THIONIN ACETATE CERTIFIED

 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: 3,7-Diaminophenothiazin-5-ium Chloride, Katalysin; Thionine. CAS No.:78338-22-4	
Weight: 263.6031   Formula: C14H13N3O2S   EC-No: 78338-22-4

2. HAZARDS ID: GHS: Not a hazardous substance.

HMIS Classification: Health hazard  0, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, 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, INGREDIENTS:
Chemical Name		CAS No			Percent			Hazardous
Thionin			78338-22-4		 ~99%			     No

4. FIRST AID: Eyes: Rinse immediately with plenty of water and seek medical advice. Skin: Rinse with plenty of soap & water and seek medical advice. Ingestion: Do not induce vomiting without medical advice. Rinse with water. Consult physician. Inhalation: Move to fresh air.  Consult a physician. Physician: Treat symptomatically & supportively. 

5. FIREFIGHTING: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH  & full PPE. Dust at sufficient concentrations can form explosive mixtures with air. Combustion generates toxic fumes. Irritating & toxic gases may be generated by thermal decomp/combustion. Haz: Carbon, nitrogen & Sulfur oxides. Extinguishing: Use water spray, dry chem, carbon dioxide, or alcohol-resistant foam. Flash Point: N/A. Auto-ignition Temp: N/A. 
Explosion Limits: N/A.

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 Protective Equipment section. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.

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. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-ventilated area away from incompatible substances.

8. EXPOSURE: Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
Chemical 			ACGIH		NIOSH		OSHA Final/Vacated PELs
Thionin 			None listed	None listed	None listed

PPE: Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA’s eye and face protection regulations in 29CFR 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 approved respirator when necessary.

9. PHYSICAL & CHEM: Appearance: Black-green powder 

10 STABILITY & REACTIVITY: Stability: Stable under normal temps & pressures. Avoid: High temperatures, incompatibles, dust generation. Incompatibilities: Oxidizing agents.  Haz Decomp: see section 5

11. TOXIC:  RTECS#: No data  LD50/LC50: N/A Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.

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 INFO: N/A

15. REGULATORY INFO: SARA311/312:  None
Section 302 (RQ) and (TPQ): None of the chemicals in this product have an RQ or 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: Thionin acetate  CAS#78338-22-4
California Prop.65: 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
Hazard Symbols: Not available. WGK (Water Danger/Protection): CAS# 78338-22-4: No information available.
Canada DSL/NDSL List: CAS# 78338-22-4 is listed on Canada’s DSL List.
Canada WHMIS: This product has a WHMIS classification of D2B.

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.