TETRAZOLIUM BLUE CHLORIDE

Safety Data Sheet
Emergency Telephone Number: CHEMTREC 1-800-424-9300       For Information call: DUDLEY 732-886-3100       
	DUDLEY CORPORATION
           		125 Kenyon Drive
       				         	 	Lakewood, New Jersey 08701
Effective Date: January 1, 2025	
1. PRODUCT: Syn:  Tetrazolium blue chloride; Dimethoxyneotetrazolium chloride; 3,3-(3,3-Dimethoxy-4,4- biphenylene)bis (2,5-diphenyl-2,5-diphenyl-2H-tetrazolium chloride; 3,3-Dianisole-4, 4-bis(3,5-diphenyltetrazolium chloride). 
CAS No.: 1871-22-3 E-C No.:217-488-8	Weight:  727.64g/mol 	Formula: C40H32Cl2N8O2

2. HAZARDS: GHS:  Carcinogenicity (Category 1B)
 Pictogram: 							
Signal Word:         DANGER
HAZARD STATEMENT: H350: May cause cancer.
PRECAUTIONARY STATEMENT: P201: Obtain special instructions before use.  P280: Wear PPE. 
P202: Do not handle until all safety precautions have been read and understood. P405: Store locked up.
P308 +P313: If exposed or concerned: contact doctor/physician. P501: Dispose of contents/container to an approved waste disposal plant.

HMIS Class: Health hazard  1, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  1, Fire     0, Reactivity hazard   0

Potential Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
Ingestion: Harmful if swallowed. 		Inhalation: Harmful by inhalation. 
2.3: Other Hazards: none

3.COMPOSITION/INFO ON INGREDIENTS                                        
 Chemical 			CAS No.		Percent	 	 Hazardous
Tetrazolium Blue Chloride		1871-22-3       	 90%                                 No 

4. FIRST AID: Eyes: Rinse immediately as precaution. Skin: Rinse with plenty of soap & water. Ingestion: Do not induce vomiting w/o medical advice. Rinse with water. Consult physician. Inhalation: Move to fresh air.  Physician: Treat symptomatically & supportively. 

5. FIRE FIGHTING:  Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH full PPE. Irritating & toxic gases may be generated by thermal decomp/combustion. Hazards: Carbon, & nitrogen oxides, 
hydrogen chloride gas. Extinguishing: use water, alcohol-resistant foam, dry chemical, CO2.  Flash Pt: Non-Flammable. 
Auto-ignition Temp: N/A  . Explosion Limits: N/A  

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. 
Spills/Leaks:  Provide ventilation. Sweep up and containerize for reclamation or disposal. Avoid raising dust.  

7. HANDLING & STORAGE:  Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.  Storage: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. 

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.  Limits: Contains no substances with occupational exposure limit values.

PPE: Eyes:  Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA’s eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves and clean body-covering clothing. 0.11mm thick nitrile. Clothing: Wear appropriate protective clothing to prevent skin exposure. 
Respirators:  Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149.   Use a NIOSH 
or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. 

9. PHYSICAL & CHEM:  Appearance: Yellow microcrystalline powder.  Melting Pt: 255° C (491°F) 

10. STABILITY & REACTIVITY:  Stability: Stable under ordinary conditions. Hygroscopic.  Avoid: High temps, incompatibles, light excess heat, strong oxidants. Incompatibilities: Strong oxidizers. Haz Decomp: see section 5

11. TOXICOLOGICAL INFO: RTECS#: N/A    LD50/LC50: N/A 
Chemical 	                            ACGIH                      IARC                       NTP                         OSHA   
 Tetrazolium Blue Chloride         None listed	      Group-1            Known Carginogen	  None listed

12. ECOLOGICAL INFO: N/A
  
13. DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification. RCRA P-Series: None listed. RCRA U-Series: None listed. 

14. TRANSPORT REGULATIONS:  The goods are not regulated for transport.

15. REGULATORY INFO: SARA311/312: Chronic Health Hazard
SARA Section 302 Extremely Haz None of the chemicals in this product have a TPQ. 
Section 313 No chemicals are reportable under Section 313. State is not present on state lists from CA, MN, MA, FL. 
PA/NJ Right to Know: 3,3-(3,3-Dimethoxy-4,4- biphenylene)bis (2,5-diphenyl-2,5-diphenyl-2H-tetrazolium chloride CAS#1871-22-3 Rev.7/17/09
California Prop.65: WARNING! This product contains a chemical known to CA to cause cancer: 3,3-(3,3-Dimethoxy-4,4- biphenylene)bis (2,5-diphenyl-2,5-diphenyl-2H-tetrazolium chloride CAS#1871-22-3 Rev.7/17/09

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives
Hazardous Symbols: Not available.  WGK (Water Danger/Protection) CAS# 1871-22-3
Canada – DSL/NDSL is not listed on Canada’s DSL List
Canada – WHMIS – Not available.  not listed on Canada’s Ingredient Disclosure List.

16. DISCLAIMER INFO: DUDLEY CORPORATION provides the information 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.  Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. DUDLEY CORPORATION makes no representations or warranties, either expressed or implied, including without limitation and warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or to the product to which the information refers. Accordingly, DUDLEY CORPORATION will not be responsible for damages resulting from the use of or reliance upon this information.