MATERIAL SAFETY DATA SHEET

SECTION I � Product / Company Identification



                                            PRISMA® GLOSS� & PRISMA®

1.1 Product Trade Name:

GLOSSâ„? ExtraFine

                                            Composite Polishing Paste

1.2 Part (Item) Number:                     631400, 631450 All Package Configurations

1.3 Division Name:                          DENTSPLY Caulk

1.4 Address:                                38 West Clarke Avenue

    City State Zip:                         Milford DE 19963-0359

     Internet Address:                      http://www.caulk.com

1.5 Emergency Telephone Number:             (800) 424-9300 (Chemtrec)

1.6 Telephone Number for Information:       (302) 422-4511 (8:00 AM � 4:30 PM Eastern Time)

1.7 Date Prepared:                          2/2/99 Date Revised: 2/1/02



SECTION II - Hazardous Ingredients/Identity Information

Hazardous Components               OSHA PEL                    ACGIH TLV CAS #                    Percent

                                      10 mg\m3                 10 mg\m3

Aluminum Oxide (as Dust)                                                  1344-28-1             < than 65 %

                                      10 mg\m3                 10 mg\m3

Glycerine                                                                 56-81-5               < than 50 %

                                      3 mg/m3                  3 mg/m3

Hydrophobic Amorphous Fumed Silica                                        68611-44-9            < than 5 %



SECTION III - Physical/Chemical Characteristics

                                                                                          1.7 g/cm3

3.1 Boiling point:              290°C (554°F)                    3.6 Specific Gravity:

3.2 Vapor pressure:             0.0013@110°F                     3.7 Melting Point:       N. A.

3.3 Vapor density:              N. A.                            3.8 Evaporation rate:    N. A.

3.4 Solubility in water:        Partially Soluble

3.5 Appearance and odor:        White opaque odorless paste.



SECTION IV - Fire and Explosion Hazard Data

4.1 Flash point (method used):              199°C (390°F) PMCC

4.2 Flammability (explosive limits):        LEL: N. E.                       UEL: N. E.

4.3 Extinguishing media:                    Sand, foam, carbon dioxide, or dry chemical.

4.4 Special fire fighting procedures:       Keep people away. Fire fighter should wear full protective clothing including

                                            a self contained breathing apparatus.

4.5 Unusual fire and explosion hazards:     During a fire, smoke may contain the original material in addition to

                                            unidentified toxic and/or irritating compounds. Hazardous combustion

                                            products may include and are not limited to: Aldehydes, carbon monoxide,

                                            and carbon dioxide.



SECTION V � Reactivity Data

5.1 Stability:                                   Unstable:                Stable: X

5.2 Conditions to avoid (stability):             Elevated temperatures over 50°C (122°F) and strong oxidizing

                                                 materials, such as sodium hypochlorite, hypochlorous acid .

5.3 Incompatibility (materials to avoid):        Strong oxidizing materials.

5.4 Hazardous decomposition or byproducts:       Acrolein

5.5 Hazardous polymerization:                    May occur:               Will not occur: X

5.6 Conditions to avoid (polymerization):        N. A.

SECTION VI - Health Hazard Data

6.1 Route(s) of entry:                     Inhalation?: No Skin?: Possible Ingestion?: Possible

6.2 Health hazards (acute and chronic):    Skin: May dry the skin causing irritation. Prolonged contact may cause slight

                                           transient skin irritations. Ingestion of large amounts may cause headache,

                                           cyanosis, lumbar pain. Eyes: May cause slight transient (temporary) irritation.

6.3 Carcinogenicity:                       NTP?: Not listed IARC monographs?: Not listed OSHA Regulated? : No

6.4 Signs and symptoms of exposure:        Prolonged contact may cause minor skin irritation (redness).

6.5 Medical conditions generally

     aggravated by exposure:               Individuals with sensitive skin and/or severe allergies.

6.6 Emergency first aid procedures:        Eyes: In case of eye contact, flush with flowing water for 15 minutes and

                                           call physician. Skin: Wash thoroughly with mild soap and water. Ingestion:

                                           If swallowed, call a physician. Do not induce vomiting unless directed to do

                                           so by medical personnel.



SECTION VII � Precautions for Safe Handling and Use

7.1 Steps to be taken in case material

     is released or spilled: Scoop up bulk material and place in a labeled plastic or metal container.

7.2 Waste disposal methods: Dispose of material as solid waste in a closed container. Dispose of in accordance with

                                 Federal, State and Local regulations.

7.3 Precautions to be taken in

     handling and storage:Store in a dry area, away from direct sunlight. Maximum storage temperature is

                                 50°C(122°F). Normal storage is at room temperature.Store away from food and beverages.

7.4 Other precautions:           Avoid contact with skin. Observe normal warehouse handling procedures. Handling of this

                                 product should be by trained dental healthcare professionals only.



SECTION VIII � Control Measures / Personal Protection

8.1 Respiratory protection:                    None required during normal use of this product.

8.2 Ventilation:                               None required during normal intended use of this product. Local exhaust

                                               can be used to keep vapors below threshold level.

8.3 Protective gloves:                         Latex or vinyl gloves.

8.4 Eye protection:        Protective goggles.

8.5 Other protective clothing or equipment: Chemically resistant apron or other impervious clothing.

8.6 Work/Hygienic practices:                   Observe normal care when working with chemicals. Avoid eye and skin

                                               contact, inhalation and ingestion. Do not eat, drink or smoke when using.



          NFPA HAZARD

        CLASSIFICATIONS

Health                 0                  NFPA � National Fire Protection Association

Flammability           0                  N.A. � Not Applicable

Reactivity             0                  N.E. � Not Established

Specific Hazard      N. A.









                                                                                                531898 (R-2/1/02)