MATERIAL SAFETY DATA SHEET
Revised: 09/12/07
2,3,5-TRIPHENYL TETRAZOLIUM CHLORIDE Replaces: 07/16/04
CAROLINA BIOLOGICAL Printed: 05/20/08
1. PRODUCT DESCRIPTION
Product Name: 2,3,5-Triphenyl Tetrazolium chloride
Product Code(s): 20-6070, 89-6930, 89-6932, 89-6934
Size: 5g, 10g, 25g
Chemical Name: 2,3,5 Triphenyl-2H-Tetrazolium Chloride
CAS Number: 298-96-4
Formula: C19H15ClN4
Synonyms: PTB, Red Tetrazolium, Tetrazolium Chloride
Distributor: Carolina Biological Supply Company
2700 York Road
Burlington, NC 27215
Chemical Information: 800-227-1150 (8am-5pm (ET) M-F)
Chemtrec (Transportation Spill Response 24 hours): 800-424-9300
2. COMPOSITION/INFORMATION ON INGREDIENTS
Principal Hazardous Components: 2,3,5-Triphenyl Tetrazolium
chloride(CAS#298-96-4)100%
TLV and PEL units: None established
3. HAZARD IDENTIFICATION
Emergency Overview: May be harmful by ingestion, inhalation, or skin
absorption. May cause irritation.
Potential Health Effects:
Eyes: May cause irritation.
Skin: May cause irritation.
Ingestion: May cause gastrointestinal discomfort.
Inhalation: May cause irritation to respiratory tract.
4. FIRST AID MEASURES
Emergency and First Aid Procedures:
Eyes - Flush with water for at least 15 minutes, raising and lowering
eyelids occasionally. Get medical attention if irritation persists.
Skin - Thoroughly wash exposed area for at least 15 minutes. Remove
contaminated clothing. Launder contaminated clothing before reuse. Get
medical attention if irritation persists.
Ingestion - If swallowed, if conscious, give plenty of water.
Immediately call a physician or poison control center. Never give
anything by mouth to an unconscious person.
Inhalation - Remove to fresh air. Give oxygen if breathing is
difficult; give artificial respiration if breathing has stopped. Keep
person warm and quiet, and get medical attention.
5. FIREFIGHTING PROCEDURES
Flash Point(Method Used): N/A
NFPA Rating: To the best of our knowledge, the chemical, physical, and
toxicological properties have not been thoroughly investigated.
Extinguisher Media: Water spray, carbon dioxide, dry chemical powder,
or appropriate foam.
Flammable Limits in Air % by Volume: N/A
Autoignition Temperature: N/A
Special Firefighting Procedures:
Firefighters should wear full protective equipment and NIOSH approved
self-contained breathing apparatus.
Unusual Fire and Explosion Hazards: Produces toxic fumes on thermal
decomposition.
Page 1 of 3
MATERIAL SAFETY DATA SHEET
Revised: 09/12/07
2,3,5-TRIPHENYL TETRAZOLIUM CHLORIDE Replaces: 07/16/04
CAROLINA BIOLOGICAL Printed: 05/20/08
6. SPILL OR LEAK PROCEDURES
Steps to be Taken in Case Material is Released or Spilled:
Ventilate area of spill. Clean-up personnel should wear proper
protective equipment. Avoid creating dust. Sweep or scoop up and
containerize for disposal.
7. SPECIAL PRECAUTIONS
Precautions to be Taken in Handling or Storing: Keep container closed
and protected from heat and light.
Other Precautions: Do not breathe dust or get in eyes or on skin or
clothing.
8. SPECIAL PROTECTION INFORMATION
Respiratory Protection(Specify Type): NIOSH/MSHA-approved respirator
Ventilation:
Local Exhaust: Preferable
Mechanical(General): Required
Special: No
Other: No
Protective Gloves:
Rubber, neoprene, PVC, or equivalent.
Eye Protection:
Splash proof chemical safety goggles should be worn at all times.
Other Protective Clothing or Equipment:
Lab apron, eye wash, and safety shower.
9. PHYSICAL DATA
Molecular Weight: 334
Melting Point: 243 C - Decomposes
Boiling Point: N/A
Vapor Pressure: N/A
Vapor Density(Air=1): N/A
Specific Gravity(H2O=1): N/A
Percent Volatile by Volume: N/A
Evaporation Rate(H2O=1): N/A
Solubility in Water: Soluble
Appearance and Odor: Off-white powder
10. REACTIVITY DATA
Stability: Stable
Conditions to Avoid: Light
Incompatibility(Materials to Avoid): Strong oxidizing agents
Hazardous Decomposition Products: NOx, COx, HCl
Hazardous Polymerization: Will not occur
11. TOXICITY DATA
Toxicity Data: LD 50 Mouse Intravenous: 5.6 mg/kg
Effects of Overexposure: No data available
Acute: See section 3
Chronic: Material is not listed (IARC, NTP, OSHA) as cancer
causing agent.
Conditions Aggravated by Overexposure: N/A
Target Organs: N/A
Primary Route(s) of Entry: Inhalation, ingestion, eyes, skin
12. ECOLOGICAL DATA
Page 2 of 3
MATERIAL SAFETY DATA SHEET
Revised: 09/12/07
2,3,5-TRIPHENYL TETRAZOLIUM CHLORIDE Replaces: 07/16/04
CAROLINA BIOLOGICAL Printed: 05/20/08
EPA Waste Numbers: N/A
13. DISPOSAL INFORMATION
Waste Disposal Methods: Dispose in accordance with all applicable
Federal, State and Local regulations.
Always contact a permitted waste disposer (TSD) to assure compliance.
14. TRANSPORT INFORMATION
N/A
15. REGULATORY INFORMATION
EPA TSCA Status: On TSCA Inventory
Hazard Category for SARA Section 311/312 Reporting: Acute
SARA Sec. 313
SARA EHS Chemicals CERCLA RCRA
Product or Sec. 302 Name Chemical Sec. 103 Sec.
Components TPQ List Category RQ lbs. 261.33
________________________________________________________________________
2,3,5-Triphenyl No No No No No
Tetrazolium Chloride
16. ADDITIONAL INFORMATION
The information provided in this Material Safety Data Sheet represents a
compilation of data drawn directly from various sources available to us.
Carolina Biological Supply makes no representation or guarantee as to
the suitability of this information to a particular application of the
substance covered in the Material Safety Data Sheet. Any employer must
carefully assess the applicability of any information contained herein
in regards to the particular use to which the employer puts the
material.
Glossary
ACGIH.......American Conference of Governmental Industrial Hygienists
CAS Number..Chemical Abstracts Service Number
CERCLA......Comprehensive Environmental Response, Compensation, and
Liability Act
DOT.........U.S. Department of Transportation
IARC........International Agency of Research on Cancer
mppcf......million particles per cubic foot
N/A.........Not Available
NTP.........National Toxicology Program
OSHA........Occupational Safety and Health Administration
PEL.........Permissible Exposure Limit
ppm.........parts per million
RCRA........Resource Conservation and Recovery Act
SARA........Superfund Amendments and Reauthorization Act
TLV.........Threshold Limit Value
TSCA........Toxic Substances Control Act
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