MATERIAL SAFETY DATA SHEET

MSDS # 6924 - Page 1 of 3 - Prepared Date 2-2-98              Effective Date 6-20-03



1. Chemical Product and Company Identification



                           POTASSIUM ATOMIC ABSORPTION STANDARD, 1000 ppm

       Product Name:

       Product Code:       6924

       General Use:        Spectroscopy Standard for Analytical Chemistry

       Description:        Weak solution of Potassium Nitrate in dilute Nitric Acid



   Solutions Plus, Inc.               2275 Cassens Drive, Suite 147 Fenton, MO 63026 636-349-4922



       Emergency Phone (24 hours): CHEMTREC 800-424-9300



2. Composition / Information on Ingredients

                                            Conc. or wt. %             CAS Registry #

       Nitric Acid                          approx. 3 %                 7697-37-2

       Potassium Nitrate                    approx. 0.2 %               7757-79-1

       Water                                approx. 97 %                7732-18-5



3. Hazards Identification

                                       EMERGENCY OVERVIEW

                            Clear, colorless solution. CAUTION! Mildly corrosive.

                        Irritating to skin and especially to eyes. Harmful if swallowed.





   Potential Health Effects



     INHALATION: Not likely to be hazardous by inhalation.



     EYE CONTACT: Irritating to eyes, causing redness, tearing and pain.



     SKIN CONTACT: May cause irritation and/or a yellow stain.



     INGESTION: Corrosive. Irritating to gastrointestinal tract.



     CHRONIC: No information found.



4. FIRST AID MEASURES

     INHALATION: Remove from exposure. If breathing is difficult, give oxygen. If not breathing, give

       artificial respiration. Get medical advice.



     EYE CONTACT: Immediately flush eyes with water for at least 15 minutes, occasionally lifting upper and

       lower lids. Get medical advice.



     SKIN CONTACT: Flush exposed area with plenty of water. If irritation develops call a physician.



     INGESTION: If swallowed, give water to dilute and get medical advice immediately. Do not induce

       vomiting. Never give anything by mouth to an unconscious person.





MSDS # 6924 - Page 2 of 3 - Prepared Date 2-2-98              Effective Date 6-20-03

5. FIRE FIGHTING MEASURES

       Flashpoint:                 Not flammable but evaporated under fire conditions may become an oxidizer.

       Flammable Limits:           Not applicable.

       Autoignition Temperature:   Not applicable.

       Extinguishing Media:        Appropriate for surrounding fire.



6. ACCIDENTAL RELEASE MEASURES

     LAND SPILL: Small amounts may be flushed to sewer with plenty of water. For large amounts, neutralize

       with Sodium Bicarbonate and then flush to sewer.



     WATER SPILL: Flush to sewer if possible.



7. HANDLING AND STORAGE

     STORAGE TEMPERATURE: ambient                          STORAGE PRESSURE: atmospheric



     GENERAL: Do not get in eyes, on skin, or on clothing. Avoid breathing mist. Wash thoroughly after

       handling. Store in a tightly closed container. Remove and wash contaminated clothing promptly.



8. EXPOSURE CONTROLS / PERSONAL PROTECTION

     ENGINEERING CONTROLS: Not expected to be necessary.



     PERSONAL PROTECTION

     RESPIRATOR: Not expected to be necessary unless significant misting occurs.



     EYE PROTECTION: Safety glasses or full face shield.



     PROTECTIVE CLOTHING: Lab coat or apron.



9. PHYSICAL AND CHEMICAL PROPERTIES

       Vapor Pressure: No information found.      Vapor Density: No information found.

       Specific Gravity: ca. 1.0                  Evaporation Rate: Essentially similar to water.

       Solubility in Water: Infinite              Freezing Point: ca. -3C (27F)

       pH:      ca. 1 (highly acidic)             Odor:            None.

       Boiling Point: ca. 105C (221F)             Appearance:      Clear, colorless liquid.

       Viscosity: Essentially similar to water.   Physical State: Liquid.



10. STABILITY AND REACTIVITY

     GENERAL: Considered stable under normal conditions of use and storage. Does not polymerize.



     INCOMPATIBLE MATERIALS AND CONDITIONS TO AVOID: Strong bases may react rapidly causing

       heat and spattering.



     HAZARDOUS DECOMPOSITION: Will not occur.



11. TOXICOLOGICAL INFORMATION

       Pure Nitric Acid: Oral (human) LDLo: 430 mg/kg. Investigated as a mutagen, reproductive effector.

       Potassium Nitrate: Oral rat LD50: 3750 mg/kg. Investigated as a mutagen, reproductive effector.



MSDS # 6924 - Page 3 of 3 - Prepared Date 2-2-98           Effective Date 6-20-03

12. ECOLOGICAL INFORMATION

           No data found.



13. DISPOSAL CONSIDERATIONS

       RCRA Hazard Class: None.



14. TRANSPORT INFORMATION

       Not regulated by the DOT.



15. REGULATORY INFORMATION

       TSCA (Toxic Substance Control Act):

         All components of this product are on the TSCA inventory.

       CERCLA (Comprehensive Response Compensation, and Liability Act):

         NOT reportable. We recommend you contact local authorities to determine if there may be other local

         reporting requirements.

       SARA TITLE III (Superfund Amendments and Reauthorization Act):

         311/312 Hazard Categories:         Acute

         313 Reportable Ingredients:        None



                                                                             SARA Sec. 313

                                            SARA EHS                            Chemicals                      CERCLA              RCRA

Product or Components                       Sec. 302 lbs.                    Name Chemical                     Sec. 103            Sec. 261

 of Product                                 RQ      TPQ                      List    Category                  RQ lbs

-----------------------------               ------  -------                  ------- -----------                        -------------

           ----------

Nitric Acid [7697-37-2]                     1000       1000                  Yes        No                     1000                  No

Potassium Nitrate [7757-79-1]               No         No                    No         Nitrate cpd            No                    No

Water [7732-18-5]                           No         No                    No         No                     No                    No



(Explanation of above:]

SARA Sec. 302 EHS RQ: Reportable Quantity of Extremely Hazardous Substance, listed at 40 CFR 355.

SARA Sec. 302 EHS TPQ: Threshold Planning Quantity of Extremely Hazardous Substance.

SARA Sec. 313 Chemicals: Toxic Substances subject to annual release reporting requirements at 40 CFR 372.65.

CERCLA Sec. 103: Comprehensive Environmental Response, Compensation and Liability Act (Superfund)

        Releases to air, land or water of these hazardous substances which exceed the Reportable Quantity (RQ)

        must be reported to the National Response Center (800-424-8802); Listed at 40 CFR 261.33.







16. OTHER INFORMATION

Solutions Plus provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This

document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product.

SOLUTIONS PLUS MAKES NO REPRESENTATIONS, OR WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT

LIMITATION ANY WARRANTIES OF MERCHANTIBILITY, OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE

INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, SOLUTIONS

PLUS WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.



      MSDS revision status: Rev 1, 6-20-03: (Section 1) added 1000 ppm to product name, (Section 3) revised

hazard information, (Section 14) revised DOT information to not regulated, (Section 15) corrected CFR reference

from 535 to 355.