EXCITON, INC.
P.O. Box 31126
Dayton, Ohio 45437-0126
Date of Preparation: 01-20-04
Person to contact: Larry Knaak
Telephone number for information: 937-252-2989
________________________SECTION I. IDENTIFICATION_________________________
* Product Name: Cryptocyanine
* Synonym(s): 1,1'-diethyl-4,4'-carbocyanine iodide
or
1-ethyl-4-[(3-(1-ethyl-4(1H)-quinolinylidene)-1-propenyl]
quinolinium iodide
* Cat No.: 07070
________________SECTION II. PRODUCT AND COMPONENT HAZARD DATA
COMPONENT(s): Percent TLV CAS Reg. No.
Cryptocyanine ~100 N/D 4727-50-8
________________________SECTION III. PHYSICAL DATA_________________________
* Appearance and odor: Bright green crystalline solid
* Melting Point: 253-254癈
* Vapor Pressure: Negligible
* Evaporation Rate (n-butyl acetate=1): Negligible
* Volatile fraction by Weight: Negligible
* Specific Gravity (water=1): Not available
* Solubility in Water: Insoluble
__________________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.
Hydrogen iodide gas will be present.
* Hazardous Polymerization: Will not occur.
______________SECTION VI. TOXICITY AND HEALTH HAZARD DATA________________
A. EXPOSURE LIMITS: Not established.
IARC: Not Listed
NTP: Not Listed
B. EXPOSURE EFFECTS:
Inhalation: Low hazard for usual industrial handling.
Skin: Low hazard for usual industrial handling.
Eye: No specific hazard known. Contact may cause transient irritation.
Ingestion: Expected to be a low ingestion hazard.
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.