MATERIAL SAFETY DATA SHEET



                                EXCITON, INC.

                                P.O. Box 31126

                           Dayton, Ohio 45437-0126





Date of Preparation: 01-13-04

Person to contact: Larry Knaak

Telephone number for information:    937-252-2989



________________________SECTION I. IDENTIFICATION_________________________

* Product Name: DODC Iodide



* Synonym(s):    3-ethyl-2-[5-(3-ethyl-2(3H)-benzoxazolylidene)-1,3-

                 pentadienyl]-benzoxazolium iodide



* Cat No.:       06480



________________SECTION II. PRODUCT AND COMPONENT HAZARD DATA_

COMPONENT(s):                             Percent      TLV   CAS Reg. No.



DODC Iodide                               ~100         N/D   14806-50-9



________________________SECTION III. PHYSICAL DATA_________________________

*   Appearance and odor: Purple powder, no odor

*   Melting Point: appoximately 230°C

*   Vapor Pressure: Nil

*   Evaporation Rate (n-butyl acetate=1): Not applicable

*   Volatile fraction by Weight: Not applicable

*   Specific Gravity (water=1): Not applicable

*   Solubility in Water: Slightly Soluble



__________________SECTION IV. FIRE AND EXPLOSION HAZARD DATA______________



* Flash Point: Not applicable.

* Extinguishing Media: Water spray; Dry chemical; Carbon dioxide.

* Special Fire Fighting Procedures: Wear self-contained breathing

  apparatus and protective clothing.

* Unusual Fire and Explosion Hazards: Fire or excessive heat may

  produce hazardous decomposition products.



_______________________SECTION V. REACTIVITY DATA________________________



* Stability: Stable.

* Incompatibility: Strong oxidizers.

* Hazardous Decomposition Products: Combustion will produce carbon dioxide

  and probably carbon monoxide. Oxides of nitrogen will also be present.

* Hazardous Polymerization: Will not occur.

______________SECTION VI. TOXICITY AND HEALTH HAZARD DATA________________



A. EXPOSURE LIMITS: LD100 Mouse: 50mg/kg

   IARC: Not Listed

   NTP: Not Listed



B. EXPOSURE EFFECTS:

   Inhalation: Harmful if inhaled.

   Eye: No hazards known.

   Ingestion: Poison: Can be fatal if swallowed.



C. FIRST AID:

   Inhalation: Remove to fresh air.

   Skin: Wash after each contact.

   Eye: Immediately flush eyes with plenty of water for at least 15

   minutes and get medical attention if symptoms are present.

   Ingestion: Drink 1-2 glasses of water. Seek medical attention.



____________SECTION VII. VENTILATION AND PERSONAL PROTECTION______________



* Ventilation: Good general room ventilation is recommended. Local exhaust

  may be needed.

* Respiratory Protection: A NIOSH approved dust respirator should be worn,

  if needed.

* Skin and Eye Protection: Protective gloves should be worn. Safety

  glasses should be worn.



_________SECTION VIII. SPECIAL STORAGE AND HANDLING PRECAUTIONS___________



* Keep from contact with oxidizing materials.

* Handling Precautions: In accordance with good industrial practice, handle

  with care and avoid unnecessary personal contact. Avoid contact with

  eyes and prolonged or repeated skin contact. Avoid continuous or

  repetitive breathing of dust. Use only with adequate ventilation.

  For laboratory use by technically qualified individual only.

* Shipping and Storing Precautions: Keep container tightly closed when not

  in use and during transport.

* Personal Hygiene: Wash thoroughly after handling.



____________SECTION IX. SPILL, LEAK, AND DISPOSAL PROCEDURES______________



Sweep up material and package for safe feed to an incinerator. Dispose by

incineration or contract with licensed chemical waste disposal agency.

Follow all federal, state and local laws.



____________________SECTION X. REGULATORY INFORMATION______________________



* Dot Proper Shipping Name: Not regulated as a hazardous material by the

  U.S. Dept. of Transportation (DOT) 49 CFR 172.101 Hazardous Materials

  Table.

* Dot Class: None.

* Dot Number: None.

* RCRA Status: Not a hazardous waste under RCRA (40 CFR 261).

* CERCLA Status: Not listed.

* SARA/Title III - Toxic Chemicals List: This product does not contain a

  toxic chemical for routine annual "Toxic Chemical Release Reporting"

  under SEC. 313 (40 CFR 372).

* TSCA Inventory Status: Chemical components listed on TSCA inventory.