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

Product ID:DENSTONE, LABSTONE, TRU-STONE, DIE-STONE, DIE-KEEN, MILESTON
MSDS Date:03/21/1995
FSC:6520
NIIN:01-365-8929
MSDS Number: BXHPY
=== Responsible Party ===
Company Name:HERAEUS KULZER INC, DENTAL PRODUCTS DIV
Address:4315 S LAFAYETTE BLVD
City:SOUTH BEND
State:IN
ZIP:46614-2517
Country:US
Info Phone Num:219-291-0661/219-291-0720
Emergency Phone Num:219-291-0661
Preparer's Name:CHERYL V. ZIMMERMAN
CAGE:66874
=== Contractor Identification ===
Company Name:HERAEUS KULZER INC
Address:10005 MUIRLANDS BLVD UNIT G
Box:City:IRVINE
State:CA
ZIP:92718-2595
Country:US
Phone:714-770-0219
CAGE:66874
Company Name:HERAEUS KULZER INC
Address:4315 S LAFAYETTE BLVD
Box:City:SOUTH BEND
State:IN
ZIP:46614-2517
Country:US
Phone:219-291-0661
CAGE:95551

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

Ingred Name:CALCIUM SULFATE
CAS:7778-18-9
RTECS #:WS6920000
Fraction by Wt: 90- 100%
Other REC Limits:NONE RECOMMENDED
OSHA PEL:15 MG/M3 TDUST
ACGIH TLV:10 MG/M3 TDUST; 9495

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: EYES-PARTICLES MAY CAUSE
    IRRITATION.  CHRONIC: PROLONGED EXPOSURE MAY CAUSE LUNG DISEASE.
Explanation of Carcinogenicity:NONE OF THE CHEMICALS ARE LISTED AS A
    CARCINOGEN OR POTENTIAL CARCINOGEN BY IARC.
Effects of Overexposure:MIXED MATERIALS MAY DEVELOP ENOUGH HEAT TO
    CAUSE BURNS IF LARGE AMOUNTS COME INTO CONTACT WITH SKIN DURING
    HARDENING.
Medical Cond Aggravated by Exposure:PRE-EXISTING UPPER RESPIRATORY AND
    LUNG DISEASE SUCH AS BUT NOT LIMITED TO, BRONCHITIS, EMPHYSEMA AND
    ASTHMA.

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

First Aid:SKIN-WASH PROMPTLY WITH WATER. IF IRRITATION OCCURS, CONTACT
    PHYSICIAN. INGESTION-PRODUCT MAY HARDEN ON CONTACT WITH WATER. MAY
    RESULT IN OBSTRUCTION IF INGESTED. SEE PHYSICIAN. EYES-REMOVE
    CONTACT LE NSES. RINSE EYES WITH PLENTY OF WATER FOR 10-15 MIN,
    INLCUDING UNDER EYELIDS. IF IRRITATION OCCURS, CONTACT PHYSICIAN.
    INHALATION-REMOVE TO FRESH AIR.

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

Extinguishing Media:NON-COMBUSTIBLE MATERIALS.
Fire Fighting Procedures:NONE.
Unusual Fire/Explosion Hazard:NONE.

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

Spill Release Procedures:SWEEP OR VACUUM SPILLED MATERIAL INTO A WASTE
    CONTAINER FOR DISPOSAL. AVOID CREATING EXCESSIVE DUST.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:BE SURE PROPER VENTILATION AND
    RESPIRATORY AND EYE PROTECTION ARE USED UNDER DUSTING CONDITIONS.
Other Precautions:DIE KEEN GREEN AND BLUE AND MILESTONE BLUE CONTAIN
    CHROMIUM III COMPOUND AT 0.17-0.25%. THIS CHROMIUM COMPOUND AS
    CHROMIUM IS CONSIDERED TO BE TOXIC AND SUBJECT TO SARA TITLE III,
    SECTION 311, 312 AND  313.

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

Respiratory Protection:WEAR NIOSH APPROVED RESPIRATOR AS APPROPIATE FOR
    NUISANCE DUST, ESPECIALLY WHEN DRY GRINDING. EXCESSIVE PARTICULATE
    IN THE WORK PLACE SHOULD BE AVOIDED. WET GRINDERS SHOULD BE USED.
Ventilation:PROVIDE GENERAL VENTILATION AND LOCAL EXHAUST TO MEET TLV
    REQUIREMENTS.
Protective Gloves:YES.
Eye Protection:YES.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE

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

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:NOT KNOWN
Decomp Temp:Decomp Text:NOT KNOWN
Spec Gravity:2.3
Viscosity:NOT RELEVANT
Evaporation Rate & Reference:NOT RELEVANT
Solubility in Water:SLIGHT, 0.2% @ 104F
Appearance and Odor:FINE POWDER IN VARIOUS COLORS - LOW ODOR

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

Stability Indicator/Materials to Avoid:YES
ACIDS.
Stability Condition to Avoid:NONE.
Hazardous Decomposition Products:NONE.

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

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

 ======================================================================
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