%
Appearance and Odor:BUFF TO OFF-WHITE GRANULES WITH NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
HYDROGEN FLUORIDE, HYDROGENATED VEGETABLE OILS, XENON HEXAFLUORIDE,
    OXYGEN DIFLUORIDE & CHLORINE TRIFLUORIDE.
Stability Condition to Avoid:SUBSTANCE CAN EXPLODE WHEN WET AND HEATED
    WITH MAGNESIUM.
Hazardous Decomposition Products:NO INFORMATION FOUND.

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

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
    DELIVERED TO AN APPROVED WASTE DISPOSAL FACILITY. ENSURE COMPLIANCE
    WITH LOCAL, STATE AND FEDERAL REGULATIONS.

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