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. 5146

  Nitrate Reagent 1



 2. HAZARDOUS INGREDIENTS

 NAME                                                                    CAS #          TSCA #      %                PEL                 TLV

 Sodium Bisulfate Monohydrate                                          10034-88-5                   25         N/E                     N/E



^ Ammonium Sulfate                                                     7783-20-2                     8        N/E                      N/E









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

 NAME                                                                                                                       CAS #               %

 Cresol Red                                                                                                                1733-12-6            <0.1

 Water to 100%







 4. PHYSICAL DATA

 Appearance: Clear Pink Liquid

 Solubility in Water: Soluble          Odor: None                                     Boiling Point: Unknown           Melt. Point: N/A

 Vapor Pressure: Unknown               Vapor Density:    Unknown           pH:   <1

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

 Special Fire Fighting Procedures:

 N/A

 Unusual Fire & Explosion Hazard:

 Emits toxic fumes under fire conditions. Can react with metals to form hydrogen, or with bleaches to form chlorine gas.



 6. REACTIVITY DATA

 Stability:    Conditions to avoid: Heat

               Incompatibility (Materials to avoid):

    Stable

               Strong alkalies, oxidizers, aqueous hypochorites (bleach)

    Unstable

               Hazardous Decomposition Products: ammonia, NOx, SOx, hydrogen gas

 7. HEALTH HAZARD DATA

 Toxicity: orl rat LD50: 2490 mg/kg for sodium bisulfate solid

 Primary Route of Entry:                       Skin Carcinogenicity:

                              Inhalation                                         None        NTP

                              Ingestion        N/ A                              OSHA        IARC

 Other Health Related Comments:



 Target Organs: N/A

 Signs and symptoms of exposure:

 Corrosive. Irritating to eyes, skin, nose, throat and respiratory system. Harmful if swallowed.



 Medical Condition Aggravated by Exposure: N/A

 8. EMERGENCY FIRST AID PROCEDURES

 Eye Contact: Immediately flush with water for 15 minutes. Consult a physician.

 Ingestion: Do not induce vomiting. Rinse out mouth. Drink plenty of water. Consult physician immediately.

 Inhalation:

 Remove to fresh air.

 Skin Contact:

 Immediately flush with water for 15 minutes while removing affected clothing. Wash skin with soap and water.

 9. SPILL AND DISPOSAL PROCEDURES

 Spill and Leak:

 Cover contaminated area with sodium bicarbonate. Scoop up neutralized slurry and flush to drain with excess water.



 Disposal:

 Add slowly to a solution of soda ash and slaked lime. Pour neutralized solution down drain with excess water. Dispose according to federal, state and local

 regulations.

 10. PRECAUTIONARY MEASURES

 In Handling:      Gloves       Eye Protection       N/A              Other: Lab Coat

 Ventilation             Normal      Mechanical        Respiratory Protection

 Work/Hygienic Practices: Avoid contact with eyes, skin and clothing.

 11. SPECIAL PRECAUTIONS

 Store away from alkalies.

         3/21/97                      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.