METHYL GREEN C.I. 42585
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:  Ethyl green CAS No.: 14855-76-6    E-C No.:230-415-4 Weight:  653.24g/mol 
Formula: (C27H35Cl2N3)n*xZnCl2

2. HAZARDS:  GHS Class:	Skin irritation (Category 2)	Eye irritation (Category 2A)		
			Specific target organ toxicity - single exposure (Category 3)
 Pictogram: 				
Signal Word:         WARNING
HAZARD STATEMENT: H319: Causes serious eye irritation.   H315: Causes skin irritation   
		           H335: May cause respiratory irritation	
PRECAUTIONARY STATEMENT: P261: Avoid breathing dust/spray/ fume/gas/ mist/ vapors. P264: Wash skin thoroughly after handling.	P271: Use only outdoors or in well-ventilated area. P405: Store locked up.	P280: Wear protective gloves/eye & face protection. P330: Rinse mouth. P302 + P352: If on skin gently wash with plenty of soap & water. P304 + P340 + P312: If inhaled: remove to fresh air and keep at rest in a position comfortable for breathing. 
Call Poison Center or doctor/physician if you feel unwell. P305 + P351 + P338: If in Eyes: Rinse cautiously with water 
for several minutes. Remove contact lenses, if present & easy to do so. Continue rinsing.  P308 +P313: If exposed or concerned: contact doctor/physician. P322: Specific measures (see supplemental first aid instructions)
P332 + P313: If skin irritation occurs: consult physician.   P337 + P313: If eye irritation occurs: consult physician.
P362: Take off contaminated clothing and wash before reuse. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P501: Dispose of contents/container to an approved waste disposal plant.

HMIS Class: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, Fire     0, Reactivity hazard   0
2.3: Other Hazards: none

3. COMPOSITION / INFO ON INGREDIENTS: 
Chemical 			 CAS No.	 	Percent		
Methyl Green, zinc chloride		14855-76-6 	~90%                  

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. 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. Runoff from fire control/dilution water may cause pollution. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Haz:  Carbon, zinc, & nitrogen oxides, hydrogen chloride gas, hydrogen bromide gas. Flash Pt: 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: Clean up spills immediately, observing precautions in the Protective Equipment Section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. 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. Storage: 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 
Methyl Green, Zinc Chloride 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 prevent skin exposure. 

Respirators: A respiratory protection program that meets OSHA’s 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator’s use. 

9. PHYSICAL & CHEM: Appearance: Red-Brown Powder. Melting Pt: >300˚C (>572˚F). 

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

11. TOXICOLOGICAL INFO: RTECS#: unlisted. LD50/LC50: N/A.
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

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: Acute Health Hazard.
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/products have a RQ or TPQ. 
Section 313  This material contains Methyl Green, zinc chloride salt (listed as Zinc), 100%, which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373. 
4[[4-(dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-N,N-dimehtylanilinium bromide chloride  CAS#14855-76-6	Rev. 7/1/07
STATE CAS#14855-76-6 is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know:4[[4-(dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-N,N-dimehtylanilinium bromide chloride  CAS#14855-76-6 Rev. 7/1/07
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# 14855-76-6: No information available. 
Canada - DSL/NDSL None of the chemicals in this product are listed on the DSL or NDSL list. 
Canada - WHMIS This product has a WHMIS classification of D2B. 
Canadian Ingredient Disclosure List is not listed on the Canadian Ingredient Disclosure List. 
Exposure Limits (listed as zinc): OEL-ARAB Republic of Egypt: TWA 0.1 mg.

16. ADDITIONAL INFO: DUDLEY CORPORATION provides the information contained 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 product. 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 express or implied, including without limitation any 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.