RESAZURIN SODIUM SALT

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:  7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt 	
CAS No.: 62758-13-8 E-C No.:263-718-5	Weight:  251.17g/mol 	Formula: C12H6NNaO4

2. HAZARDS: GHS:  Skin irritation (Cat 2), Eye irritation (Cat 2A) Specific target organ toxicity – single exposure (Cat 3) Respiratory system
Pictogram: 				                    
Signal Word:   WARNING
Hazard Statement(s): H315: Causes skin irritation.  H319: Causes serious eye irritation. H335: May cause respiratory irritation. 
Precautionary Statement(s): P261: Avoid breathing dust/fume/gas/mist/vapor/spray. P264: Wash skin thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear PPE. P302+P352: If on skin: Wash with plenty of soap and water. P304+P340+P312: If Inhaled: Remove person to fresh air and keep comfortable for breathing. Call Poison Center/doctor. P305+P351+P338: If in Eyes Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P332+P313: If skin irritation occurs: Get medical advice / attention. P337+P313: If eye irritation persists: Get medical attention. P362: Take off contaminated clothing and wash before reuse. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: dispose of contents/container to an approved waste disposal plant. 

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

Potential Health: 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:
Chemical Name 		CAS No.			Percent			
Resazurin Sodium Salt	62758-13-8 	 	 ~75 %		     	

4. FIRST AID: Eyes: Flush eyes with plenty of water Skin: Wash skin with soap and water. Ingestion: Wash out mouth with water, provided person is conscious. Inhalation: Remove from exposure and move to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Physician: Treat symptomatically and supportively.

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, & full PPE. Irritating and highly toxic gases may be generated by thermal decomposition or combustion.  Hazards: Carbon, nitrogen, & sodium oxides      Extinguishing: use water spray, dry chem powder, or alcohol-resistant foam. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the PPE section. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Avoid prolonged or repeated exposure.
Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 

8. EXPOSURE, PPE: Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
OSHA Vacated PELs:  Resazurin sodium salt: No OSHA Vacated PELs are listed for this chemical. 

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 protective gloves to prevent skin exposure.  0.11mm thick nitrile. Clothing: Wear appropriate protective clothing to prevent skin exposure. 
Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. 

9. PHYSICAL & CHEM: Appearance: Dark green to black powder

10. STABILITY & REACTIVITY:  Stability: Stable under normal temp/pressures.   Incompatibilities: Strong oxidizing agents.      Hazardous Decomp Products: see section 5

11. TOXICOLOGICAL INFO: RTECS:  unlisted.	LD50/LC50: Not available.   
Carcinogenicity: CAS# 62758-13-8: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: No information available.

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 INFO: No information available. 

15. REGULATORY INFO: SARA311/312; None
Section 302 None of the chemicals in this product have a TPQ/RQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 62758-13-8 is not present on state lists from CA, MN, MA, FL. 
PA Right to Know:	7-Sodiooxy-3H-phenoxazin-3-one 10-oxide CAS#62758-13-8
NJ Right to Know:	7-Sodiooxy-3H-phenoxazin-3-one 10-oxide CAS#62758-13-8
California Prop.65 components: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols: Xi (Irritant)   WGK (Water Danger/Protection) CAS# 62758-13-8: No information available. 
Canada - DSL/NDSL CAS# 62758-13-8 is listed on Canada’s DSL List.
Canada – WHMIS This product has a WHMIS classification of D2B. 
CAS# 62758-13-8 is 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.