NILE BLUE A 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 ID: Syn: C.I. 51180; Nile Blue Sulfate.  CAS No.: 3625-57-8.  Weight: 732.84g/mol Formula:C40H40N6O6S. 
EC No.: 222-832-5

2. HAZARDS ID: GHS Class:  Not a hazardous substance or mixture.

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 ON INGREDIENTS: 
Chemical 					CAS No.		Percent		Hazardous
Nile Blue Sulfate				3625-57-8       	100%                            No.

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

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH & full PPE. Irritating & highly toxic gases may be generated by thermal decomp/combustion. Hazards: Carbon, nitrogen & Sulphur oxides. Extinguishing: Use water spray, dry chem carbon dioxide, or alcohol-resistant foam. Flash Pt: N/A. 
Auto-ignition Temp: Not applicable. Explosion Limits: Not available. 

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section8. 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. 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 cool, dry, well-ventilated area away from incompatibles. Keep containers tightly closed. 

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		
Nile blue A		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 clothing 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 En 149 approved respirator when necessary. 

9. PHYSICAL & CHEM: Appearance: Green, blue, steel gray or black powder Melting Pt: >300°C 

10. STABILITY & REACTIVITY:  Stability: Stable at room temp in closed containers under normal storage & handling.  
Avoid: Incompatibles, dust generations, strong oxidants. Incompatibilities: Oxidizing agents. Haz Decomp: see sect 5

11. TOXIC INFO: LD50/LC50: N/A. RTECS: DJ1931000 Carcinogenicity: Not by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12.ECOLOGICAL INFO: No data.

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: No info. 

15. REGULATORY INFO: SARA 311/312: None.
Section 302 (RQ) & (TPQ) None of the chemicals in these products have a RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. 
STATE CAS# 3625-57-8  is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: Bis[5-amino-9-(diethylamino)benzo[a]phenoxazin-7-ium  CAS#3625-57-8
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# 3625-57-8: No information available. 
Canada - DSL/NDSL CAS# 3625-57-8 is listed on Canada’s DSL List. Canada - WHMIS: Not available.  

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.