NEW METHYLENE BLUE N ZINC CHLORIDE DOUBLE 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:  Basic Blue 24, Methylene Blue N CAS No.: 6586-05-6 E-C No.:229-516-6  Weight:  416.05g/mol 	Formula: C18H22ClN3S.0.5ZnCl2

2. HAZARDS: GHS Class:	Not a hazardous substance or mixture. 2.3: Other Hazards: none

3. COMPOSITION / INFO ON INGREDIENTS: 
Chemical 								 CAS No.	 	Percent		
3,7-Bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride  w/ zinc chloride	                   6586-05-6             100%                  

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

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus if necessary. Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. Haz: Carbon, Nitrogen, Sulphur, & zinc oxides, Hydrogen chloride gas. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills: 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. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Storage: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatibles. 

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. 
Chemical                      			   	    ACGIH                         NIOSH            OSHA - Final / Vacated PELs 
New Methylene Blue N Zinc  Chloride Double Salt	    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 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 minimize contact with skin. 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: Dark green – dark brown powder  Melting Pt: >240˚C (>464˚F)

10. STABILITY & REACTIVITY: Stability: Stable under normal temp/pressures. Avoid: Incompatibles, dust generation, excess heat, strong oxidants. Incompatibilities: Oxidizing agents, strong bases. Haz Decomp: see section 5

11. TOXIC INFO: RTECS#: Unlisted. LD50/LC50: N/A Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. Other: Respiratory irritation

12. ECOLOGICAL INFO:  No info.  

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: Not regulated.

15. REGULATORY INFO: SARA 311/312: None
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals/products have a RQ or TPQ. 
Section 313 This material contains 3,7-Bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride  CAS#6586-05-6which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Parts 373. 
STATE CAS# 6586-05-6   is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:	3,7-Bis(ethylamino)-2,8-dimethylphenothiazin-5-ium chloride  CAS#6586-05-6 Rev.7/1/2007
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: N/A.  WGK (Water Danger/Protection) CAS# 6586-05-6: No information available. 
Canada - DSL/NDSL None of the chemicals in this product are listed on the DSL or NDSL list. 
Canada - WHMIS: N/A Canadian Ingredient Disclosure is not listed on the Canadian 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.