MATERIAL SAFETY DATA SHEET

                                                              LaMOTTE COMPANY

                                                  PO BOX 329 - CHESTERTOWN - MARYLAND - 21620

                                                   TELEPHONE # FOR INFORMATION 410-778-3100

                                                24 Hour Emergency Number (CHEM-TEL) 800-255-3924

1. PRODUCT IDENTIFICATION

                                                              Code Nr. 5157

Phosphorus Reagent #3 tablets



2. HAZARDOUS INGREDIENTS

NAME                                                                        CAS #         TSCA #      %             PEL                 TLV

Stannous Chloride                                                          7772-99-8                  1.5         2 mg/cubic m          2 mg/cubic m

                                                                                                             as Sn             as Sn

Potassium Chloride                                                         7747-40-7                 >98%        15 mg/cubic m        10 mg/cubic m

                                                                                                             (as dust)         total dust









3. NON-HAZARDOUS INGREDIENTS EXCEPT WATER (7732-18-5)

NAME                                                                                                                        CAS #                 %

N/A









4. PHYSICAL DATA

Appearance: White Tablet

Solubility in Water: Soluble            Odor: None                                      Boiling Point: N/A              Melt. Point: ca.750 deg C

Vapor Pressure: N/A                     Vapor Density:    N/A               pH:   3 (1 tablet/10mL water)

5. FIRE AND EXPLOSION DATA

Flash Point (method used) N/A                                                          Flammable Limit: LEL: N/A              UEL: N/A

Extinguishing Media: Not a fire hazard

HMIS Hazard:Health - 1 Flammability -             0                          0

                                                            Reactivity -                Scale: 4 = Extreme, 3 = High, 2 = Moderate, 1 = Slight, 0 = Least

Special Fire Fighting Procedures:

N/A

Unusual Fire & Explosion Hazard:

N/A



6. REACTIVITY DATA

Stability:     Conditions to avoid: Moisture, extreme heat or cold

               Incompatibility (Materials to avoid):

   Stable

               N/A

   Unstable

               Hazardous Decomposition Products: N/A

7. HEALTH HAZARD DATA

Toxicity: orl rat LD50: 2600 mg/kg for potassium chloride

Primary Route of Entry:                        Skin Carcinogenicity:

                             Inhalation                                           None        NTP

                             Ingestion         N/ A                               OSHA        IARC

Other Health Related Comments:



Target Organs: Unknown

Signs and symptoms of exposure:

May irritate eyes and skin. Ingestion of large quantities may cause gastrointestinal irritation and circulatory problems.



Medical Condition Aggravated by Exposure: N/A

8. EMERGENCY FIRST AID PROCEDURES

Eye Contact: Flush thoroughly with water.

Ingestion: Drink glass of water. Consult a physician.

Inhalation:

N/A

Skin Contact:

Flush with water. Wash with soap and water.

9. SPILL AND DISPOSAL PROCEDURES

Spill and Leak:

Sweep up. Dissolve in water and flush down drain with excess water.



Disposal:

Dissolve in water and flush down drain with excess water. Dispose according to federal, state and local regulations.



10. PRECAUTIONARY MEASURES

In Handling:      Gloves       Eye Protection              N/A            Other:

Ventilation             Normal      Mechanical              Respiratory Protection

Work/Hygienic Practices: Avoid handling tablets.

11. SPECIAL PRECAUTIONS

N/A

          6/16/97                      The above information is believed to be correct but does not claim to be all inclusive and should be used only as a guide.

DATE:

 ^      This is a toxic chemical subject to reporting requirements of section 313 of EPCRA and 40CFR372.