WRIGHTS STAIN

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:  Eosin Methylene blue according to Wright 	CAS No.: 68988-92-1

2. HAZARDS ID: GHS Class:  Acute aquatic toxicity (Cat 3) Acute toxicity, Oral (Cat 4) Eye irritation (Cat 2A) Skin sensitization (Cat 1)
Pictogram: 					
Signal Word:         WARNING
HAZARD STATEMENT: H302: Harmful if swallowed.    H319: Causes serious eye irritation.       H402: Harmful to aquatic life  H317: May cause an allergic skin reaction. 
PRECAUTIONARY STATEMENT: P264: Wash skin thoroughly after handling P270: Do not drink, eat, smoke, when using this product. 	P273: Avoid release into the environment.   P280: Wear eye protection/face protection.   P301 + P312 + P330: If Swallowed: Call Poison Center or doctor/physician if you feel unwell. Rinse mouth. P305 + P351 + P338: If in Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present & easy to do so. Continue rinsing. 
P337 + P313: If eye irritation persists: get medical attention. P501: Dispose of contents/container to an approved waste disposal plant.  P280: Wear protective gloves/eye & face protection. P261: Avoid breathing dust / fume / gas / mist / vapors / spray. P272: Contaminated work clothing must not be allowed out of the workplace. P302 + P352: IF ON Skin: Wash with plenty of soap and water. P333 + P313: If skin irritation or rash occurs: Get medical attention. 

HMIS Classification: Health hazard  2, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  2, 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 / INFO ON INGREDIENTS: 
Chemical 			 					CAS No.	 	Percent		
Methylthioninium chloride	                					61-73-4              	60-100%                
Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate  	17372-87-1	30-60%

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. Notes to Physician: Treat symptomatically and 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 decomposition or combustion.   Hazards: Carbon, nitrogen, Sulfur, &sodium oxides – hydrogen chloride & bromide gases. Extinguishing: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam. 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: 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 adequate ventilation. Keep container tightly closed. Do not get in skin or in eyes. Avoid ingestion and inhalation. Wash clothing before reuse. Storage: Keep away from heat and flame. Store in a cool, dry place. Keep containers tightly closed. 

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 PEL’s
Wright’s Stain (Certified) 	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. 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 brown-green powder. 

10. STABILITY & REACTIVITY:  Stability: Stable under ordinary conditions of use and storage.  Avoid: Incompatibles, ignition sources, excess heat, strong oxidants. Incompatibilities: Strong oxidizing agents.  Haz Decomp: see section 5

11. TOXIC INFO: RTECS#: unlisted. LD50/LC50: N/A. Carcinogenicity: Not in ACGIH, NIOSH, NTP, or OSHA.  IARC Group 3- not classified carcinogenicity to humans

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 REGULATIONS: Not regulated. 

15. REGULATORY INFO: SARA 311/312: Acute & chronic Health Hazard
Section 302 None of the chemicals in this product have a TPQ/RQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 68988-92-1 is not present on state lists from CA, MN, MA, FL. 
Pa/NJ Right to Know:  Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate  CAS#17372-87-1
Methylthioninium chloride  CAS#61-73-4
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
Hazardous Symbols:   Xn WGK (Water Danger/Protection) CAS# 68988-92-1:  No information found.
Canada – DSL/NDSLCAS#68988-92-1: is listed on Canada’s DSL List. is not listed on Canada’s NDSL List.
Canada –WHMIS:   No information available.
CAS# 68988-92-1 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.