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7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepine-2-thione

Material Safety Data Sheet
THIS PRODUCT IS A CHEMICAL SUBSTANCE, AND IS INTENDED TO BE USED BY PERSONS HAVING
CHEMICAL KNOWLEDGE AND SKILL, AT THEIR OWN DISCRETION AND RISK.

IDENTITY: MTT

Section 1. Chemical Identification
Trade Name: MTT
Manufacturer: Dojindo Laboratories
Address: Tabaru 2025-5 Mashiki-machi, Kamimashiki-gun,
Kumamoto 861-2202, Japan
Telephone: +81-96-286-1515
Data Prepared: December 25, 2000

Section 2. Composition / Information on Ingredients
Chemical Name: 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide
CAS Registry #: 2348-71-2

Section 3. Health Hazard Data
Route(s) of Entry: Inhalation? Yes; Skin? Yes; Ingestion? Yes
Health Hazards (Acute and Chronic): May be harmful by inhalation, ingestion, or skin absorption. Causes eye
and skin irritation. Material is irritating to mucous membranes and upper respiratory tract.
Signs and Symptoms of Exposure: Not available
Medical Conditions Generally Aggravated by Exposure: Not available

Section 4. First Aid Procedures
In case of contact with eyes, immediately flush eyes with copious amounts of water for at least 15 minutes. In case of
contact, immediately wash skin with soap and copious amounts of water. Assure adequate flushing of the eyes by
separating the eyelids with fingers. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. If ingested, wash out mouth with water. Call a physician. Discard contaminated
clothing and shoes.

Section 5. Fire and Explosion Hazard Data
Flash Point (Method Used): Not available
Flammable Limits: Not available
Extinguishing Media: Carbon dioxide, dry chemical powder, foam, water.
Special Fire Fighting Procedures: Wear protective clothing, respirator, chemical safety goggles, rubber boots and
heavy rubber gloves.
Unusual Fire and Explosion Hazards: Fire may produce irritating or poisonous gases.

Section 6. Accidental Release Measures
Steps to be Taken in Case Material is Released or Spilled:
Wear self-contained breathing apparatus, rubber boots and heavy rubber gloves. Evacuate area. Sweep up, place in a
bag and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete. Avoid raising
dust.

Section 7. Handling and Storage
Wear appropriate NIOSH / MSHA-approved respirator, chemical-safety goggles, chemical-resistant gloves, other
protective clothing. Mechanical exhaust required. Use only in a chemical fume hood. Safety shower and eye bath.
Face shield. Do not breathe dust. Do not get in eyes, on skin, on clothing. Wash thoroughly after handling.
Irritant. Harmful solid. Avoid all contact. Avoid prolonged or repeat.
Other Precautions: Keep tightly closed. Protect from light and moisture.
Section 8. Exposure Controls / Personal Protection
Respiratory Protection (Specify Type): Necessary
Ventilation, Local Exhaust: Chemical fume hood
Mechanical (General): Necessary
Protective Gloves: Chemical-resistant gloves
Eye Protection: Chemical-safety goggles
Other protective Clothing or Equipment: Necessary
Work / Hygienic Practices: Wash thoroughly after handling. Access to a safety shower and eye-wash.
Do not permit eating, drinking or smoking near material.

Section 9. Physical / Chemical Characteristics
Melting Point: 190-205 (dec.)
Boiling Point: Not available
Specific Gravity (water=1): Not available
Vapor Pressure: Not available
Vapor Density (air=1): Not available
Evaporation Rate (butyl acetate=1): Not available
Solubility in water: A little soluble
Appearance and Odor: Yellow or yellowish brown powder

Section 10. Reactivity Data
Stability: Stable
Conditions to Avoid: Heat, sunlight, high temperature
Incompatibility (Materials to Avoid): Strong oxidizing agents, strong acids and strong bases.
Hazardous Decomposition or Byproducts: When decomposed, it may emit toxic fumes of carbon
monoxide,carbon dioxide, nitrogen oxide, sulfur oxides and
hydrogen bromide gas.
Hazardous Polymerization: Will Not Occur

Section 11. Toxicological Information
Acute Effects: Data not available
Chronic Effects: Data not available
Carcinogenicity: Data not available
Mutagenic: Mutation in microorganism ( a ,
):5mg/plate
RTECS #: Not listed

Section 12. Ecological Information
Data not available

Section 13. Disposal Considerations
Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner
and scrubber.

Section 14. Transport Information
Not regulated

Section 15. Regulatory Information
Not applicable

Section 16. Other Information

THE ABOVE INFORMATION IS BELIEVED TO BE CORRECT BUT DOES NOT PURPORT TO BE
ALLINCLUSIVE AND SHALL BE USED ONLY AS A GUIDE. DOJINDO LABORATORIES SHALL NOT BE
HELD LIABLE FOR ANYDAMAGE RESULTING FROM HANDING OR FROM CONTACT WITH THE
ABOVE MATERIAL.

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