NEUTRAL RED ACS 

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 Red 5, C.I. 50040, 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride CAS No.: 553-24-2. Weight: 288.77. Formula: C15H17CIN4. 

2. HAZARDS: GHS Class: Not a hazardous substance.

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
Neutral Red                                             		553-24-2                    100%                      No

4. FIRST AID:  Eyes: Flush eyes with water. Skin: Flush skin with plenty of soap and water Ingestion: If victim is conscious and alert, give 2-4 cups of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.  Physician: Treat symptomatically & 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 oxides, hydrogen chloride gas. Extinguishing: Use water spray, dry chem, 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/Leaks: Clean up spills immediately, observing precautions in the PPE 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. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. 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 safety shower. Use adequate ventilation to keep airborne concentrations low.
Chemical                          ACGIH            NIOSH                      OSHA – Final/Vacated PELs  
Neutral red                                 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. 0.11 mm 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 respirators when necessary. 

9. PHYSICAL & CHEM: Appearance: Dark green-black powder Melting Pt: 290 ° C 

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

11. TOXICOLOGICAL INFO: RTECS#:: SG1400000 LD50/LC50: Intravenous – rat-112mg/kg Intraperitoneal mouse 432 mg/kg Carcinogenicity: CAS# 553-24-2: 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:  None
Section 302 (RQ) & Section 302 (TPQ) None of the chemicals in this material/product have an RQ or TPQ. 
Section 313 No chemicals are reportable under Section 313. STATE is not present on state lists from CA, MN, MA, FL. 
PA & NJ Right to Know: N8,N8,3-Trimethyl-2,8-phenazinediamine monohydrochloride  CAS#553-24-2
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# 553-24-2: 1
Canada - DSL/NDSL CAS# 553-24-2 is listed on Canada’s DSL List. Canada - WHMIS: Not available. 
Canadian Ingredient Disclosure List CAS# 553-24-2 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.