METHYLENE GREEN, 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: C.I. 52020; 3,7-Bis(Dimethylamino)-4-Nitro-Phenothiazin-5-lum, Chloride
CAS No: 224967-52-6   Weight:  364.84  Formula: C16H17CIN4O2S. 1/2ZnCl2

2. HAZARDS: GHS Class:  Not a haz. 
HMIS Class;  Health hazard: 0,  Flammability: 0,  Physical hazards: 0
NFPA Rating: Health hazard: 0, Fire: 0, Reactivity Hazard: 0
2.3: Other Hazards: none

3. COMPOSITION, INFO:
Chemical					CAS No.		Percent			Hazardous
Methylene Green, Zinc Chloride Double Salt		224967-52-6	90-100			No

4. FIRST AID: Inhalation: Remove to fresh air.  If not breathing, give artificial respiration.  If breathing is difficult, give oxygen.  Ingestion: wash out mouth with water, provided person is conscious. Call a physician immediately. Skin: Remove any contaminated clothing.  Wash skin with soap or mild detergent and water.  Get medical attention if irritation develops or persists. Eye: Wash eyes with water. Assure adequate flushing by separating the eyelids with fingers. Get medical attention immediately.

5. FIRE FIGHTING: Info: Not considered to be a fire or explosion hazard under normal conditions. Wear self-contained breathing apparatus and PPE to prevent contact with skin and eyes. Hazards: Carbon oxides, Nitrogen oxides, Sulfur oxides, HCl gas. Extinguishing: Water Spray, Carbon Dioxide, Dry Chemical Powder or alcohol-resistant foam.

6. ACCIDENTAL REALEASE: Info: Wear proper PPE as required. Spills: Vacuum or sweep up material and place into a suitable disposal container. Hold for waste Disposal.  Avoid raising dust.  Ventilate area and wash spill site after material pickup is complete.  

7. HANDLING & STORAGE: Handling: Avoid breathing dust, vapor, mist, or gas.  Avoid contact with skin and eyes.
Storage: Store in a tightly closed container.  Protect container from physical damage.  Store in a cool, dry ventilated area from sources of heat or ignition.

8. EXPOSURE:  Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation.
Chemical				ACGIH		NIOSH		OSHA-Final/Vacated PELs
Methylene Green, Zinc Chloride Double Salt	None listed	None listed	None listed

PPE: Eyes: Wear chemical safety goggles Skin: Rubber gloves, and Rubber boots. Clothing: Wear appropriate protective 
clothing. Wear a chemical apron. Respirators: Wear NIOSH/MSHA-Approved respirators.

9. PHYSICAL & CHEM: Appearance: Black State: Powder Odor: None Solubility: Soluble in water.
Boiling Pt: No data Melting Pt: No data Vapor Density & Pressure: No data Evaporation Rate: No data

10. STABILITY & REACTIVITY: Stability: Stable. Haz Decomp: see sec 5 Incompatibilities: Strong Oxidizing Agents.

11. TOXICOLOGICAL INFO: RTECS#: SP5775000  LD50/LC50: N/A
Carcinogenicity: Not listed by ACGIH, IARC, NTP, or CA Prop 65.

12.	ECOLOGICAL INFO: May cause long-term adverse effects in the aquatic environment.

13. DISPOSAL CONSIDERATIONS:  Disposal: Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.  Observe all Federal, State and Local Environmental Regulations.  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:  Not regulated as a hazardous material.

15. REGULATORY INFO: SARA 311/312: None
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 CAS# 224967-52-6 is not present on state lists from CA, PA, MA, MN, FL, or NJ. 
California Prop 65:  No significant risk level:  None of the chemicals in this product are listed. 

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols: XN	WGK (Water Danger/Protection) CAS#224967-52-6:  No information available. 
Canada - DSL/NDSLCAS# 224967-52-6 is not listed on Canada’s DSL List. 
Canada – WHMIS:  Not available.  CAS# 224967-52-6 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.